According to short scale notation, one quintillion is equal to 1018 or 1 followed by 18 zeroes.
According to long scale notation, one quintillion is equal to 1030 or 1 followed by 30 zeroes.
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A Quintillion and one.
One quintillion.
The number 1,000,000,000,000,000,000 can be written as "one quintillion" in words. In the short scale system, which is commonly used in the US and modern English-speaking countries, each group of three zeros is represented by a new term (thousand, million, billion, trillion, quadrillion, quintillion, and so on).
Eighty one quintillion
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