872989

872,989 is an odd composite number composed of two prime numbers multiplied together.

What does the number 872989 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 4 divisors.

872989 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.

Prime factorization of 872989:

13 × 67153

See below for interesting mathematical facts about the number 872989 from the Numbermatics database.


Names of 872989

  • Cardinal: 872989 can be written as Eight hundred seventy-two thousand, nine hundred eighty-nine.

Scientific notation

  • Scientific notation: 8.72989 × 105

Factors of 872989

  • Number of distinct prime factors ω(n): 2
  • Total number of prime factors Ω(n): 2
  • Sum of prime factors: 67166

Divisors of 872989

  • Number of divisors d(n): 4
  • Complete list of divisors:
  • Sum of all divisors σ(n): 940156
  • Sum of proper divisors (its aliquot sum) s(n): 67167
  • 872989 is a deficient number, because the sum of its proper divisors (67167) is less than itself. Its deficiency is 805822

Bases of 872989

  • Binary: 110101010010000111012
  • Hexadecimal: 0xD521D
  • Base-36: IPLP

Squares and roots of 872989

  • 872989 squared (8729892) is 762109794121
  • 872989 cubed (8729893) is 665313467059897669
  • The square root of 872989 is 934.3388036469
  • The cube root of 872989 is 95.5732285581

Scales and comparisons

How big is 872989?
  • 872,989 seconds is equal to 1 week, 3 days, 2 hours, 29 minutes, 49 seconds.
  • To count from 1 to 872,989 would take you about three days!

    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 872989 cubic inches would be around 8 feet tall.

Recreational maths with 872989

  • 872989 backwards is 989278
  • The number of decimal digits it has is: 6
  • The sum of 872989's digits is 43
  • More coming soon!

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"Number 872989 - Facts about the integer". Numbermatics.com. 2021. Web. 17 May 2021.

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The information we have on file for 872989 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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