21042120991500

21,042,120,991,500 is an even composite number composed of seven prime numbers multiplied together.

What does the number 21042120991500 look like?

This visualization shows the relationship between its 7 prime factors (large circles) and 1920 divisors.

21042120991500 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one thousand, nine hundred twenty divisors.

Prime factorization of 21042120991500:

22 × 39 × 53 × 7 × 31 × 59 × 167

(2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 5 × 5 × 5 × 7 × 31 × 59 × 167)

See below for interesting mathematical facts about the number 21042120991500 from the Numbermatics database.


Names of 21042120991500

  • Cardinal: 21042120991500 can be written as Twenty-one trillion, forty-two billion, one hundred twenty million, nine hundred ninety-one thousand, five hundred.

Scientific notation

  • Scientific notation: 2.10421209915 × 1013

Factors of 21042120991500

  • Number of distinct prime factors ω(n): 7
  • Total number of prime factors Ω(n): 18
  • Sum of prime factors: 274

Divisors of 21042120991500

Bases of 21042120991500

  • Binary: 1001100100011010000000010010110100011000011002
  • Hexadecimal: 0x13234025A30C
  • Base-36: 7GIM7JOR0

Squares and roots of 21042120991500

  • 21042120991500 squared (210421209915002) is 442770855820924943072250000
  • 21042120991500 cubed (210421209915003) is 9316837919693904709566534226135875000000
  • The square root of 21042120991500 is 4587169.1697058655
  • The cube root of 21042120991500 is 27607.6752578827

Scales and comparisons

How big is 21042120991500?
  • 21,042,120,991,500 seconds is equal to 669,074 years, 18 weeks, 5 days, 45 minutes.
  • To count from 1 to 21,042,120,991,500 would take you about one million, six hundred seventy-two thousand, six hundred eighty-five 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 21042120991500 cubic inches would be around 2300.6 feet tall.

Recreational maths with 21042120991500

  • 21042120991500 backwards is 00519902124012
  • 21042120991500 is a Harshad number.
  • The number of decimal digits it has is: 14
  • The sum of 21042120991500's digits is 36
  • More coming soon!

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"Number 21042120991500 - Facts about the integer". Numbermatics.com. 2024. Web. 27 September 2024.

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Numbermatics. (2024). Number 21042120991500 - Facts about the integer. Retrieved 27 September 2024, from https://numbermatics.com/n/21042120991500/

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The information we have on file for 21042120991500 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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