221971

221,971 is an odd composite number composed of two prime numbers multiplied together.

What does the number 221971 look like?

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

221971 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.

Prime factorization of 221971:

67 × 3313

See below for interesting mathematical facts about the number 221971 from the Numbermatics database.


Names of 221971

  • Cardinal: 221971 can be written as Two hundred twenty-one thousand, nine hundred seventy-one.

Scientific notation

  • Scientific notation: 2.21971 × 105

Factors of 221971

  • Number of distinct prime factors ω(n): 2
  • Total number of prime factors Ω(n): 2
  • Sum of prime factors: 3380

Divisors of 221971

  • Number of divisors d(n): 4
  • Complete list of divisors:
  • Sum of all divisors σ(n): 225352
  • Sum of proper divisors (its aliquot sum) s(n): 3381
  • 221971 is a deficient number, because the sum of its proper divisors (3381) is less than itself. Its deficiency is 218590

Bases of 221971

  • Binary: 1101100011000100112
  • Hexadecimal: 0x36313
  • Base-36: 4R9V

Squares and roots of 221971

  • 221971 squared (2219712) is 49271124841
  • 221971 cubed (2219713) is 10936760852081611
  • The square root of 221971 is 471.1379840345
  • The cube root of 221971 is 60.5478527675

Scales and comparisons

How big is 221971?
  • 221,971 seconds is equal to 2 days, 13 hours, 39 minutes, 31 seconds.
  • To count from 1 to 221,971 would take you about two days.

    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 221971 cubic inches would be around 5 feet tall.

Recreational maths with 221971

  • 221971 backwards is 179122
  • The number of decimal digits it has is: 6
  • The sum of 221971's digits is 22
  • More coming soon!

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"Number 221971 - Facts about the integer". Numbermatics.com. 2020. Web. 26 May 2020.

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The information we have on file for 221971 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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