12961

12,961 is an odd composite number composed of two prime numbers multiplied together.

What does the number 12961 look like?

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

12961 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 12961:

13 × 997

See below for interesting mathematical facts about the number 12961 from the Numbermatics database.


Names of 12961

  • Cardinal: 12961 can be written as Twelve thousand, nine hundred sixty-one.

Scientific notation

  • Scientific notation: 1.2961 × 104

Factors of 12961

  • Number of distinct prime factors ω(n): 2
  • Total number of prime factors Ω(n): 2
  • Sum of prime factors: 1010

Divisors of 12961

  • Number of divisors d(n): 4
  • Complete list of divisors:
  • Sum of all divisors σ(n): 13972
  • Sum of proper divisors (its aliquot sum) s(n): 1011
  • 12961 is a deficient number, because the sum of its proper divisors (1011) is less than itself. Its deficiency is 11950

Bases of 12961

  • Binary: 110010101000012
  • Hexadecimal: 0x32A1
  • Base-36: A01

Squares and roots of 12961

  • 12961 squared (129612) is 167987521
  • 12961 cubed (129613) is 2177286259681
  • The square root of 12961 is 113.8463877337
  • The cube root of 12961 is 23.4898099777

Scales and comparisons

How big is 12961?
  • 12,961 seconds is equal to 3 hours, 36 minutes, 1 second.
  • To count from 1 to 12,961 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 12961 cubic inches would be around 2 feet tall.

Recreational maths with 12961

  • 12961 backwards is 16921
  • The number of decimal digits it has is: 5
  • The sum of 12961's digits is 19
  • More coming soon!

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"Number 12961 - Facts about the integer". Numbermatics.com. 2020. Web. 1 December 2020.

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The information we have on file for 12961 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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