3,989 is a prime number. Like all primes greater than two, it is odd and has no factors apart from itself and one.

What does the number 3989 look like?

As a prime, it is not composed of any other numbers and has no internal structure.

3989 is a prime number. Like all primes (except two), it is an odd number.

Prime factorization of 3989:


See below for interesting mathematical facts about the number 3989 from the Numbermatics database.

Names of 3989

  • Cardinal: 3989 can be written as Three thousand, nine hundred eighty-nine.

Scientific notation

  • Scientific notation: 3.989 × 103

Factors of 3989

  • Number of distinct prime factors ω(n): 1
  • Total number of prime factors Ω(n): 1
  • Sum of prime factors: 3989

Divisors of 3989

  • Number of divisors d(n): 2
  • Complete list of divisors:
  • Sum of all divisors σ(n): 3990
  • Sum of proper divisors (its aliquot sum) s(n): 1
  • 3989 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 3988

Bases of 3989

  • Binary: 1111100101012
  • Hexadecimal: 0xF95
  • Base-36: 32T

Squares and roots of 3989

  • 3989 squared (39892) is 15912121
  • 3989 cubed (39893) is 63473450669
  • The square root of 3989 is 63.1585306985
  • The cube root of 3989 is 15.8594459843

Scales and comparisons

How big is 3989?
  • 3,989 seconds is equal to 1 hour, 6 minutes, 29 seconds.
  • To count from 1 to 3,989 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 3989 cubic inches would be around 1.3 feet tall.

Recreational maths with 3989

  • 3989 backwards is 9893
  • The number of decimal digits it has is: 4
  • The sum of 3989's digits is 29
  • More coming soon!

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"Number 3989 - Facts about the integer". Numbermatics.com. 2023. Web. 30 March 2023.

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Numbermatics. (2023). Number 3989 - Facts about the integer. Retrieved 30 March 2023, from https://numbermatics.com/n/3989/

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Numbermatics. 2023. "Number 3989 - Facts about the integer". https://numbermatics.com/n/3989/

The information we have on file for 3989 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 3989, math, Factors of 3989, curriculum, school, college, exams, university, Prime factorization of 3989, STEM, science, technology, engineering, physics, economics, calculator, three thousand, nine hundred eighty-nine.

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