9986

9,986 is an even composite number composed of two prime numbers multiplied together.

What does the number 9986 look like?

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

9986 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.

Prime factorization of 9986:

2 × 4993

See below for interesting mathematical facts about the number 9986 from the Numbermatics database.


Names of 9986

  • Cardinal: 9986 can be written as Nine thousand, nine hundred eighty-six.

Scientific notation

  • Scientific notation: 9.986 × 103

Factors of 9986

  • Number of distinct prime factors ω(n): 2
  • Total number of prime factors Ω(n): 2
  • Sum of prime factors: 4995

Divisors of 9986

  • Number of divisors d(n): 4
  • Complete list of divisors:
  • Sum of all divisors σ(n): 14982
  • Sum of proper divisors (its aliquot sum) s(n): 4996
  • 9986 is a deficient number, because the sum of its proper divisors (4996) is less than itself. Its deficiency is 4990

Bases of 9986

  • Binary: 100111000000102
  • Hexadecimal: 0x2702
  • Base-36: 7PE

Squares and roots of 9986

  • 9986 squared (99862) is 99720196
  • 9986 cubed (99863) is 995805877256
  • The square root of 9986 is 99.9299754829
  • The cube root of 9986 is 21.5342881763

Scales and comparisons

How big is 9986?
  • 9,986 seconds is equal to 2 hours, 46 minutes, 26 seconds.
  • To count from 1 to 9,986 would take you about two hours.

    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 9986 cubic inches would be around 1.8 feet tall.

Recreational maths with 9986

  • 9986 backwards is 6899
  • The number of decimal digits it has is: 4
  • The sum of 9986's digits is 32
  • More coming soon!

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The information we have on file for 9986 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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