490

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

What does the number 490 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 12 divisors.

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

Prime factorization of 490:

2 × 5 × 72

(2 × 5 × 7 × 7)

See below for interesting mathematical facts about the number 490 from the Numbermatics database.


Names of 490

  • Cardinal: 490 can be written as Four hundred ninety.

Scientific notation

  • Scientific notation: 4.9 × 102

Factors of 490

  • Number of distinct prime factors ω(n): 3
  • Total number of prime factors Ω(n): 4
  • Sum of prime factors: 14

Divisors of 490

  • Number of divisors d(n): 12
  • Complete list of divisors:
  • Sum of all divisors σ(n): 1026
  • Sum of proper divisors (its aliquot sum) s(n): 536
  • 490 is an abundant number, because the sum of its proper divisors (536) is greater than itself. Its abundance is 46

Bases of 490

  • Binary: 1111010102
  • Hexadecimal: 0x1EA
  • Base-36: DM

Squares and roots of 490

  • 490 squared (4902) is 240100
  • 490 cubed (4903) is 117649000
  • The square root of 490 is 22.1359436209
  • The cube root of 490 is 7.8837351633

Scales and comparisons

How big is 490?
  • 490 seconds is equal to 8 minutes, 10 seconds.
  • To count from 1 to 490 would take you about four 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 490 cubic inches would be around 0.7 feet tall.

Recreational maths with 490

  • 490 backwards is 094
  • The number of decimal digits it has is: 3
  • The sum of 490's digits is 13
  • More coming soon!

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The information we have on file for 490 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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