21491617360012800

21,491,617,360,012,800 is an even composite number composed of seven prime numbers multiplied together.

What does the number 21491617360012800 look like?

This visualization shows the relationship between its 7 prime factors (large circles) and 5760 divisors.

21491617360012800 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of five thousand, seven hundred sixty divisors.

Prime factorization of 21491617360012800:

29 × 3 × 52 × 7 × 112 × 133 × 673

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 5 × 7 × 11 × 11 × 13 × 13 × 13 × 67 × 67 × 67)

See below for interesting mathematical facts about the number 21491617360012800 from the Numbermatics database.


Names of 21491617360012800

  • Cardinal: 21491617360012800 can be written as Twenty-one quadrillion, four hundred ninety-one trillion, six hundred seventeen billion, three hundred sixty million, twelve thousand, eight hundred.

Scientific notation

  • Scientific notation: 2.14916173600128 × 1016

Factors of 21491617360012800

  • Number of distinct prime factors ω(n): 7
  • Total number of prime factors Ω(n): 21
  • Sum of prime factors: 108

Divisors of 21491617360012800

Bases of 21491617360012800

  • Binary: 10011000101101010000011000110100110010001100110000000002
  • Hexadecimal: 0x4C5A831A646600
  • Base-36: 5VM54PR19MO

Squares and roots of 21491617360012800

  • 21491617360012800 squared (214916173600128002) is 461889616749203555004416163840000
  • 21491617360012800 cubed (214916173600128003) is 9926754905736842076001015108952404789297152000000
  • The square root of 21491617360012800 is 146600195.6342923849
  • The cube root of 21491617360012800 is 278028.7453671225

Scales and comparisons

How big is 21491617360012800?
  • 21,491,617,360,012,800 seconds is equal to 683,366,954 years, 5 weeks, 5 days, 10 hours, 40 minutes.
  • To count from 1 to 21,491,617,360,012,800 would take you about two billion, fifty million, one hundred thousand, eight hundred sixty-two years!

    This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

  • A cube with a volume of 21491617360012800 cubic inches would be around 23169.1 feet tall.

Recreational maths with 21491617360012800

  • 21491617360012800 backwards is 00821006371619412
  • The number of decimal digits it has is: 17
  • The sum of 21491617360012800's digits is 51
  • More coming soon!

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"Number 21491617360012800 - Facts about the integer". Numbermatics.com. 2024. Web. 21 May 2024.

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Numbermatics. (2024). Number 21491617360012800 - Facts about the integer. Retrieved 21 May 2024, from https://numbermatics.com/n/21491617360012800/

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The information we have on file for 21491617360012800 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!

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