21007945164542400

21,007,945,164,542,400 is an even composite number composed of six prime numbers multiplied together.

What does the number 21007945164542400 look like?

This visualization shows the relationship between its 6 prime factors (large circles) and 5040 divisors.

21007945164542400 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of five thousand and forty divisors.

Prime factorization of 21007945164542400:

26 × 35 × 52 × 17 × 194 × 293

(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 5 × 5 × 17 × 19 × 19 × 19 × 19 × 29 × 29 × 29)

See below for interesting mathematical facts about the number 21007945164542400 from the Numbermatics database.


Names of 21007945164542400

  • Cardinal: 21007945164542400 can be written as Twenty-one quadrillion, seven trillion, nine hundred forty-five billion, one hundred sixty-four million, five hundred forty-two thousand, four hundred.

Scientific notation

  • Scientific notation: 2.10079451645424 × 1016

Factors of 21007945164542400

  • Number of distinct prime factors ω(n): 6
  • Total number of prime factors Ω(n): 21
  • Sum of prime factors: 75

Divisors of 21007945164542400

Bases of 21007945164542400

  • Binary: 10010101010001010011101011001001111111001010001110000002
  • Hexadecimal: 0x4AA29D64FE51C0
  • Base-36: 5QUP0RXWC00

Squares and roots of 21007945164542400

  • 21007945164542400 squared (210079451645424002) is 441333760036420405810201397760000
  • 21007945164542400 cubed (210079451645424003) is 9271515430106433959555092384049685670785024000000
  • The square root of 21007945164542400 is 144941178.2915483269
  • The cube root of 21007945164542400 is 275927.2070709629

Scales and comparisons

How big is 21007945164542400?
  • 21,007,945,164,542,400 seconds is equal to 667,987,674 years, 20 weeks, 2 days, 12 hours.
  • To count from 1 to 21,007,945,164,542,400 would take you about two billion, three million, nine hundred sixty-three thousand and twenty-three 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 21007945164542400 cubic inches would be around 22993.9 feet tall.

Recreational maths with 21007945164542400

  • 21007945164542400 backwards is 00424546154970012
  • 21007945164542400 is a Harshad number.
  • The number of decimal digits it has is: 17
  • The sum of 21007945164542400's digits is 54
  • More coming soon!

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"Number 21007945164542400 - Facts about the integer". Numbermatics.com. 2024. Web. 24 June 2024.

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Numbermatics. (2024). Number 21007945164542400 - Facts about the integer. Retrieved 24 June 2024, from https://numbermatics.com/n/21007945164542400/

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The information we have on file for 21007945164542400 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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