28129720038604800

28,129,720,038,604,800 is an even composite number composed of six prime numbers multiplied together.

What does the number 28129720038604800 look like?

This visualization shows the relationship between its 6 prime factors (large circles) and 4860 divisors.

28129720038604800 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of four thousand, eight hundred sixty divisors.

Prime factorization of 28129720038604800:

214 × 3 × 52 × 78 × 11 × 192

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 5 × 7 × 7 × 7 × 7 × 7 × 7 × 7 × 7 × 11 × 19 × 19)

See below for interesting mathematical facts about the number 28129720038604800 from the Numbermatics database.


Names of 28129720038604800

  • Cardinal: 28129720038604800 can be written as Twenty-eight quadrillion, one hundred twenty-nine trillion, seven hundred twenty billion, thirty-eight million, six hundred four thousand, eight hundred.

Scientific notation

  • Scientific notation: 2.81297200386048 × 1016

Factors of 28129720038604800

  • Number of distinct prime factors ω(n): 6
  • Total number of prime factors Ω(n): 28
  • Sum of prime factors: 47

Divisors of 28129720038604800

Bases of 28129720038604800

  • Binary: 11000111110111111010100110100101000100001000000000000002
  • Hexadecimal: 0x63EFD4D2884000
  • Base-36: 7OZ5IZJ4X6O

Squares and roots of 28129720038604800

  • 28129720038604800 squared (281297200386048002) is 791281149450284430802330583040000
  • 28129720038604800 cubed (281297200386048003) is 22258517205861905477127275042589760492142592000000
  • The square root of 28129720038604800 is 167719170.1583477309
  • The cube root of 28129720038604800 is 304127.1111104615

Scales and comparisons

How big is 28129720038604800?
  • 28,129,720,038,604,800 seconds is equal to 894,438,086 years, 15 weeks, 18 hours, 40 minutes.
  • To count from 1 to 28,129,720,038,604,800 would take you about two billion, six hundred eighty-three million, three hundred fourteen thousand, two hundred fifty-eight 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 28129720038604800 cubic inches would be around 25343.9 feet tall.

Recreational maths with 28129720038604800

  • 28129720038604800 backwards is 00840683002792182
  • 28129720038604800 is a Harshad number.
  • The number of decimal digits it has is: 17
  • The sum of 28129720038604800's digits is 60
  • More coming soon!

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"Number 28129720038604800 - Facts about the integer". Numbermatics.com. 2024. Web. 9 May 2024.

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Numbermatics. (2024). Number 28129720038604800 - Facts about the integer. Retrieved 9 May 2024, from https://numbermatics.com/n/28129720038604800/

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Numbermatics. 2024. "Number 28129720038604800 - Facts about the integer". https://numbermatics.com/n/28129720038604800/

The information we have on file for 28129720038604800 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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