121990128719370912

121,990,128,719,370,912 is an even composite number composed of nine prime numbers multiplied together.

What does the number 121990128719370912 look like?

This visualization shows the relationship between its 9 prime factors (large circles) and 9216 divisors.

121990128719370912 is an even composite number. It is composed of nine distinct prime numbers multiplied together. It has a total of nine thousand, two hundred sixteen divisors.

Prime factorization of 121990128719370912:

25 × 33 × 7 × 113 × 13 × 292 × 31 × 61 × 733

(2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 7 × 11 × 11 × 11 × 13 × 29 × 29 × 31 × 61 × 733)

See below for interesting mathematical facts about the number 121990128719370912 from the Numbermatics database.


Names of 121990128719370912

  • Cardinal: 121990128719370912 can be written as One hundred twenty-one quadrillion, nine hundred ninety trillion, one hundred twenty-eight billion, seven hundred nineteen million, three hundred seventy thousand, nine hundred twelve.

Scientific notation

  • Scientific notation: 1.21990128719370912 × 1017

Factors of 121990128719370912

  • Number of distinct prime factors ω(n): 9
  • Total number of prime factors Ω(n): 18
  • Sum of prime factors: 890

Divisors of 121990128719370912

Bases of 121990128719370912

  • Binary: 1101100010110010101100000001100000110110000011010101000002
  • Hexadecimal: 0x1B16560306C1AA0
  • Base-36: XD5W3GZQ7C0

Squares and roots of 121990128719370912

  • 121990128719370912 squared (1219901287193709122) is 14881591504968683786207981031711744
  • 121990128719370912 cubed (1219901287193709123) is 1815407263240226424011810827404136046124410202390528
  • The square root of 121990128719370912 is 349270852.9484974245
  • The cube root of 121990128719370912 is 495954.1894249929

Scales and comparisons

How big is 121990128719370912?
  • 121,990,128,719,370,912 seconds is equal to 3,878,908,753 years, 1 week, 4 days, 19 hours, 55 minutes, 12 seconds.
  • To count from 1 to 121,990,128,719,370,912 would take you about eleven billion, six hundred thirty-six million, seven hundred twenty-six thousand, two hundred fifty-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 121990128719370912 cubic inches would be around 41329.5 feet tall.

Recreational maths with 121990128719370912

  • 121990128719370912 backwards is 219073917821099121
  • 121990128719370912 is a Harshad number.
  • The number of decimal digits it has is: 18
  • The sum of 121990128719370912's digits is 72
  • More coming soon!

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"Number 121990128719370912 - Facts about the integer". Numbermatics.com. 2024. Web. 12 May 2024.

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Numbermatics. (2024). Number 121990128719370912 - Facts about the integer. Retrieved 12 May 2024, from https://numbermatics.com/n/121990128719370912/

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The information we have on file for 121990128719370912 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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