21240004741754400

21,240,004,741,754,400 is an even composite number composed of seven prime numbers multiplied together.

What does the number 21240004741754400 look like?

This visualization shows the relationship between its 7 prime factors (large circles) and 4536 divisors.

21240004741754400 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of four thousand, five hundred thirty-six divisors.

Prime factorization of 21240004741754400:

25 × 36 × 52 × 72 × 23 × 31 × 10212

(2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 5 × 5 × 7 × 7 × 23 × 31 × 1021 × 1021)

See below for interesting mathematical facts about the number 21240004741754400 from the Numbermatics database.


Names of 21240004741754400

  • Cardinal: 21240004741754400 can be written as Twenty-one quadrillion, two hundred forty trillion, four billion, seven hundred forty-one million, seven hundred fifty-four thousand, four hundred.

Scientific notation

  • Scientific notation: 2.12400047417544 × 1016

Factors of 21240004741754400

  • Number of distinct prime factors ω(n): 7
  • Total number of prime factors Ω(n): 19
  • Sum of prime factors: 1092

Divisors of 21240004741754400

Bases of 21240004741754400

  • Binary: 10010110111010110101011111110011010100011101110001000002
  • Hexadecimal: 0x4B75ABF9A8EE20
  • Base-36: 5T4YBH2KI00

Squares and roots of 21240004741754400

  • 21240004741754400 squared (212400047417544002) is 451137801429749396234789919360000
  • 21240004741754400 cubed (212400047417544003) is 9582169041552532111867428380864933200925184000000
  • The square root of 21240004741754400 is 145739509.8858041309
  • The cube root of 21240004741754400 is 276939.4783290495

Scales and comparisons

How big is 21240004741754400?
  • 21,240,004,741,754,400 seconds is equal to 675,366,451 years, 7 weeks, 1 day, 18 hours.
  • To count from 1 to 21,240,004,741,754,400 would take you about two billion, twenty-six million, ninety-nine thousand, three hundred fifty-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 21240004741754400 cubic inches would be around 23078.3 feet tall.

Recreational maths with 21240004741754400

  • 21240004741754400 backwards is 00445714740004212
  • 21240004741754400 is a Harshad number.
  • The number of decimal digits it has is: 17
  • The sum of 21240004741754400's digits is 45
  • More coming soon!

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"Number 21240004741754400 - Facts about the integer". Numbermatics.com. 2024. Web. 10 June 2024.

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Numbermatics. (2024). Number 21240004741754400 - Facts about the integer. Retrieved 10 June 2024, from https://numbermatics.com/n/21240004741754400/

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The information we have on file for 21240004741754400 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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