640728990720000

640,728,990,720,000 is an even composite number composed of seven prime numbers multiplied together.

What does the number 640728990720000 look like?

This visualization shows the relationship between its 7 prime factors (large circles) and 6720 divisors.

640728990720000 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of six thousand, seven hundred twenty divisors.

Prime factorization of 640728990720000:

213 × 33 × 54 × 7 × 13 × 312 × 53

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 5 × 5 × 5 × 7 × 13 × 31 × 31 × 53)

See below for interesting mathematical facts about the number 640728990720000 from the Numbermatics database.


Names of 640728990720000

  • Cardinal: 640728990720000 can be written as Six hundred forty trillion, seven hundred twenty-eight billion, nine hundred ninety million, seven hundred twenty thousand.

Scientific notation

  • Scientific notation: 6.4072899072 × 1014

Factors of 640728990720000

  • Number of distinct prime factors ω(n): 7
  • Total number of prime factors Ω(n): 25
  • Sum of prime factors: 114

Divisors of 640728990720000

Bases of 640728990720000

  • Binary: 100100011010111101010101111110001110100000000000002
  • Hexadecimal: 0x246BD57E3A000
  • Base-36: 6B4AU1XXC0

Squares and roots of 640728990720000

  • 640728990720000 squared (6407289907200002) is 410533639549069846118400000000
  • 640728990720000 cubed (6407289907200003) is 263040804524883798418228141621248000000000000
  • The square root of 640728990720000 is 25312625.1250240737
  • The cube root of 640728990720000 is 86210.0952462219

Scales and comparisons

How big is 640728990720000?
  • 640,728,990,720,000 seconds is equal to 20,373,200 years.
  • To count from 1 to 640,728,990,720,000 would take you about fifty million, nine hundred thirty-three thousand 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 640728990720000 cubic inches would be around 7184.2 feet tall.

Recreational maths with 640728990720000

  • 640728990720000 backwards is 000027099827046
  • 640728990720000 is a Harshad number.
  • The number of decimal digits it has is: 15
  • The sum of 640728990720000's digits is 54
  • More coming soon!

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"Number 640728990720000 - Facts about the integer". Numbermatics.com. 2024. Web. 26 May 2024.

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Numbermatics. (2024). Number 640728990720000 - Facts about the integer. Retrieved 26 May 2024, from https://numbermatics.com/n/640728990720000/

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The information we have on file for 640728990720000 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!

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