5661

5,661 is an odd composite number composed of three prime numbers multiplied together.

What does the number 5661 look like?

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

5661 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 5661:

32 × 17 × 37

(3 × 3 × 17 × 37)

See below for interesting mathematical facts about the number 5661 from the Numbermatics database.


Names of 5661

  • Cardinal: 5661 can be written as Five thousand, six hundred sixty-one.

Scientific notation

  • Scientific notation: 5.661 × 103

Factors of 5661

  • Number of distinct prime factors ω(n): 3
  • Total number of prime factors Ω(n): 4
  • Sum of prime factors: 57

Divisors of 5661

  • Number of divisors d(n): 12
  • Complete list of divisors:
  • Sum of all divisors σ(n): 8892
  • Sum of proper divisors (its aliquot sum) s(n): 3231
  • 5661 is a deficient number, because the sum of its proper divisors (3231) is less than itself. Its deficiency is 2430

Bases of 5661

  • Binary: 10110000111012
  • Hexadecimal: 0x161D
  • Base-36: 4D9

Squares and roots of 5661

  • 5661 squared (56612) is 32046921
  • 5661 cubed (56613) is 181417619781
  • The square root of 5661 is 75.2396172239
  • The cube root of 5661 is 17.8223260651

Scales and comparisons

How big is 5661?
  • 5,661 seconds is equal to 1 hour, 34 minutes, 21 seconds.
  • To count from 1 to 5,661 would take you about thirty-four minutes.

    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 5661 cubic inches would be around 1.5 feet tall.

Recreational maths with 5661

  • 5661 backwards is 1665
  • The number of decimal digits it has is: 4
  • The sum of 5661's digits is 18
  • More coming soon!

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The information we have on file for 5661 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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