noun, plural quin·til·lions, (as after a numeral) quin·til·lion. a cardinal number represented in the U.S. by 1 followed by 18 zeros, and in Great Britain by 1 followed by 30 zeros. amounting to one quintillion in number.

US : a number equal to 1 followed by 18 zeros — see Table of Numbers also, British : a number equal to 1 followed by 30 zeros — see Table of Numbers.

A million million millions. We could also think of it as a million trillion or a billion billion. The prefix “exa-” means a quintillion.

33
Decillion/Number of zeros

a cardinal number represented in the U.S. by 1 followed by 33 zeros, and in Great Britain by 1 followed by 60 zeros. amounting to one decillion in number.

zillion Add to list Share. A zillion is a huge but nonspecific number. Zillion sounds like an actual number because of its similarity to billion, million, and trillion, and it is modeled on these real numerical values.

In the American system, the Latin prefix refers to the number of groups of three zeros, not including the last group of three, which represents a thousand. Thus in the USA, a billion is 1,000,000,000 (109) and a quadrillion is a mere 1,000,000,000,000,000.

What Exactly Is a Billion?

Numbers Bigger Than a Trillion

US : a number equal to 1 followed by 33 zeros — see Table of Numbers also, British : a number equal to 1 followed by 60 zeros — see Table of Numbers.

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.

One quadrillion has sixteen numbers. One one, followed by fifteen zeros. Note: As stated above, the correct answer for a United States quadrillion is fifteen zeros, but you may also want to know that this is not correct for all countries and languages. For example, a quadrillion in most European countries has twenty-four zeros.

There are two systems in use for naming numbers larger than a million. In the American system, the Latin prefix refers to the number of groups of three zeros, not including the last group of three, which represents a thousand. Thus in the USA, a billion is 1,000,000,000 (10 9) and a quadrillion is a mere 1,000,000,000,000,000 . (10 15).

Definition of quintillion. US : a number equal to 1 followed by 18 zeros — see Table of Numbers also, British : a number equal to 1 followed by 30 zeros — see Table of Numbers. Other Words from quintillion Example Sentences Learn More about quintillion.