21438163863943920

21,438,163,863,943,920 is an even composite number composed of six prime numbers multiplied together.

What does the number 21438163863943920 look like?

This visualization shows the relationship between its 6 prime factors (large circles) and 2560 divisors.

21438163863943920 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two thousand, five hundred sixty divisors.

Prime factorization of 21438163863943920:

24 × 37 × 5 × 233 × 473 × 97

(2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 5 × 23 × 23 × 23 × 47 × 47 × 47 × 97)

See below for interesting mathematical facts about the number 21438163863943920 from the Numbermatics database.


Names of 21438163863943920

  • Cardinal: 21438163863943920 can be written as Twenty-one quadrillion, four hundred thirty-eight trillion, one hundred sixty-three billion, eight hundred sixty-three million, nine hundred forty-three thousand, nine hundred twenty.

Scientific notation

  • Scientific notation: 2.143816386394392 × 1016

Factors of 21438163863943920

  • Number of distinct prime factors ω(n): 6
  • Total number of prime factors Ω(n): 19
  • Sum of prime factors: 177

Divisors of 21438163863943920

Bases of 21438163863943920

  • Binary: 10011000010100111100101011111011011111100111010111100002
  • Hexadecimal: 0x4C29E57DBF3AF0
  • Base-36: 5V370INLR00

Squares and roots of 21438163863943920

  • 21438163863943920 squared (214381638639439202) is 459594869857310906037016904966400
  • 21438163863943920 cubed (214381638639439203) is 9852870131029011421714277262797242706139084288000
  • The square root of 21438163863943920 is 146417771.6807079399
  • The cube root of 21438163863943920 is 277798.0515976869

Scales and comparisons

How big is 21438163863943920?
  • 21,438,163,863,943,920 seconds is equal to 681,667,298 years, 14 weeks, 3 days, 10 hours, 12 minutes.
  • To count from 1 to 21,438,163,863,943,920 would take you about two billion, forty-five million, one thousand, eight hundred ninety-four 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 21438163863943920 cubic inches would be around 23149.8 feet tall.

Recreational maths with 21438163863943920

  • 21438163863943920 backwards is 02934936836183412
  • 21438163863943920 is a Harshad number.
  • The number of decimal digits it has is: 17
  • The sum of 21438163863943920's digits is 72
  • More coming soon!

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"Number 21438163863943920 - Facts about the integer". Numbermatics.com. 2024. Web. 12 May 2024.

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Numbermatics. (2024). Number 21438163863943920 - Facts about the integer. Retrieved 12 May 2024, from https://numbermatics.com/n/21438163863943920/

Chicago style:
Numbermatics. 2024. "Number 21438163863943920 - Facts about the integer". https://numbermatics.com/n/21438163863943920/

The information we have on file for 21438163863943920 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 21438163863943920, math, Factors of 21438163863943920, curriculum, school, college, exams, university, Prime factorization of 21438163863943920, STEM, science, technology, engineering, physics, economics, calculator, twenty-one quadrillion, four hundred thirty-eight trillion, one hundred sixty-three billion, eight hundred sixty-three million, nine hundred forty-three thousand, nine hundred twenty.

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