What number has 17 zeros?




What number has 17 zeros? To be more specific, we assume you are asking what is 1 followed by exactly 17 zeros like this:

100 000 000 000 000 000

The name of a 1 with 17 zeros is displayed below:

One Hundred Quadrillion

To put it in perspective, one hundred quadrillion has one more zero than ten quadrillion and one less zero compared to one quintillion.


Numbers with Zeros
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What number has 18 zeros?
Go here for information about the next number on our list that has many zeros.


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