455

455 is an odd composite number composed of three prime numbers multiplied together.

What does the number 455 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 8 divisors.

455 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eight divisors.

Prime factorization of 455:

5 × 7 × 13

See below for interesting mathematical facts about the number 455 from the Numbermatics database.


Names of 455

  • Cardinal: 455 can be written as Four hundred fifty-five.

Scientific notation

  • Scientific notation: 4.55 × 102

Factors of 455

  • Number of distinct prime factors ω(n): 3
  • Total number of prime factors Ω(n): 3
  • Sum of prime factors: 25

Divisors of 455

  • Number of divisors d(n): 8
  • Complete list of divisors:
  • Sum of all divisors σ(n): 672
  • Sum of proper divisors (its aliquot sum) s(n): 217
  • 455 is a deficient number, because the sum of its proper divisors (217) is less than itself. Its deficiency is 238

Bases of 455

  • Binary: 1110001112
  • Hexadecimal: 0x1C7
  • Base-36: CN

Squares and roots of 455

  • 455 squared (4552) is 207025
  • 455 cubed (4553) is 94196375
  • The square root of 455 is 21.3307290081
  • The cube root of 455 is 7.6913716811

Scales and comparisons

How big is 455?
  • 455 seconds is equal to 7 minutes, 35 seconds.
  • To count from 1 to 455 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 455 cubic inches would be around 0.6 feet tall.

Recreational maths with 455

  • 455 backwards is 554
  • The number of decimal digits it has is: 3
  • The sum of 455's digits is 14
  • More coming soon!

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The information we have on file for 455 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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