144

144 is an even composite number composed of two prime numbers multiplied together.

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

Prime factorization of 144:

24 × 32

(2 × 2 × 2 × 2 × 3 × 3)

See below for interesting mathematical facts about the number 144 from the Numbermatics database.

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Names Factors Divisors Scales Roots Fun

Names of 144

  • Cardinal: 144 can be written as One hundred forty-four.

Scientific notation

  • Scientific notation: 1.44 × 102

Factors of 144

  • Number of distinct prime factors ω(n): 2
  • Total number of prime factors Ω(n): 6
  • Sum of prime factors: 5

Divisors of 144

  • Number of divisors d(n): 15
  • Complete list of divisors:
    1 2 3 4 6 8 9 12 16 18 24 36 48 72 144
  • Sum of all divisors σ(n): 403
  • Sum of proper divisors (its aliquot sum) s(n): 259
  • 144 is an abundant number, because the sum of its proper divisors (259) is greater than itself. Its abundance is 115

Bases of 144

  • Binary: 10010000 2
  • Hexadecimal: 0x90

Squares and roots of 144

  • 144 squared (1442) is 20736
  • 144 cubed (1443) is 2985984
  • 144 is a perfect square number. Its square root is 12
  • The cube root of 144 is 5.2414827885

Scales and comparisons

How big is 144?
  • 144 seconds is equal to 2 minutes, 24 seconds.
  • To count from 1 to 144 would take you about one minute.

    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.

    Note: we do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!

  • A cube with a volume of 144 cubic inches would be around 0.4 feet tall.

Recreational maths with 144

  • 144 backwards is 441
  • 144 is a Harshad number.
  • The number of decimal digits it has is: 3
  • The sum of 144's digits is 9
  • More coming soon!

The information we have on file for 144 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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