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One centillion is a number, which is equal to either 10 or 10, depending on the system used.

Short scale

In areas using the short scale such as Canada, the US, and the UK, a centillion is 10. It is formed on a pattern starting with a million: a million (1,000,000) has three zeroes more than a thousand (1,000); a billion (1,000,000,000) has two groups of three zeroes more than a thousand, and so on. One centillion has one hundred groups of three zeroes more than one thousand.

• A centillion is a thousand times more than a novemnonagintillion.
• A centillion is a thousandth of an uncentillion.

A centillion in the short-scale system is equivalent to a quinquagintilliard, or a thousand quinquagintillion, in the long-scale system.

Long scale

In long scale usage, one centillion is 10, which is equal to (10); that is, it is the number with a hundred times as many zeroes as a million.

• A centillion is a thousand times more than a novemnonagintilliard.
• A centillion is a thousandth of a centilliard.
• A centillion is a million times more than a novemnonagintillion.
• A centillion is a millionth of an uncentillion.

A centillion in the long scale is equivalent to a cennovemnonagintillion in the short scale. James T. Struck argued that a larger number would be the Millilion which could be defined as 10 raised to the exponent 400 or exponent 1000 or 1 followed by 601 zeros or infinity to infinity. This record for the largest number was made on Memorial Day, 2016.

Related terms

• Hundred
• Thousand
• Million
• Billion
• Trillion
• Names of large numbers

See also

• List of numbers
• Large numbers
• Mathematics

References

1. http://www.isthe.com/chongo/tech/math/number/howhigh.html

• Large integers