457 is a prime number. Like all primes greater than two, it is odd and has no factors apart from itself and one.

What does the number 457 look like?

As a prime, it is not composed of any other numbers and has no internal structure.

457 is a prime number. Like all primes (except two), it is an odd number.

Prime factorization of 457:


See below for interesting mathematical facts about the number 457 from the Numbermatics database.

Names of 457

  • Cardinal: 457 can be written as Four hundred fifty-seven.

Scientific notation

  • Scientific notation: 4.57 × 102

Factors of 457

  • Number of distinct prime factors ω(n): 1
  • Total number of prime factors Ω(n): 1
  • Sum of prime factors: 457

Divisors of 457

  • Number of divisors d(n): 2
  • Complete list of divisors:
    1 457
  • Sum of all divisors σ(n): 458
  • Sum of proper divisors (its aliquot sum) s(n): 1
  • 457 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 456

Bases of 457

  • Binary: 1110010012
  • Hexadecimal: 0x1C9
  • Base-36: CP

Squares and roots of 457

  • 457 squared (4572) is 208849
  • 457 cubed (4573) is 95443993
  • The square root of 457 is 21.3775583265
  • The cube root of 457 is 7.7026246183

Scales and comparisons

How big is 457?
  • 457 seconds is equal to 7 minutes, 37 seconds.
  • To count from 1 to 457 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 457 cubic inches would be around 0.6 feet tall.

Recreational maths with 457

  • 457 backwards is 754
  • The number of decimal digits it has is: 3
  • The sum of 457's digits is 16
  • More coming soon!

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"Number 457 - Facts about the integer". Numbermatics.com. 2023. Web. 23 September 2023.

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Numbermatics. (2023). Number 457 - Facts about the integer. Retrieved 23 September 2023, from https://numbermatics.com/n/457/

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Numbermatics. 2023. "Number 457 - Facts about the integer". https://numbermatics.com/n/457/

The information we have on file for 457 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!

Keywords: Divisors of 457, math, Factors of 457, curriculum, school, college, exams, university, Prime factorization of 457, STEM, science, technology, engineering, physics, economics, calculator, four hundred fifty-seven.

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