4989

4,989 is an odd composite number composed of two prime numbers multiplied together.

What does the number 4989 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 4 divisors.

4989 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.

Prime factorization of 4989:

3 × 1663

See below for interesting mathematical facts about the number 4989 from the Numbermatics database.


Names of 4989

  • Cardinal: 4989 can be written as Four thousand, nine hundred eighty-nine.

Scientific notation

  • Scientific notation: 4.989 × 103

Factors of 4989

  • Number of distinct prime factors ω(n): 2
  • Total number of prime factors Ω(n): 2
  • Sum of prime factors: 1666

Divisors of 4989

  • Number of divisors d(n): 4
  • Complete list of divisors:
  • Sum of all divisors σ(n): 6656
  • Sum of proper divisors (its aliquot sum) s(n): 1667
  • 4989 is a deficient number, because the sum of its proper divisors (1667) is less than itself. Its deficiency is 3322

Bases of 4989

  • Binary: 10011011111012
  • Hexadecimal: 0x137D
  • Base-36: 3UL

Squares and roots of 4989

  • 4989 squared (49892) is 24890121
  • 4989 cubed (49893) is 124176813669
  • The square root of 4989 is 70.6328535457
  • The cube root of 4989 is 17.0872104361

Scales and comparisons

How big is 4989?
  • 4,989 seconds is equal to 1 hour, 23 minutes, 9 seconds.
  • To count from 1 to 4,989 would take you about twenty-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 4989 cubic inches would be around 1.4 feet tall.

Recreational maths with 4989

  • 4989 backwards is 9894
  • The number of decimal digits it has is: 4
  • The sum of 4989's digits is 30
  • More coming soon!

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The information we have on file for 4989 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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