5,561 is an odd composite number composed of two prime numbers multiplied together.

What does the number 5561 look like?

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

5561 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 5561:

67 × 83

See below for interesting mathematical facts about the number 5561 from the Numbermatics database.

Names of 5561

  • Cardinal: 5561 can be written as Five thousand, five hundred sixty-one.

Scientific notation

  • Scientific notation: 5.561 × 103

Factors of 5561

  • Number of distinct prime factors ω(n): 2
  • Total number of prime factors Ω(n): 2
  • Sum of prime factors: 150

Divisors of 5561

  • Number of divisors d(n): 4
  • Complete list of divisors:
  • Sum of all divisors σ(n): 5712
  • Sum of proper divisors (its aliquot sum) s(n): 151
  • 5561 is a deficient number, because the sum of its proper divisors (151) is less than itself. Its deficiency is 5410

Bases of 5561

  • Binary: 10101101110012
  • Hexadecimal: 0x15B9
  • Base-36: 4AH

Squares and roots of 5561

  • 5561 squared (55612) is 30924721
  • 5561 cubed (55613) is 171972373481
  • The square root of 5561 is 74.5721127501
  • The cube root of 5561 is 17.7167598497

Scales and comparisons

How big is 5561?
  • 5,561 seconds is equal to 1 hour, 32 minutes, 41 seconds.
  • To count from 1 to 5,561 would take you about thirty-two 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 5561 cubic inches would be around 1.5 feet tall.

Recreational maths with 5561

  • 5561 backwards is 1655
  • The number of decimal digits it has is: 4
  • The sum of 5561's digits is 17
  • More coming soon!

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The information we have on file for 5561 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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