21243085820006400

21,243,085,820,006,400 is an even composite number composed of six prime numbers multiplied together.

What does the number 21243085820006400 look like?

This visualization shows the relationship between its 6 prime factors (large circles) and 5265 divisors.

21243085820006400 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of five thousand, two hundred sixty-five divisors.

Prime factorization of 21243085820006400:

212 × 32 × 52 × 72 × 234 × 412

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 5 × 7 × 7 × 23 × 23 × 23 × 23 × 41 × 41)

See below for interesting mathematical facts about the number 21243085820006400 from the Numbermatics database.


Names of 21243085820006400

  • Cardinal: 21243085820006400 can be written as Twenty-one quadrillion, two hundred forty-three trillion, eighty-five billion, eight hundred twenty million, six thousand, four hundred.

Scientific notation

  • Scientific notation: 2.12430858200064 × 1016

Factors of 21243085820006400

  • Number of distinct prime factors ω(n): 6
  • Total number of prime factors Ω(n): 24
  • Sum of prime factors: 81

Divisors of 21243085820006400

Bases of 21243085820006400

  • Binary: 10010110111100001111001010110000011110000010000000000002
  • Hexadecimal: 0x4B7879583C1000
  • Base-36: 5T61MWH0CG0

Squares and roots of 21243085820006400

  • 21243085820006400 squared (212430858200064002) is 451268695156156983898496040960000
  • 21243085820006400 cubed (212430858200064003) is 9586339619084549229997108971740465561862144000000
  • 21243085820006400 is a perfect square number. Its square root is 145750080
  • The cube root of 21243085820006400 is 276952.8686422643

Scales and comparisons

How big is 21243085820006400?
  • 21,243,085,820,006,400 seconds is equal to 675,464,419 years, 46 weeks, 4 days, 16 hours.
  • To count from 1 to 21,243,085,820,006,400 would take you about two billion, twenty-six million, three hundred ninety-three thousand, two hundred fifty-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 21243085820006400 cubic inches would be around 23079.4 feet tall.

Recreational maths with 21243085820006400

  • 21243085820006400 backwards is 00460002858034212
  • 21243085820006400 is a Harshad number.
  • The number of decimal digits it has is: 17
  • The sum of 21243085820006400's digits is 45
  • More coming soon!

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"Number 21243085820006400 - Facts about the integer". Numbermatics.com. 2024. Web. 6 May 2024.

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Numbermatics. (2024). Number 21243085820006400 - Facts about the integer. Retrieved 6 May 2024, from https://numbermatics.com/n/21243085820006400/

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The information we have on file for 21243085820006400 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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