21420084009455100

21,420,084,009,455,100 is an even composite number composed of nine prime numbers multiplied together.

What does the number 21420084009455100 look like?

This visualization shows the relationship between its 9 prime factors (large circles) and 1728 divisors.

21420084009455100 is an even composite number. It is composed of nine distinct prime numbers multiplied together. It has a total of one thousand, seven hundred twenty-eight divisors.

Prime factorization of 21420084009455100:

22 × 32 × 52 × 19 × 73 × 181 × 193 × 409 × 1201

(2 × 2 × 3 × 3 × 5 × 5 × 19 × 73 × 181 × 193 × 409 × 1201)

See below for interesting mathematical facts about the number 21420084009455100 from the Numbermatics database.


Names of 21420084009455100

  • Cardinal: 21420084009455100 can be written as Twenty-one quadrillion, four hundred twenty trillion, eighty-four billion, nine million, four hundred fifty-five thousand, one hundred.

Scientific notation

  • Scientific notation: 2.14200840094551 × 1016

Factors of 21420084009455100

  • Number of distinct prime factors ω(n): 9
  • Total number of prime factors Ω(n): 12
  • Sum of prime factors: 2086

Divisors of 21420084009455100

Bases of 21420084009455100

  • Binary: 10011000001100101110011111100100111000101001101111111002
  • Hexadecimal: 0x4C1973F2714DFC
  • Base-36: 5UWSAQX1S70

Squares and roots of 21420084009455100

  • 21420084009455100 squared (214200840094551002) is 458819998972114072546198916010000
  • 21420084009455100 cubed (214200840094551003) is 9827962923200786063802910428974710210766151000000
  • The square root of 21420084009455100 is 146356018.0158475751
  • The cube root of 21420084009455100 is 277719.9360624767

Scales and comparisons

How big is 21420084009455100?
  • 21,420,084,009,455,100 seconds is equal to 681,092,414 years, 43 weeks, 1 day, 7 hours, 45 minutes.
  • To count from 1 to 21,420,084,009,455,100 would take you about two billion, forty-three million, two hundred seventy-seven thousand, two hundred forty-four 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 21420084009455100 cubic inches would be around 23143.3 feet tall.

Recreational maths with 21420084009455100

  • 21420084009455100 backwards is 00155490048002412
  • 21420084009455100 is a Harshad number.
  • The number of decimal digits it has is: 17
  • The sum of 21420084009455100's digits is 45
  • More coming soon!

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"Number 21420084009455100 - Facts about the integer". Numbermatics.com. 2024. Web. 5 May 2024.

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Numbermatics. (2024). Number 21420084009455100 - Facts about the integer. Retrieved 5 May 2024, from https://numbermatics.com/n/21420084009455100/

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Numbermatics. 2024. "Number 21420084009455100 - Facts about the integer". https://numbermatics.com/n/21420084009455100/

The information we have on file for 21420084009455100 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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