396

396 is an even composite number composed of three prime numbers multiplied together.

What does the number 396 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 18 divisors.

396 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eighteen divisors.

Prime factorization of 396:

22 × 32 × 11

(2 × 2 × 3 × 3 × 11)

See below for interesting mathematical facts about the number 396 from the Numbermatics database.

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Names Factors Divisors Scales Roots Fun

Names of 396

  • Cardinal: 396 can be written as Three hundred ninety-six.

Scientific notation

  • Scientific notation: 3.96 × 102

Factors of 396

  • Number of distinct prime factors ω(n): 3
  • Total number of prime factors Ω(n): 5
  • Sum of prime factors: 16

Divisors of 396

  • Number of divisors d(n): 18
  • Complete list of divisors:
  • Sum of all divisors σ(n): 1092
  • Sum of proper divisors (its aliquot sum) s(n): 696
  • 396 is an abundant number, because the sum of its proper divisors (696) is greater than itself. Its abundance is 300

Bases of 396

  • Binary: 1100011002
  • Hexadecimal: 0x18C
  • Base-36: B0

Squares and roots of 396

  • 396 squared (3962) is 156816
  • 396 cubed (3963) is 62099136
  • The square root of 396 is 19.8997487419
  • The cube root of 396 is 7.3434204621

Scales and comparisons

How big is 396?
  • 396 seconds is equal to 6 minutes, 36 seconds.
  • To count from 1 to 396 would take you about three 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 396 cubic inches would be around 0.6 feet tall.

Recreational maths with 396

  • 396 backwards is 693
  • 396 is a Harshad number.
  • The number of decimal digits it has is: 3
  • The sum of 396's digits is 18
  • More coming soon!

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The information we have on file for 396 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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