28001

28,001 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 28001 look like?

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

28001 is a prime number. Like all primes (except two), it is an odd number.

Prime factorization of 28001:

28001

See below for interesting mathematical facts about the number 28001 from the Numbermatics database.


Names of 28001

  • Cardinal: 28001 can be written as Twenty-eight thousand and one.

Scientific notation

  • Scientific notation: 2.8001 × 104

Factors of 28001

  • Number of distinct prime factors ω(n): 1
  • Total number of prime factors Ω(n): 1
  • Sum of prime factors: 28001

Divisors of 28001

  • Number of divisors d(n): 2
  • Complete list of divisors:
  • Sum of all divisors σ(n): 28002
  • Sum of proper divisors (its aliquot sum) s(n): 1
  • 28001 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 28000

Bases of 28001

  • Binary: 1101101011000012
  • Hexadecimal: 0x6D61
  • Base-36: LLT

Squares and roots of 28001

  • 28001 squared (280012) is 784056001
  • 28001 cubed (280013) is 21954352084001
  • The square root of 28001 is 167.3349933517
  • The cube root of 28001 is 30.3662512131

Scales and comparisons

How big is 28001?
  • 28,001 seconds is equal to 7 hours, 46 minutes, 41 seconds.
  • To count from 1 to 28,001 would take you about seven 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 28001 cubic inches would be around 2.5 feet tall.

Recreational maths with 28001

  • 28001 backwards is 10082
  • The number of decimal digits it has is: 5
  • The sum of 28001's digits is 11
  • More coming soon!

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"Number 28001 - Facts about the integer". Numbermatics.com. 2024. Web. 29 March 2024.

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Numbermatics. (2024). Number 28001 - Facts about the integer. Retrieved 29 March 2024, from https://numbermatics.com/n/28001/

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The information we have on file for 28001 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 28001, math, Factors of 28001, curriculum, school, college, exams, university, Prime factorization of 28001, STEM, science, technology, engineering, physics, economics, calculator, twenty-eight thousand and one.

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