21039421953564000

21,039,421,953,564,000 is an even composite number composed of seven prime numbers multiplied together.

What does the number 21039421953564000 look like?

This visualization shows the relationship between its 7 prime factors (large circles) and 10368 divisors.

21039421953564000 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of ten thousand, three hundred sixty-eight divisors.

Prime factorization of 21039421953564000:

25 × 38 × 53 × 72 × 17 × 19 × 373

(2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 5 × 5 × 5 × 7 × 7 × 17 × 19 × 37 × 37 × 37)

See below for interesting mathematical facts about the number 21039421953564000 from the Numbermatics database.


Names of 21039421953564000

  • Cardinal: 21039421953564000 can be written as Twenty-one quadrillion, thirty-nine trillion, four hundred twenty-one billion, nine hundred fifty-three million, five hundred sixty-four thousand.

Scientific notation

  • Scientific notation: 2.1039421953564 × 1016

Factors of 21039421953564000

  • Number of distinct prime factors ω(n): 7
  • Total number of prime factors Ω(n): 23
  • Sum of prime factors: 90

Divisors of 21039421953564000

Bases of 21039421953564000

  • Binary: 10010101011111100111110001001111101001001011101011000002
  • Hexadecimal: 0x4ABF3E27D25D60
  • Base-36: 5R5UP0HDI00

Squares and roots of 21039421953564000

  • 21039421953564000 squared (210394219535640002) is 442657276140110802172302096000000
  • 21039421953564000 cubed (210394219535640003) is 9313253213527089018819395299555491870144000000000
  • The square root of 21039421953564000 is 145049722.3491448121
  • The cube root of 21039421953564000 is 276064.9481051501

Scales and comparisons

How big is 21039421953564000?
  • 21,039,421,953,564,000 seconds is equal to 668,988,538 years, 47 weeks, 5 days, 6 hours.
  • To count from 1 to 21,039,421,953,564,000 would take you about two billion, six million, nine hundred sixty-five thousand, six hundred sixteen 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 21039421953564000 cubic inches would be around 23005.4 feet tall.

Recreational maths with 21039421953564000

  • 21039421953564000 backwards is 00046535912493012
  • 21039421953564000 is a Harshad number.
  • The number of decimal digits it has is: 17
  • The sum of 21039421953564000's digits is 54
  • More coming soon!

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"Number 21039421953564000 - Facts about the integer". Numbermatics.com. 2024. Web. 17 June 2024.

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Numbermatics. (2024). Number 21039421953564000 - Facts about the integer. Retrieved 17 June 2024, from https://numbermatics.com/n/21039421953564000/

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The information we have on file for 21039421953564000 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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