255,136,729 is an odd composite number. It is composed of a single prime number multiplied by itself.

What does the number 255136729 look like?

This visualization shows the relationship between its 1 prime factors (large circles) and 3 divisors.

255136729 is an odd composite number. It has a total of three divisors.

Prime factorization of 255136729:


(15973 × 15973)

See below for interesting mathematical facts about the number 255136729 from the Numbermatics database.

Names of 255136729

  • Cardinal: 255136729 can be written as Two hundred fifty-five million, one hundred thirty-six thousand, seven hundred twenty-nine.

Scientific notation

  • Scientific notation: 2.55136729 × 108

Factors of 255136729

  • Number of distinct prime factors ω(n): 1
  • Total number of prime factors Ω(n): 2
  • Sum of prime factors: 15973

Divisors of 255136729

  • Number of divisors d(n): 3
  • Complete list of divisors:
  • Sum of all divisors σ(n): 255152703
  • Sum of proper divisors (its aliquot sum) s(n): 15974
  • 255136729 is a deficient number, because the sum of its proper divisors (15974) is less than itself. Its deficiency is 255120755

Bases of 255136729

  • Binary: 11110011010100010011110110012
  • Hexadecimal: 0xF3513D9
  • Base-36: 47WGRD

Squares and roots of 255136729

  • 255136729 squared (2551367292) is 65094750484819441
  • 255136729 cubed (2551367293) is 16608061713767996332348489
  • 255136729 is a perfect square number. Its square root is 15973
  • The cube root of 255136729 is 634.2458892575

Scales and comparisons

How big is 255136729?
  • 255,136,729 seconds is equal to 8 years, 5 weeks, 5 days, 23 hours, 18 minutes, 49 seconds.
  • To count from 1 to 255,136,729 would take you about twelve 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 255136729 cubic inches would be around 52.9 feet tall.

Recreational maths with 255136729

  • 255136729 backwards is 927631552
  • The number of decimal digits it has is: 9
  • The sum of 255136729's digits is 40
  • More coming soon!

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Numbermatics. (2021). Number 255136729 - Facts about the integer. Retrieved 18 April 2021, from https://numbermatics.com/n/255136729/

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The information we have on file for 255136729 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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