121728816375409391616

121,728,816,375,409,391,616 is an even composite number composed of seven prime numbers multiplied together.

What does the number 121728816375409391616 look like?

This visualization shows the relationship between its 7 prime factors (large circles) and 6480 divisors.

121728816375409391616 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of six thousand, four hundred eighty divisors.

Prime factorization of 121728816375409391616:

211 × 34 × 132 × 41 × 672 × 127 × 4312

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 13 × 13 × 41 × 67 × 67 × 127 × 431 × 431)

See below for interesting mathematical facts about the number 121728816375409391616 from the Numbermatics database.


Names of 121728816375409391616

  • Cardinal: 121728816375409391616 can be written as One hundred twenty-one quintillion, seven hundred twenty-eight quadrillion, eight hundred sixteen trillion, three hundred seventy-five billion, four hundred nine million, three hundred ninety-one thousand, six hundred sixteen.

Scientific notation

  • Scientific notation: 1.21728816375409391616 × 1020

Factors of 121728816375409391616

  • Number of distinct prime factors ω(n): 7
  • Total number of prime factors Ω(n): 23
  • Sum of prime factors: 684

Divisors of 121728816375409391616

Bases of 121728816375409391616

  • Binary: 11010011001010100111010000110001011111010010000011110111000000000002
  • Hexadecimal: 0x69953A18BE907B800
  • Base-36: POU6O2MFTZ400

Squares and roots of 121728816375409391616

  • 121728816375409391616 squared (1217288163754093916162) is 14817904736158137654324224625495251091456
  • 121728816375409391616 cubed (1217288163754093916163) is 1803766004696103087450876597757018807253744251036656935632896
  • The square root of 121728816375409391616 is 11033078281.9396958911
  • The cube root of 121728816375409391616 is 4955998.1212034333

Scales and comparisons

How big is 121728816375409391616?
  • 121,728,816,375,409,391,616 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
  • To count from 1 to 121,728,816,375,409,391,616 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine years!

    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 121728816375409391616 cubic inches would be around 412999.8 feet tall.

Recreational maths with 121728816375409391616

  • 121728816375409391616 backwards is 616193904573618827121
  • The number of decimal digits it has is: 21
  • The sum of 121728816375409391616's digits is 90
  • More coming soon!

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"Number 121728816375409391616 - Facts about the integer". Numbermatics.com. 2024. Web. 25 May 2024.

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Numbermatics. (2024). Number 121728816375409391616 - Facts about the integer. Retrieved 25 May 2024, from https://numbermatics.com/n/121728816375409391616/

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The information we have on file for 121728816375409391616 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 121728816375409391616, math, Factors of 121728816375409391616, curriculum, school, college, exams, university, Prime factorization of 121728816375409391616, STEM, science, technology, engineering, physics, economics, calculator, one hundred twenty-one quintillion, seven hundred twenty-eight quadrillion, eight hundred sixteen trillion, three hundred seventy-five billion, four hundred nine million, three hundred ninety-one thousand, six hundred sixteen.

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