21388401363028128

21,388,401,363,028,128 is an even composite number composed of seven prime numbers multiplied together.

What does the number 21388401363028128 look like?

This visualization shows the relationship between its 7 prime factors (large circles) and 1296 divisors.

21388401363028128 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one thousand, two hundred ninety-six divisors.

Prime factorization of 21388401363028128:

25 × 3 × 11 × 132 × 732 × 1492 × 1013

(2 × 2 × 2 × 2 × 2 × 3 × 11 × 13 × 13 × 73 × 73 × 149 × 149 × 1013)

See below for interesting mathematical facts about the number 21388401363028128 from the Numbermatics database.


Names of 21388401363028128

  • Cardinal: 21388401363028128 can be written as Twenty-one quadrillion, three hundred eighty-eight trillion, four hundred one billion, three hundred sixty-three million, twenty-eight thousand, one hundred twenty-eight.

Scientific notation

  • Scientific notation: 2.1388401363028128 × 1016

Factors of 21388401363028128

  • Number of distinct prime factors ω(n): 7
  • Total number of prime factors Ω(n): 14
  • Sum of prime factors: 1264

Divisors of 21388401363028128

Bases of 21388401363028128

  • Binary: 10010111111110010100011010000011000111010001000101000002
  • Hexadecimal: 0x4BFCA3418E88A0
  • Base-36: 5ULJZXVDZMO

Squares and roots of 21388401363028128

  • 21388401363028128 squared (213884013630281282) is 457463712865983483676077719184384
  • 21388401363028128 cubed (213884013630281283) is 9784417499798709317908403322926050708000610353152
  • The square root of 21388401363028128 is 146247739.6851935213
  • The cube root of 21388401363028128 is 277582.9424465149

Scales and comparisons

How big is 21388401363028128?
  • 21,388,401,363,028,128 seconds is equal to 680,085,004 years, 35 weeks, 17 hours, 8 minutes, 48 seconds.
  • To count from 1 to 21,388,401,363,028,128 would take you about two billion, forty million, two hundred fifty-five thousand and fourteen 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 21388401363028128 cubic inches would be around 23131.9 feet tall.

Recreational maths with 21388401363028128

  • 21388401363028128 backwards is 82182036310488312
  • The number of decimal digits it has is: 17
  • The sum of 21388401363028128's digits is 60
  • More coming soon!

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"Number 21388401363028128 - Facts about the integer". Numbermatics.com. 2024. Web. 9 June 2024.

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Numbermatics. (2024). Number 21388401363028128 - Facts about the integer. Retrieved 9 June 2024, from https://numbermatics.com/n/21388401363028128/

Chicago style:
Numbermatics. 2024. "Number 21388401363028128 - Facts about the integer". https://numbermatics.com/n/21388401363028128/

The information we have on file for 21388401363028128 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 21388401363028128, math, Factors of 21388401363028128, curriculum, school, college, exams, university, Prime factorization of 21388401363028128, STEM, science, technology, engineering, physics, economics, calculator, twenty-one quadrillion, three hundred eighty-eight trillion, four hundred one billion, three hundred sixty-three million, twenty-eight thousand, one hundred twenty-eight.

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