13887

13,887 is an odd composite number composed of two prime numbers multiplied together.

What does the number 13887 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 6 divisors.

13887 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of six divisors.

Prime factorization of 13887:

32 × 1543

(3 × 3 × 1543)

See below for interesting mathematical facts about the number 13887 from the Numbermatics database.


Names of 13887

  • Cardinal: 13887 can be written as Thirteen thousand, eight hundred eighty-seven.

Scientific notation

  • Scientific notation: 1.3887 × 104

Factors of 13887

  • Number of distinct prime factors ω(n): 2
  • Total number of prime factors Ω(n): 3
  • Sum of prime factors: 1546

Divisors of 13887

  • Number of divisors d(n): 6
  • Complete list of divisors:
  • Sum of all divisors σ(n): 20072
  • Sum of proper divisors (its aliquot sum) s(n): 6185
  • 13887 is a deficient number, because the sum of its proper divisors (6185) is less than itself. Its deficiency is 7702

Bases of 13887

  • Binary: 110110001111112
  • Hexadecimal: 0x363F
  • Base-36: APR

Squares and roots of 13887

  • 13887 squared (138872) is 192848769
  • 13887 cubed (138873) is 2678090855103
  • The square root of 13887 is 117.8431160485
  • The cube root of 13887 is 24.0364030893

Scales and comparisons

How big is 13887?
  • 13,887 seconds is equal to 3 hours, 51 minutes, 27 seconds.
  • To count from 1 to 13,887 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 13887 cubic inches would be around 2 feet tall.

Recreational maths with 13887

  • 13887 backwards is 78831
  • The number of decimal digits it has is: 5
  • The sum of 13887's digits is 27
  • More coming soon!

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"Number 13887 - Facts about the integer". Numbermatics.com. 2024. Web. 28 March 2024.

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Numbermatics. (2024). Number 13887 - Facts about the integer. Retrieved 28 March 2024, from https://numbermatics.com/n/13887/

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The information we have on file for 13887 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!

Keywords: Divisors of 13887, math, Factors of 13887, curriculum, school, college, exams, university, Prime factorization of 13887, STEM, science, technology, engineering, physics, economics, calculator, thirteen thousand, eight hundred eighty-seven.

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