450

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

What does the number 450 look like?

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

450 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 450:

2 × 32 × 52

(2 × 3 × 3 × 5 × 5)

See below for interesting mathematical facts about the number 450 from the Numbermatics database.

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Names Factors Divisors Scales Roots Fun

Names of 450

  • Cardinal: 450 can be written as Four hundred fifty.

Scientific notation

  • Scientific notation: 4.5 × 102

Factors of 450

  • Number of distinct prime factors ω(n): 3
  • Total number of prime factors Ω(n): 5
  • Sum of prime factors: 10

Divisors of 450

  • Number of divisors d(n): 18
  • Complete list of divisors:
  • Sum of all divisors σ(n): 1209
  • Sum of proper divisors (its aliquot sum) s(n): 759
  • 450 is an abundant number, because the sum of its proper divisors (759) is greater than itself. Its abundance is 309

Bases of 450

  • Binary: 1110000102
  • Hexadecimal: 0x1C2
  • Base-36: CI

Squares and roots of 450

  • 450 squared (4502) is 202500
  • 450 cubed (4503) is 91125000
  • The square root of 450 is 21.2132034355
  • The cube root of 450 is 7.6630943239

Scales and comparisons

How big is 450?
  • 450 seconds is equal to 7 minutes, 30 seconds.
  • To count from 1 to 450 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 450 cubic inches would be around 0.6 feet tall.

Recreational maths with 450

  • 450 backwards is 054
  • 450 is a Harshad number.
  • The number of decimal digits it has is: 3
  • The sum of 450's digits is 9
  • More coming soon!

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The information we have on file for 450 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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