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Names of Large Numbers

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You won't find zillion here, but you will find Millard, Nonillion, and Virgintillion. What's that? They're really big numbers.

There are two main numbering systems: Short Scale and Long Scale. And this is important because? There is a huge difference between the two in meaning. Those who use the Short Scale would say a billion is 1,000,000,000. People who use the Long Scale would say a billion is 1,000,000,000,000. A billion in one country has 9 zeros while in the other it has 12 zeros. So it does make a big difference which scale is being used.

Australia uses the Short Scale system along with New Zealand, USA, English-speaking Canada, Brazil, Ireland, UK (after 1974), and most other English speaking countries not listed here. Long Scale system is used in Italy, Germany, France, Denmark, Spain, Finland, Poland, Sweden, pre-1975 UK, and others. Some countries use neither scales, including Japan, China, Greece, Korea, and India.

Numberer Number of
Zeros
Short Scale
( USA, modern UK )
Long Scale
( traditional UK )
103 3 thousand thousand
106 6 million million
109 9 billion milliard
1012 12 trillion billion
1015 15 quadrillion
1018 18 quintillion trillion
1021 21 sextillion
1024 24 septillion quadrillion
1027 27 octillion
1030 30 nonillion quintillion
1033 33 decillion
1036 36 undecillion sextillion
1039 39 duodecillion
1042 42 tredecillion septillion
1045 45 quattuordecillion
1048 48 quindecillion octillion
Number Number of
Zeros
Short Scale
( USA, modern UK )
Long Scale
( traditional UK )
1051 51 sexdecillion
1054 54 septendecillion nonillion
1057 57 octodecillion
1060 60 novemdecillion decillion
1063 63 vigintillion
1066 66 undecillion
1072 72 duodecillion
1078 78 tredecillion
1084 84 quattuordecillion
1090 90 quindecillion
1096 96 sexdecillion
10102 102 septendecillion
10108 108 octodecillion
10114 114 novemdecillion
10120 120 vigintillion
10303 303 centillion ---
10600 600 centillion

Really, Really Big Numbers

The names googol and googolplex were invented by Milton Sirotta. The names inspired
the internet company Google and it's corporate headquarters, the Googleplex.

Number Number of Zeros Name
10100 100 googol
10googol a lot more zeros than I can fit here googolplex

 

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