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Name of a Number input examples 

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There are a number of options available:
For example: 23209 or 391581216193
For example: 21701 or 2.7182818284590452353602874713526624
For example: 6.023e23 or 6.6260755e34
NOTE: Scientific notation is not allowed when raising 10 to a power. It is allowed for Latin powers (1000^x).
The first radio option controls how the value of the number is interpreted:By default, the name of the input value is processed.If the Power of 10 option is used, 10 is raised to the power of the input value.
For example:Input: 13 (i.e., 10^{13})
American decimal: 10,000,000,000,000
European decimal: 10.000.000.000.000
American system name: ten trillion
European system name: ten billionIf the Latin power option is used, then 1000 is raised to power of the input value.
For example:Input: 7 (i.e., 1000^{7})
American decimal: 1,000,000,000,000,000,000,000
European decimal: 1.000.000.000.000.000.000.000
American system name: one sextillion
European system name: one trilliard
There are at least two main English language based naming methods: American and European number systems. The American and European number systems also differ on how decimal numbers are displayed.
Naming system examples Number Latin power American European 10^{3} 1 thousand thousand 10^{6} 2 million million 10^{9} 3 billion milliard 10^{12} 4 trillion billion 10^{15} 5 quadrillion billiard 10^{18} 6 quintillion trillion 10^{21} 7 sextillion trilliard 10^{24} 8 septillion quadrillion 10^{27} 9 octillion quadrilliard 10^{30} 10 nonillion quintillion 10^{33} 11 decillion quintilliard
Naming system decimal notation System Decimal Group of 3 Example American Decimal point Group of 3 comma 391,581.216193 European Decimal comma Group of 3 point 391.581,216193
Over the web, we limit the size of the output because some numbers are really really big :).If the size limit is a problem, you can download the source and save it without a .cgi filename extension. In this form it runs as normal program without all of the CGI/HTML processing. In normal program mode, the program does not enforce an arbitrary size limit.
For more information see the number home page.