51221

51,221 is an odd composite number composed of three prime numbers multiplied together.

What does the number 51221 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 8 divisors.

51221 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eight divisors.

Prime factorization of 51221:

17 × 23 × 131

See below for interesting mathematical facts about the number 51221 from the Numbermatics database.


Names of 51221

  • Cardinal: 51221 can be written as Fifty-one thousand, two hundred twenty-one.

Scientific notation

  • Scientific notation: 5.1221 × 104

Factors of 51221

  • Number of distinct prime factors ω(n): 3
  • Total number of prime factors Ω(n): 3
  • Sum of prime factors: 171

Divisors of 51221

  • Number of divisors d(n): 8
  • Complete list of divisors:
  • Sum of all divisors σ(n): 57024
  • Sum of proper divisors (its aliquot sum) s(n): 5803
  • 51221 is a deficient number, because the sum of its proper divisors (5803) is less than itself. Its deficiency is 45418

Bases of 51221

  • Binary: 11001000000101012
  • Hexadecimal: 0xC815
  • Base-36: 13IT

Squares and roots of 51221

  • 51221 squared (512212) is 2623590841
  • 51221 cubed (512213) is 134382946466861
  • The square root of 51221 is 226.3205691049
  • The cube root of 51221 is 37.1377867127

Scales and comparisons

How big is 51221?
  • 51,221 seconds is equal to 14 hours, 13 minutes, 41 seconds.
  • To count from 1 to 51,221 would take you about fourteen 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 51221 cubic inches would be around 3.1 feet tall.

Recreational maths with 51221

  • 51221 backwards is 12215
  • The number of decimal digits it has is: 5
  • The sum of 51221's digits is 11
  • More coming soon!

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"Number 51221 - Facts about the integer". Numbermatics.com. 2024. Web. 29 March 2024.

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Numbermatics. (2024). Number 51221 - Facts about the integer. Retrieved 29 March 2024, from https://numbermatics.com/n/51221/

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Numbermatics. 2024. "Number 51221 - Facts about the integer". https://numbermatics.com/n/51221/

The information we have on file for 51221 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 51221, math, Factors of 51221, curriculum, school, college, exams, university, Prime factorization of 51221, STEM, science, technology, engineering, physics, economics, calculator, fifty-one thousand, two hundred twenty-one.

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