21421901376790736640

21,421,901,376,790,736,640 is an even composite number composed of seven prime numbers multiplied together.

What does the number 21421901376790736640 look like?

This visualization shows the relationship between its 7 prime factors (large circles) and 4860 divisors.

21421901376790736640 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of four thousand, eight hundred sixty divisors.

Prime factorization of 21421901376790736640:

28 × 3 × 5 × 74 × 132 × 372 × 31692

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 7 × 7 × 7 × 7 × 13 × 13 × 37 × 37 × 3169 × 3169)

See below for interesting mathematical facts about the number 21421901376790736640 from the Numbermatics database.


Names of 21421901376790736640

  • Cardinal: 21421901376790736640 can be written as Twenty-one quintillion, four hundred twenty-one quadrillion, nine hundred one trillion, three hundred seventy-six billion, seven hundred ninety million, seven hundred thirty-six thousand, six hundred forty.

Scientific notation

  • Scientific notation: 2.142190137679073664 × 1019

Factors of 21421901376790736640

  • Number of distinct prime factors ω(n): 7
  • Total number of prime factors Ω(n): 20
  • Sum of prime factors: 3236

Divisors of 21421901376790736640

Bases of 21421901376790736640

  • Binary: 100101001010010011110000111001101110110010001000000101111000000002
  • Hexadecimal: 0x12949E1CDD9102F00
  • Base-36: 4IR4M9UR24X6O

Squares and roots of 21421901376790736640

  • 21421901376790736640 squared (214219013767907366402) is 458897858596948858009564497713838489600
  • 21421901376790736640 cubed (214219013767907366403) is 9830464668884299521606864788971145713389530018368978944000
  • The square root of 21421901376790736640 is 4628379994.8568113047
  • The cube root of 21421901376790736640 is 2777277.9013790987

Scales and comparisons

How big is 21421901376790736640?
  • 21,421,901,376,790,736,640 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
  • To count from 1 to 21,421,901,376,790,736,640 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 21421901376790736640 cubic inches would be around 231439.8 feet tall.

Recreational maths with 21421901376790736640

  • 21421901376790736640 backwards is 04663709767310912412
  • 21421901376790736640 is a Harshad number.
  • The number of decimal digits it has is: 20
  • The sum of 21421901376790736640's digits is 78
  • More coming soon!

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"Number 21421901376790736640 - Facts about the integer". Numbermatics.com. 2024. Web. 24 June 2024.

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Numbermatics. (2024). Number 21421901376790736640 - Facts about the integer. Retrieved 24 June 2024, from https://numbermatics.com/n/21421901376790736640/

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The information we have on file for 21421901376790736640 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!

Keywords: Divisors of 21421901376790736640, math, Factors of 21421901376790736640, curriculum, school, college, exams, university, Prime factorization of 21421901376790736640, STEM, science, technology, engineering, physics, economics, calculator, twenty-one quintillion, four hundred twenty-one quadrillion, nine hundred one trillion, three hundred seventy-six billion, seven hundred ninety million, seven hundred thirty-six thousand, six hundred forty.

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