985

985 is an odd composite number composed of two prime numbers multiplied together.

What does the number 985 look like?

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

985 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 985:

5 × 197

See below for interesting mathematical facts about the number 985 from the Numbermatics database.


Names of 985

  • Cardinal: 985 can be written as Nine hundred eighty-five.

Scientific notation

  • Scientific notation: 9.85 × 102

Factors of 985

  • Number of distinct prime factors ω(n): 2
  • Total number of prime factors Ω(n): 2
  • Sum of prime factors: 202

Divisors of 985

  • Number of divisors d(n): 4
  • Complete list of divisors:
  • Sum of all divisors σ(n): 1188
  • Sum of proper divisors (its aliquot sum) s(n): 203
  • 985 is a deficient number, because the sum of its proper divisors (203) is less than itself. Its deficiency is 782

Bases of 985

  • Binary: 11110110012
  • Hexadecimal: 0x3D9
  • Base-36: RD

Squares and roots of 985

  • 985 squared (9852) is 970225
  • 985 cubed (9853) is 955671625
  • The square root of 985 is 31.3847096529
  • The cube root of 985 is 9.9497478957

Scales and comparisons

How big is 985?
  • 985 seconds is equal to 16 minutes, 25 seconds.
  • To count from 1 to 985 would take you about eight 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 985 cubic inches would be around 0.8 feet tall.

Recreational maths with 985

  • 985 backwards is 589
  • The number of decimal digits it has is: 3
  • The sum of 985's digits is 22
  • More coming soon!

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The information we have on file for 985 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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