121664

121,664 is an even composite number composed of two prime numbers multiplied together.

What does the number 121664 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 14 divisors.

121664 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of fourteen divisors.

Prime factorization of 121664:

26 × 1901

(2 × 2 × 2 × 2 × 2 × 2 × 1901)

See below for interesting mathematical facts about the number 121664 from the Numbermatics database.


Names of 121664

  • Cardinal: 121664 can be written as One hundred twenty-one thousand, six hundred sixty-four.

Scientific notation

  • Scientific notation: 1.21664 × 105

Factors of 121664

  • Number of distinct prime factors ω(n): 2
  • Total number of prime factors Ω(n): 7
  • Sum of prime factors: 1903

Divisors of 121664

  • Number of divisors d(n): 14
  • Complete list of divisors:
  • Sum of all divisors σ(n): 241554
  • Sum of proper divisors (its aliquot sum) s(n): 119890
  • 121664 is a deficient number, because the sum of its proper divisors (119890) is less than itself. Its deficiency is 1774

Bases of 121664

  • Binary: 111011011010000002
  • Hexadecimal: 0x1DB40
  • Base-36: 2LVK

Squares and roots of 121664

  • 121664 squared (1216642) is 14802128896
  • 121664 cubed (1216643) is 1800886210002944
  • The square root of 121664 is 348.8036697055
  • The cube root of 121664 is 49.5511833261

Scales and comparisons

How big is 121664?
  • 121,664 seconds is equal to 1 day, 9 hours, 47 minutes, 44 seconds.
  • To count from 1 to 121,664 would take you about nine 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 121664 cubic inches would be around 4.1 feet tall.

Recreational maths with 121664

  • 121664 backwards is 466121
  • The number of decimal digits it has is: 6
  • The sum of 121664's digits is 20
  • More coming soon!

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"Number 121664 - Facts about the integer". Numbermatics.com. 2024. Web. 29 March 2024.

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Numbermatics. (2024). Number 121664 - Facts about the integer. Retrieved 29 March 2024, from https://numbermatics.com/n/121664/

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The information we have on file for 121664 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 121664, math, Factors of 121664, curriculum, school, college, exams, university, Prime factorization of 121664, STEM, science, technology, engineering, physics, economics, calculator, one hundred twenty-one thousand, six hundred sixty-four.

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