quintillion

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quintillion

1. (in Britain, France, and Germany) the number represented as one followed by 30 zeros (1030)
2. (in the US and Canada) the number represented as one followed by 18 zeros (1018)

quintillion

[kwin′til·yən]
(mathematics)
The number 1018.
In British and German usage, the number 1030.

quintillion

10^30 in Europe (this is called a nonillion in the United States and Canada).

10^18 in the United States and Canada (this is called a trillion in Europe).

[Collins dictionary].

quintillion

One thousand times one quadrillion, which is 1, followed by 18 zeros, or 10 to the 18th power. See space/time.