12985

12,985 is an odd composite number composed of three prime numbers multiplied together.

What does the number 12985 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 12 divisors.

12985 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

Prime factorization of 12985:

5 × 72 × 53

(5 × 7 × 7 × 53)

See below for interesting mathematical facts about the number 12985 from the Numbermatics database.


Names of 12985

  • Cardinal: 12985 can be written as Twelve thousand, nine hundred eighty-five.

Scientific notation

  • Scientific notation: 1.2985 × 104

Factors of 12985

  • Number of distinct prime factors ω(n): 3
  • Total number of prime factors Ω(n): 4
  • Sum of prime factors: 65

Divisors of 12985

  • Number of divisors d(n): 12
  • Complete list of divisors:
  • Sum of all divisors σ(n): 18468
  • Sum of proper divisors (its aliquot sum) s(n): 5483
  • 12985 is a deficient number, because the sum of its proper divisors (5483) is less than itself. Its deficiency is 7502

Bases of 12985

  • Binary: 110010101110012
  • Hexadecimal: 0x32B9
  • Base-36: A0P

Squares and roots of 12985

  • 12985 squared (129852) is 168610225
  • 12985 cubed (129853) is 2189403771625
  • The square root of 12985 is 113.9517441727
  • The cube root of 12985 is 23.5042998017

Scales and comparisons

How big is 12985?
  • 12,985 seconds is equal to 3 hours, 36 minutes, 25 seconds.
  • To count from 1 to 12,985 would take you about three hours.

    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 12985 cubic inches would be around 2 feet tall.

Recreational maths with 12985

  • 12985 backwards is 58921
  • The number of decimal digits it has is: 5
  • The sum of 12985's digits is 25
  • More coming soon!

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The information we have on file for 12985 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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