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A quadrillion is equal to 1015 in America, or 1024 in France and Germany.[1]
1 quadrillion dollars in 5 piles of 100 dollar bills in comparison to the Empire State Building.
In the long scale, 1015 is called billiard (not to be confused with a game), which is commonly used in France and Germany.
Written out in decimal form quadrillion (in the short scale) is:
1000000000000000
In long scale, it is:
1000000000000000000000000
Alternative names
Small fry gallons of water, compared with pipsqueak, little squeaker, and manhattan.[2]
This number is also called pentillion in Russ Rowlett's Greek-based naming system.[3]
Aarex Tiaokhiao gave the name petillion[4] and Sbiis Saibian gave the names small fry, guppycrumb, and minnowspeck,[2] referring to the short scale value of this number.
Wikia user NumLynx gave the name quintisand for this number's short scale value.[5]
Aarex Tiaokhiao also calls this number (in short scale) qndoocol or 15-noogol.[6]
BlankEntity calls this number Jookol.[7]
This number (in short scale) is known as a padma in the Indian counting system.[8]
Approximations
For short scale:
| Notation | Lower bound | Upper bound |
|---|---|---|
| Scientific notation | \(1\times10^{15}\) | |
| Arrow notation | \(10\uparrow15\) | |
| Steinhaus-Moser Notation | 13[3] | 14[3] |
| Copy notation | 9[15] | 10[8] |
| Taro's multivariable Ackermann function | A(3,46) | A(3,47) |
| Pound-Star Notation | #*(2,2,3)*5 | #*(2,2,1)*6 |
| BEAF | {10,15} | |
| Bashicu matrix system | (0)(0)[5623] | (0)(0)[5624] |
| Hyperfactorial array notation | 17! | 18! |
| Fast-growing hierarchy | \(f_2(44)\) | \(f_2(45)\) |
| Hardy hierarchy | \(H_{\omega^2}(44)\) | \(H_{\omega^2}(45)\) |
| Slow-growing hierarchy | \(g_{\omega^{\omega+5}}(10)\) | |
For long scale:
| Notation | Lower bound | Upper bound |
|---|---|---|
| Scientific notation | \(1\times10^{24}\) | |
| Arrow notation | \(10\uparrow24\) | |
| Chained arrow notation | \(10\rightarrow24\) | |
| Steinhaus-Moser Notation | 18[3] | 19[3] |
| Copy notation | 9[24] | 1[25] |
| Taro's multivariable Ackermann function | A(3,76) | A(3,77) |
| Pound-Star Notation | #*(1,2,3,3)*5 | #*(2,2,3,3)*5 |
| BEAF | {10,24} | |
| Hyper-E notation | E24 | |
| Bashicu matrix system | (0)(0)(0)[1000] | |
| Hyperfactorial array notation | 24! | 25! |
| Bird's array notation | {10,24} | |
| Fast-growing hierarchy | \(f_2(73)\) | \(f_2(74)\) |
| Hardy hierarchy | \(H_{\omega^2}(73)\) | \(H_{\omega^2}(74)\) |
| Slow-growing hierarchy | \(g_{\omega^{\omega2+4}}(10)\) | |
Examples
- The Niagara Falls use up a quadrillion gallons in a little over 210 years.
- The Great Lakes have a volume of about 6 quadrillion gallons.
- The universe is about 473 quadrillion seconds old.
- It is about 586 quadrillion miles from one end of the Milky Way to the other.[9]
- The SI prefix peta- multiplies by one quadrillion.
- 1,000,000,000,000,000 to 10,000,000,000,000,000 (1015 to 1016) – The estimated total number of ants on Earth alive at any one time (their biomass is approximately equal to the total biomass of the human race).
- 9,007,199,254,740,992 (253) – number until which all integer values can exactly be represented in IEEE double precision floating-point format.
- 48,988,659,276,962,496 is the fifth taxicab number.
- In Isaac Asimov's Galactic Empire, in what we call 22,500 CE there are 25,000,000 different inhabited planets in the Galactic Empire, all inhabited by humans in Asimov's "human galaxy" scenario, each with an average population of 2,000,000,000, thus yielding a total Galactic Empire population of approximately 50,000,000,000,000,000.
- There are 7.205759×1016 different possible keys in the obsolete 56-bit DES symmetric cipher.
- Very few villains have killed quadrillions of people.
As a banknote denomination
Only the Hungarian pengő had banknotes with this number in the denomination.
Gallery
10 quadrillion dollars in 25 piles of 100 dollar bills in comparison to the Empire State Building
100 quadrillion dollars in 25 piles of 100 dollar bills in comparison to the Empire State Building
Sources
- ↑ Quadrillion at Wolfram MathWorld
- ↑ 2.0 2.1 Hyper-E Notation, Large Numbers
- ↑ Names for Large Numbers[dead link]
- ↑ Full list of my illion, Aarex Large Numbers[dead link]
- ↑ -sand numbers. Retrieved 2021-10-28.
- ↑ Part 1 (LAN) - Aarex Googology[dead link]
- ↑ BlankEntity's Googology Site
- ↑ [1]
- ↑ Saibian, Sbiis. 2.1.4 - Everyday Large Numbers for a Modern World. Retrieved 2013-06-11.
See also
Main article: -illion
1–9: million · billion · trillion · quadr · quint · sext · sept · oct · non10–19: decillion · undec · duodec · tredec · quattuordec · quindec · sexdec · septendec · octodec · novemdec
20–29: vigintillion · unvigint · duovigint · tresvigint · quattuorvigint · quinvigint · sesvigint · septemvigint · octovigint · novemvigint
30–39: trigintillion (un- · duo- · tres- · quattuor- · quin- · ses- · septen- · octo- · noven-)
40–49: quadragintillion (un- · duo- · tre- · quattuor- · quin- · sex- · septen- · octo- · novem-)
50–59: quinquagintillion (un- · duo- · tre- · quattuor- · quin- · sex- · septen- · octo- · novem-)
60–69: sexagintillion (un- · duo- · tre- · quattuor- · quin- · sex- · septen- · octo- · novem-)
70–79: septuagintillion (un- · duo- · tre- · quattuor- · quin- · sex- · septen- · octo- · novem-)
80–89: octogintillion (un- · duo- · tre- · quattuor- · quin- · sex- · septen- · octo- · novem-)
90–99: nonagintillion (un- · duo- · tre- · quattuor- · quin- · sex- · septen- · octo- · novem-)
100–900: centillion · ducent · trecent · quadringent · quingent · sescent · septuagintisescent · septingent · octingent · nongent
1,000–1024: millillion · dumill · dumillinonagintanongent · trimill · trimilliduotrigintatrecent · trimillisexoctogintaoctingent · quadrimill · quadrimilliquattuordecicent · quinmill · sexmill · septimill · octimill · nonimill · myr · decimilliquinsexagintasescent · dumyr · unquadragintamilliunquinquagintacent · centimill · micr · nan · pic · femt · att · zept · yoct
