Ronna- is an SI prefix meaning one octillion.[1] The name is derived from Greek and Latin words "ennea" and "novem" meaning nine.[2] It was added to the SI prefix system on November 18, 2022. There have been numerous proposals for Prefix 10^27 before this date, but ronna- is now the official term.[3]
The reciprocal of this prefix is ronto-.
Examples[]
The observable universe is around 93 billion light-years in diameter, which is equivalent to around 0.88 ronnameters.
Sources[]
- ↑ Earth weighs in at six ronnagrams as new prefixes picked for big and small. Retrieved Nov 18, 2022.
- ↑ Richard J. C. Brown. Extending the available range of SI prefixes BIPM working document published at 2019-06-24 according to record.
- ↑ Resolution 3 of the 27th CGPM (2022) Retrieved 2023-09-14.
See also[]
Suffixes: -teen · -ty · -plex · -illion · -yllion · -exian · -chime · -toll · -gong · -bong · -throng · -illiob
Prefixes: gar- · fz- · fuga- · megafuga- · booga- · trooga- · googo- · googolple-
SI prefixes: deca- · hecto- · kilo- · mega- · giga- · tera- · peta- · exa- · zetta- · yotta- · ronna- · quetta-
Non-SI prefixes: 1.001 · 1.01 · 1.1 · 1.5 · 2 · 3 · 666 · 104 · 105 · 107 · 108 · 1010 · 1011 · 1013 · 1014 · 1016 · 1017 · 1019 · 1020 · 1022 · 1023 · 1025 · 1027 · 1028 · 1029 · 1030 · 1031 · 1032 · 1033 · 1034 · 1035 · 1036 · 1039 · 1042 · 1045 · 1048 · 1051 · 1054 · 1057 · 1060 · 1063 · 1066 · 1069 · 1072 · 1075 · 1090 · 10100 · 10120 · 10150 · 10180 · 10210 · 10240 · 10270 · 10300 · 10600 · 10900 · 101200 · 101500 · 101800 · 102100 · 102400 · 102700 · 103000 and higher