28901

28,901 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 28901 look like?

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

28901 is a prime number. Like all primes (except two), it is an odd number.

Prime factorization of 28901:

28901

See below for interesting mathematical facts about the number 28901 from the Numbermatics database.


Names of 28901

  • Cardinal: 28901 can be written as Twenty-eight thousand, nine hundred one.

Scientific notation

  • Scientific notation: 2.8901 × 104

Factors of 28901

  • Number of distinct prime factors ω(n): 1
  • Total number of prime factors Ω(n): 1
  • Sum of prime factors: 28901

Divisors of 28901

  • Number of divisors d(n): 2
  • Complete list of divisors:
  • Sum of all divisors σ(n): 28902
  • Sum of proper divisors (its aliquot sum) s(n): 1
  • 28901 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 28900

Bases of 28901

  • Binary: 1110000111001012
  • Hexadecimal: 0x70E5
  • Base-36: MAT

Squares and roots of 28901

  • 28901 squared (289012) is 835267801
  • 28901 cubed (289013) is 24140074716701
  • The square root of 28901 is 170.0029411511
  • The cube root of 28901 is 30.6881675515

Scales and comparisons

How big is 28901?
  • 28,901 seconds is equal to 8 hours, 1 minute, 41 seconds.
  • To count from 1 to 28,901 would take you about eight 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 28901 cubic inches would be around 2.6 feet tall.

Recreational maths with 28901

  • 28901 backwards is 10982
  • The number of decimal digits it has is: 5
  • The sum of 28901's digits is 20
  • More coming soon!

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"Number 28901 - Facts about the integer". Numbermatics.com. 2021. Web. 11 April 2021.

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The information we have on file for 28901 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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