This page contains science-related numbers which are not listed in scientific googologisms.
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- The reciprocal of the fine-structure constant is approximately equal to 137.[citation needed]
- There are 230 space groups.[citation needed]
- 299,792,458 is the speed of light in a vacuum, as measured in meters per second. It is usually denoted as \(c\).[citation needed]
- Its prime factorization is 2 × 7 × 73 × 293,339.
- The radiation emitted by the hyperfine transition in the ground state of caesium-133 makes 9,192,631,770 oscillations per second.[1][citation needed]
- Its prime factorization is 2 × 32 × 5 × 72 × 47 × 44,351.
- The mass–energy equivalence (E=mc2) implies, that a small mass corresponds to a large energy. For instance, a kilogram corresponds to the energy of 89,875,517,873,681,764 joules.
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- The number of possible isotopical isomers of Mirex is (2^22+2^12+2^11+2^11)/4, which amounts to 1,050,624.
- Its prime factorization is 211 × 33 × 19.
- The number of possible isotopical isomers of 2,3,7,8-Tetrachlorodibenzofuran is (2^20*3+2^10*3)/2, which amounts to 1,574,400.[citation needed]
- Its prime factorization is 29 × 3 × 52 × 41.
- On July 10, 1976, the most poisonous chemical substance (namely, 2,3,7,8-Tetrachlorodibenzo-p-dioxin) was the cause of the Seveso disaster.[citation needed] The number of possible isotopical isomers of this substance is (2^20*3^2+2^10*3^2+2^10*3+2^10*3)/4, which amounts to 2,363,136.[citation needed]
- Its prime factorization is 28 × 3 × 17 × 181.
- The number of possible isotopical isomers of DDT is ((2^11+2^7)/2)^2*(2^6+2^4+2^4)/3, which amounts to 37,879,808.[citation needed]
- Its prime factorization is 217 × 172.
- The number of possible isotopical isomers of o,p' -DDT is 2*2^11*(2^11+2^7)/2*(2^6+2^4+2^4)/3, which amounts to 142,606,336.[citation needed]
- Its prime factorization is 223 × 17.
Approximations of these numbers[]
Notation | Approximation |
---|---|
Scientific notation | \(2.99792458*10^8\) (exact) |
Arrow notation | \(7 \uparrow 10<n<26 \uparrow 6\) |
Arrow notation (more precise) | \(669 \uparrow 3<n<670 \uparrow 3\) |
Arrow notation (more precise) | \(17,314 \uparrow 2<n<17,315 \uparrow 2\) |
Hyper-E notation | \(3E8\) |
Factorial | \(12!\) |
Fast-growing hierarchy | \(f_2(27)\) |
Hardy hierarchy | \(H_{\omega^2}(27)\) |
Slow-growing hierarchy | \(g_{\omega^8 3}(10)\) |
Notation Array Notation | \((10\{1,3\}8)\) |