3986

3,986 is an even composite number composed of two prime numbers multiplied together.

What does the number 3986 look like?

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

3986 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 3986:

2 × 1993

See below for interesting mathematical facts about the number 3986 from the Numbermatics database.


Names of 3986

  • Cardinal: 3986 can be written as Three thousand, nine hundred eighty-six.

Scientific notation

  • Scientific notation: 3.986 × 103

Factors of 3986

  • Number of distinct prime factors ω(n): 2
  • Total number of prime factors Ω(n): 2
  • Sum of prime factors: 1995

Divisors of 3986

  • Number of divisors d(n): 4
  • Complete list of divisors:
  • Sum of all divisors σ(n): 5982
  • Sum of proper divisors (its aliquot sum) s(n): 1996
  • 3986 is a deficient number, because the sum of its proper divisors (1996) is less than itself. Its deficiency is 1990

Bases of 3986

  • Binary: 1111100100102
  • Hexadecimal: 0xF92
  • Base-36: 32Q

Squares and roots of 3986

  • 3986 squared (39862) is 15888196
  • 3986 cubed (39863) is 63330349256
  • The square root of 3986 is 63.1347764707
  • The cube root of 3986 is 15.8554691923

Scales and comparisons

How big is 3986?
  • 3,986 seconds is equal to 1 hour, 6 minutes, 26 seconds.
  • To count from 1 to 3,986 would take you about six 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 3986 cubic inches would be around 1.3 feet tall.

Recreational maths with 3986

  • 3986 backwards is 6893
  • The number of decimal digits it has is: 4
  • The sum of 3986's digits is 26
  • More coming soon!

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"Number 3986 - Facts about the integer". Numbermatics.com. 2021. Web. 4 December 2021.

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Numbermatics. (2021). Number 3986 - Facts about the integer. Retrieved 4 December 2021, from https://numbermatics.com/n/3986/

Chicago style:
Numbermatics. 2021. "Number 3986 - Facts about the integer". https://numbermatics.com/n/3986/

The information we have on file for 3986 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!

Keywords: Divisors of 3986, math, Factors of 3986, curriculum, school, college, exams, university, Prime factorization of 3986, STEM, science, technology, engineering, physics, economics, calculator, three thousand, nine hundred eighty-six.

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