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| How many zeros in a quintillion? Trivia: How many zeros in a quintillion? Here in the United States, a quintillion is one billion billion and can be written as follows: 1,000,000,000,000,000,000 One quintillion has nineteen numbers. One one, followed by eighteen zeros. Note: As stated above, the correct answer for a United States quintillion is eighteen zeros, but you may also want to know that this is not correct for all countries and languages. For example, a quintillion in most European countries has thirty zeros. | Kids Trivia Answers Get more interesting Kids Trivia Answers here. | How many zeros in a trillion? How many zeros in a quadrillion? | | | | |   Copyright | Privacy Policy | Social Media | Disclaimer | Directory | Advertise | Search | |