21012826221738240

21,012,826,221,738,240 is an even composite number composed of nine prime numbers multiplied together.

What does the number 21012826221738240 look like?

This visualization shows the relationship between its 9 prime factors (large circles) and 2304 divisors.

21012826221738240 is an even composite number. It is composed of nine distinct prime numbers multiplied together. It has a total of two thousand, three hundred four divisors.

Prime factorization of 21012826221738240:

28 × 3 × 5 × 17 × 31 × 53 × 181 × 601 × 1801

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 17 × 31 × 53 × 181 × 601 × 1801)

See below for interesting mathematical facts about the number 21012826221738240 from the Numbermatics database.


Names of 21012826221738240

  • Cardinal: 21012826221738240 can be written as Twenty-one quadrillion, twelve trillion, eight hundred twenty-six billion, two hundred twenty-one million, seven hundred thirty-eight thousand, two hundred forty.

Scientific notation

  • Scientific notation: 2.101282622173824 × 1016

Factors of 21012826221738240

  • Number of distinct prime factors ω(n): 9
  • Total number of prime factors Ω(n): 16
  • Sum of prime factors: 2694

Divisors of 21012826221738240

Bases of 21012826221738240

  • Binary: 10010101010011100001101110110101010110001111001000000002
  • Hexadecimal: 0x4AA70DDAAC7900
  • Base-36: 5QWFB3PBSAO

Squares and roots of 21012826221738240

  • 21012826221738240 squared (210128262217382402) is 441538865824970158500327078297600
  • 21012826221738240 cubed (210128262217382403) is 9277979457723495395384824837739410783652020224000
  • The square root of 21012826221738240 is 144958015.3759640847
  • The cube root of 21012826221738240 is 275948.5753703459

Scales and comparisons

How big is 21012826221738240?
  • 21,012,826,221,738,240 seconds is equal to 668,142,876 years, 47 weeks, 3 days, 1 hour, 4 minutes.
  • To count from 1 to 21,012,826,221,738,240 would take you about two billion, four million, four hundred twenty-eight thousand, six hundred thirty 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 21012826221738240 cubic inches would be around 22995.7 feet tall.

Recreational maths with 21012826221738240

  • 21012826221738240 backwards is 04283712262821012
  • 21012826221738240 is a Harshad number.
  • The number of decimal digits it has is: 17
  • The sum of 21012826221738240's digits is 51
  • More coming soon!

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"Number 21012826221738240 - Facts about the integer". Numbermatics.com. 2024. Web. 9 May 2024.

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Numbermatics. (2024). Number 21012826221738240 - Facts about the integer. Retrieved 9 May 2024, from https://numbermatics.com/n/21012826221738240/

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Numbermatics. 2024. "Number 21012826221738240 - Facts about the integer". https://numbermatics.com/n/21012826221738240/

The information we have on file for 21012826221738240 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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