640438153074720

640,438,153,074,720 is an even composite number composed of eight prime numbers multiplied together.

What does the number 640438153074720 look like?

This visualization shows the relationship between its 8 prime factors (large circles) and 4608 divisors.

640438153074720 is an even composite number. It is composed of eight distinct prime numbers multiplied together. It has a total of four thousand, six hundred eight divisors.

Prime factorization of 640438153074720:

25 × 35 × 5 × 73 × 11 × 13 × 41 × 8191

(2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 5 × 7 × 7 × 7 × 11 × 13 × 41 × 8191)

See below for interesting mathematical facts about the number 640438153074720 from the Numbermatics database.


Names of 640438153074720

  • Cardinal: 640438153074720 can be written as Six hundred forty trillion, four hundred thirty-eight billion, one hundred fifty-three million, seventy-four thousand, seven hundred twenty.

Scientific notation

  • Scientific notation: 6.4043815307472 × 1014

Factors of 640438153074720

  • Number of distinct prime factors ω(n): 8
  • Total number of prime factors Ω(n): 18
  • Sum of prime factors: 8273

Divisors of 640438153074720

Bases of 640438153074720

  • Binary: 100100011001111001101000001001110101011000001000002
  • Hexadecimal: 0x24679A09D5820
  • Base-36: 6B0L84PU00

Squares and roots of 640438153074720

  • 640438153074720 squared (6404381530747202) is 410161027913758486589903078400
  • 640438153074720 cubed (6404381530747203) is 262682771180316160445428830097507753218048000
  • The square root of 640438153074720 is 25306879.5602049681
  • The cube root of 640438153074720 is 86197.0492022483

Scales and comparisons

How big is 640438153074720?
  • 640,438,153,074,720 seconds is equal to 20,363,952 years, 13 weeks, 4 days, 13 hours, 12 minutes.
  • To count from 1 to 640,438,153,074,720 would take you about fifty million, nine hundred nine thousand, eight hundred eighty 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 640438153074720 cubic inches would be around 7183.1 feet tall.

Recreational maths with 640438153074720

  • 640438153074720 backwards is 027470351834046
  • 640438153074720 is a Harshad number.
  • The number of decimal digits it has is: 15
  • The sum of 640438153074720's digits is 54
  • More coming soon!

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"Number 640438153074720 - Facts about the integer". Numbermatics.com. 2024. Web. 28 May 2024.

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Numbermatics. (2024). Number 640438153074720 - Facts about the integer. Retrieved 28 May 2024, from https://numbermatics.com/n/640438153074720/

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Numbermatics. 2024. "Number 640438153074720 - Facts about the integer". https://numbermatics.com/n/640438153074720/

The information we have on file for 640438153074720 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 640438153074720, math, Factors of 640438153074720, curriculum, school, college, exams, university, Prime factorization of 640438153074720, STEM, science, technology, engineering, physics, economics, calculator, six hundred forty trillion, four hundred thirty-eight billion, one hundred fifty-three million, seventy-four thousand, seven hundred twenty.

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