21729371898144002400

21,729,371,898,144,002,400 is an even composite number composed of seven prime numbers multiplied together.

What does the number 21729371898144002400 look like?

This visualization shows the relationship between its 7 prime factors (large circles) and 27216 divisors.

21729371898144002400 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of twenty-seven thousand, two hundred sixteen divisors.

Prime factorization of 21729371898144002400:

25 × 36 × 52 × 72 × 115 × 173 × 312

(2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 5 × 5 × 7 × 7 × 11 × 11 × 11 × 11 × 11 × 17 × 17 × 17 × 31 × 31)

See below for interesting mathematical facts about the number 21729371898144002400 from the Numbermatics database.


Names of 21729371898144002400

  • Cardinal: 21729371898144002400 can be written as Twenty-one quintillion, seven hundred twenty-nine quadrillion, three hundred seventy-one trillion, eight hundred ninety-eight billion, one hundred forty-four million, two thousand, four hundred.

Scientific notation

  • Scientific notation: 2.17293718981440024 × 1019

Factors of 21729371898144002400

  • Number of distinct prime factors ω(n): 7
  • Total number of prime factors Ω(n): 25
  • Sum of prime factors: 76

Divisors of 21729371898144002400

Bases of 21729371898144002400

  • Binary: 100101101100011100011110010011101001111010011101010010001011000002
  • Hexadecimal: 0x12D8E3C9D3D3A9160
  • Base-36: 4L383H6A69I00

Squares and roots of 21729371898144002400

  • 21729371898144002400 squared (217293718981440024002) is 472165603087850285811629847091205760000
  • 21729371898144002400 cubed (217293718981440024003) is 10259861987007349005788595572959244130172499128333824000000
  • The square root of 21729371898144002400 is 4661477437.2664298459
  • The cube root of 21729371898144002400 is 2790502.3396362957

Scales and comparisons

How big is 21729371898144002400?
  • 21,729,371,898,144,002,400 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
  • To count from 1 to 21,729,371,898,144,002,400 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 21729371898144002400 cubic inches would be around 232541.9 feet tall.

Recreational maths with 21729371898144002400

  • 21729371898144002400 backwards is 00420044189817392712
  • 21729371898144002400 is a Harshad number.
  • The number of decimal digits it has is: 20
  • The sum of 21729371898144002400's digits is 72
  • More coming soon!

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"Number 21729371898144002400 - Facts about the integer". Numbermatics.com. 2024. Web. 12 May 2024.

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Numbermatics. (2024). Number 21729371898144002400 - Facts about the integer. Retrieved 12 May 2024, from https://numbermatics.com/n/21729371898144002400/

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Numbermatics. 2024. "Number 21729371898144002400 - Facts about the integer". https://numbermatics.com/n/21729371898144002400/

The information we have on file for 21729371898144002400 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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