21039340804934400

21,039,340,804,934,400 is an even composite number composed of nine prime numbers multiplied together.

What does the number 21039340804934400 look like?

This visualization shows the relationship between its 9 prime factors (large circles) and 10368 divisors.

21039340804934400 is an even composite number. It is composed of nine distinct prime numbers multiplied together. It has a total of ten thousand, three hundred sixty-eight divisors.

Prime factorization of 21039340804934400:

28 × 33 × 52 × 132 × 17 × 31 × 61 × 73 × 307

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 5 × 13 × 13 × 17 × 31 × 61 × 73 × 307)

See below for interesting mathematical facts about the number 21039340804934400 from the Numbermatics database.


Names of 21039340804934400

  • Cardinal: 21039340804934400 can be written as Twenty-one quadrillion, thirty-nine trillion, three hundred forty billion, eight hundred four million, nine hundred thirty-four thousand, four hundred.

Scientific notation

  • Scientific notation: 2.10393408049344 × 1016

Factors of 21039340804934400

  • Number of distinct prime factors ω(n): 9
  • Total number of prime factors Ω(n): 20
  • Sum of prime factors: 512

Divisors of 21039340804934400

Bases of 21039340804934400

  • Binary: 10010101011111100101011010000101111110010001011000000002
  • Hexadecimal: 0x4ABF2B42FC8B00
  • Base-36: 5R5TNQFKQO0

Squares and roots of 21039340804934400

  • 21039340804934400 squared (210393408049344002) is 442653861506177686511388303360000
  • 21039340804934400 cubed (210393408049344003) is 9313145450848704866084744771846619532099584000000
  • The square root of 21039340804934400 is 145049442.6219363313
  • The cube root of 21039340804934400 is 276064.5931790331

Scales and comparisons

How big is 21039340804934400?
  • 21,039,340,804,934,400 seconds is equal to 668,985,958 years, 33 weeks, 3 days.
  • To count from 1 to 21,039,340,804,934,400 would take you about two billion, six million, nine hundred fifty-seven thousand, eight hundred seventy-five 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 21039340804934400 cubic inches would be around 23005.4 feet tall.

Recreational maths with 21039340804934400

  • 21039340804934400 backwards is 00443940804393012
  • 21039340804934400 is a Harshad number.
  • The number of decimal digits it has is: 17
  • The sum of 21039340804934400's digits is 54
  • More coming soon!

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"Number 21039340804934400 - Facts about the integer". Numbermatics.com. 2024. Web. 18 June 2024.

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Numbermatics. (2024). Number 21039340804934400 - Facts about the integer. Retrieved 18 June 2024, from https://numbermatics.com/n/21039340804934400/

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Numbermatics. 2024. "Number 21039340804934400 - Facts about the integer". https://numbermatics.com/n/21039340804934400/

The information we have on file for 21039340804934400 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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