33

33 is an odd composite number composed of two prime numbers multiplied together.

What does the number 33 look like?

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

33 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 33:

3 × 11

See below for interesting mathematical facts about the number 33 from the Numbermatics database.

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Names Factors Divisors Scales Roots Fun

Names of 33

  • Cardinal: 33 can be written as Thirty-three.

Scientific notation

  • Scientific notation: 3.3 × 101

Factors of 33

  • Number of distinct prime factors ω(n): 2
  • Total number of prime factors Ω(n): 2
  • Sum of prime factors: 14

Divisors of 33

  • Number of divisors d(n): 4
  • Complete list of divisors:
    1 3 11 33
  • Sum of all divisors σ(n): 48
  • Sum of proper divisors (its aliquot sum) s(n): 15
  • 33 is a deficient number, because the sum of its proper divisors (15) is less than itself. Its deficiency is 18

Bases of 33

  • Binary: 1000012
  • Hexadecimal: 0x21
  • Base-36: X

Squares and roots of 33

  • 33 squared (332) is 1089
  • 33 cubed (333) is 35937
  • The square root of 33 is 5.7445626465
  • The cube root of 33 is 3.2075343299

Scales and comparisons

How big is 33?
  • A cube with a volume of 33 cubic inches would be around 0.3 feet tall.

Recreational maths with 33

  • 33 is the same when its digits are reversed! That makes it a palindromic number.
  • The number of decimal digits it has is: 2
  • The sum of 33's digits is 6
  • More coming soon!

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The information we have on file for 33 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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