11855

11,855 is an odd composite number composed of two prime numbers multiplied together.

What does the number 11855 look like?

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

11855 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 11855:

5 × 2371

See below for interesting mathematical facts about the number 11855 from the Numbermatics database.


Names of 11855

  • Cardinal: 11855 can be written as Eleven thousand, eight hundred fifty-five.

Scientific notation

  • Scientific notation: 1.1855 × 104

Factors of 11855

  • Number of distinct prime factors ω(n): 2
  • Total number of prime factors Ω(n): 2
  • Sum of prime factors: 2376

Divisors of 11855

  • Number of divisors d(n): 4
  • Complete list of divisors:
  • Sum of all divisors σ(n): 14232
  • Sum of proper divisors (its aliquot sum) s(n): 2377
  • 11855 is a deficient number, because the sum of its proper divisors (2377) is less than itself. Its deficiency is 9478

Bases of 11855

  • Binary: 101110010011112
  • Hexadecimal: 0x2E4F
  • Base-36: 95B

Squares and roots of 11855

  • 11855 squared (118552) is 140541025
  • 11855 cubed (118553) is 1666113851375
  • The square root of 11855 is 108.8806686239
  • The cube root of 11855 is 22.8016978321

Scales and comparisons

How big is 11855?
  • 11,855 seconds is equal to 3 hours, 17 minutes, 35 seconds.
  • To count from 1 to 11,855 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 11855 cubic inches would be around 1.9 feet tall.

Recreational maths with 11855

  • 11855 backwards is 55811
  • The number of decimal digits it has is: 5
  • The sum of 11855's digits is 20
  • More coming soon!

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"Number 11855 - Facts about the integer". Numbermatics.com. 2021. Web. 26 February 2021.

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Numbermatics. (2021). Number 11855 - Facts about the integer. Retrieved 26 February 2021, from https://numbermatics.com/n/11855/

Chicago style:
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The information we have on file for 11855 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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