The short answer a sextillion has 21 zeros in the u.s 10^21 what is a sextillion Million (10 6) billion (10 9. A sextillion is a 1 followed by 21 zeros, or 10^21 Learn the names and values of large numbers with 6 or more zeros, such as zetta, yotta, and googol. Find out how to write it, its name in different languages, and a list of large numbers.
Convert any big number to a word representation in us english A sextillion is the number 1 followed by 21 zeros, according to the chart. In the short scale system, used most frequently in north america, a sextillion is equal to 1,000,000,000,000,000,000,000 (one followed by 21 zeroes, or 1021).
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