638849827317073680

638,849,827,317,073,680 is an even composite number composed of ten prime numbers multiplied together.

What does the number 638849827317073680 look like?

This visualization shows the relationship between its 10 prime factors (large circles) and 11520 divisors.

638849827317073680 is an even composite number. It is composed of ten distinct prime numbers multiplied together. It has a total of eleven thousand, five hundred twenty divisors.

Prime factorization of 638849827317073680:

24 × 32 × 5 × 7 × 112 × 293 × 41 × 73 × 113 × 127

(2 × 2 × 2 × 2 × 3 × 3 × 5 × 7 × 11 × 11 × 29 × 29 × 29 × 41 × 73 × 113 × 127)

See below for interesting mathematical facts about the number 638849827317073680 from the Numbermatics database.


Names of 638849827317073680

  • Cardinal: 638849827317073680 can be written as Six hundred thirty-eight quadrillion, eight hundred forty-nine trillion, eight hundred twenty-seven billion, three hundred seventeen million, seventy-three thousand, six hundred eighty.

Scientific notation

  • Scientific notation: 6.3884982731707368 × 1017

Factors of 638849827317073680

  • Number of distinct prime factors ω(n): 10
  • Total number of prime factors Ω(n): 17
  • Sum of prime factors: 411

Divisors of 638849827317073680

Bases of 638849827317073680

  • Binary: 1000110111011010011010001000011111100000110111000111000100002
  • Hexadecimal: 0x8DDA6887E0DC710
  • Base-36: 4UQDD32YUG40

Squares and roots of 638849827317073680

  • 638849827317073680 squared (6388498273170736802) is 408129101863054860329042438548742400
  • 638849827317073680 cubed (6388498273170736803) is 260733206248284971455531585548937710174388412140032000
  • The square root of 638849827317073680 is 799280818.8096807317
  • The cube root of 638849827317073680 is 861257.3222968631

Scales and comparisons

How big is 638849827317073680?
  • 638,849,827,317,073,680 seconds is equal to 20,313,448,416 years, 21 weeks, 6 days, 5 hours, 48 minutes.
  • To count from 1 to 638,849,827,317,073,680 would take you about sixty billion, nine hundred forty million, three hundred forty-five thousand, two hundred forty-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 638849827317073680 cubic inches would be around 71771.4 feet tall.

Recreational maths with 638849827317073680

  • 638849827317073680 backwards is 086370713728948836
  • 638849827317073680 is a Harshad number.
  • The number of decimal digits it has is: 18
  • The sum of 638849827317073680's digits is 90
  • More coming soon!

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"Number 638849827317073680 - Facts about the integer". Numbermatics.com. 2024. Web. 12 May 2024.

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Numbermatics. (2024). Number 638849827317073680 - Facts about the integer. Retrieved 12 May 2024, from https://numbermatics.com/n/638849827317073680/

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The information we have on file for 638849827317073680 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 638849827317073680, math, Factors of 638849827317073680, curriculum, school, college, exams, university, Prime factorization of 638849827317073680, STEM, science, technology, engineering, physics, economics, calculator, six hundred thirty-eight quadrillion, eight hundred forty-nine trillion, eight hundred twenty-seven billion, three hundred seventeen million, seventy-three thousand, six hundred eighty.

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