1138

1,138 is an even composite number composed of two prime numbers multiplied together.

What does the number 1138 look like?

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

1138 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.

Prime factorization of 1138:

2 × 569

See below for interesting mathematical facts about the number 1138 from the Numbermatics database.


Names of 1138

  • Cardinal: 1138 can be written as One thousand, one hundred thirty-eight.

Scientific notation

  • Scientific notation: 1.138 × 103

Factors of 1138

  • Number of distinct prime factors ω(n): 2
  • Total number of prime factors Ω(n): 2
  • Sum of prime factors: 571

Divisors of 1138

  • Number of divisors d(n): 4
  • Complete list of divisors:
  • Sum of all divisors σ(n): 1710
  • Sum of proper divisors (its aliquot sum) s(n): 572
  • 1138 is a deficient number, because the sum of its proper divisors (572) is less than itself. Its deficiency is 566

Bases of 1138

  • Binary: 100011100102
  • Hexadecimal: 0x472
  • Base-36: VM

Squares and roots of 1138

  • 1138 squared (11382) is 1295044
  • 1138 cubed (11383) is 1473760072
  • The square root of 1138 is 33.7342555869
  • The cube root of 1138 is 10.4403266633

Scales and comparisons

How big is 1138?
  • 1,138 seconds is equal to 18 minutes, 58 seconds.
  • To count from 1 to 1,138 would take you about eighteen 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 1138 cubic inches would be around 0.9 feet tall.

Recreational maths with 1138

  • 1138 backwards is 8311
  • The number of decimal digits it has is: 4
  • The sum of 1138's digits is 13
  • More coming soon!

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The information we have on file for 1138 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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