21396047840294400

21,396,047,840,294,400 is an even composite number composed of ten prime numbers multiplied together.

What does the number 21396047840294400 look like?

This visualization shows the relationship between its 10 prime factors (large circles) and 15360 divisors.

21396047840294400 is an even composite number. It is composed of ten distinct prime numbers multiplied together. It has a total of fifteen thousand, three hundred sixty divisors.

Prime factorization of 21396047840294400:

29 × 33 × 52 × 7 × 13 × 29 × 31 × 37 × 113 × 181

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 5 × 7 × 13 × 29 × 31 × 37 × 113 × 181)

See below for interesting mathematical facts about the number 21396047840294400 from the Numbermatics database.


Names of 21396047840294400

  • Cardinal: 21396047840294400 can be written as Twenty-one quadrillion, three hundred ninety-six trillion, forty-seven billion, eight hundred forty million, two hundred ninety-four thousand, four hundred.

Scientific notation

  • Scientific notation: 2.13960478402944 × 1016

Factors of 21396047840294400

  • Number of distinct prime factors ω(n): 10
  • Total number of prime factors Ω(n): 21
  • Sum of prime factors: 421

Divisors of 21396047840294400

Bases of 21396047840294400

  • Binary: 10011000000001110010111100101110001111000110110000000002
  • Hexadecimal: 0x4C0397971E3600
  • Base-36: 5UO9KOMIYO0

Squares and roots of 21396047840294400

  • 21396047840294400 squared (213960478402944002) is 457790863184166658568278671360000
  • 21396047840294400 cubed (213960478402944003) is 9794915209538098187381255023152699103248384000000
  • The square root of 21396047840294400 is 146273879.5557648425
  • The cube root of 21396047840294400 is 277616.0176747507

Scales and comparisons

How big is 21396047840294400?
  • 21,396,047,840,294,400 seconds is equal to 680,328,139 years.
  • To count from 1 to 21,396,047,840,294,400 would take you about two billion, forty million, nine hundred eighty-four thousand, four hundred seventeen 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 21396047840294400 cubic inches would be around 23134.7 feet tall.

Recreational maths with 21396047840294400

  • 21396047840294400 backwards is 00449204874069312
  • 21396047840294400 is a Harshad number.
  • The number of decimal digits it has is: 17
  • The sum of 21396047840294400's digits is 63
  • More coming soon!

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"Number 21396047840294400 - Facts about the integer". Numbermatics.com. 2024. Web. 12 June 2024.

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Numbermatics. (2024). Number 21396047840294400 - Facts about the integer. Retrieved 12 June 2024, from https://numbermatics.com/n/21396047840294400/

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The information we have on file for 21396047840294400 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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