128521998308340

128,521,998,308,340 is an even composite number composed of seven prime numbers multiplied together.

What does the number 128521998308340 look like?

This visualization shows the relationship between its 7 prime factors (large circles) and 1440 divisors.

128521998308340 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one thousand, four hundred forty divisors.

Prime factorization of 128521998308340:

22 × 39 × 5 × 72 × 13 × 397 × 1291

(2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 5 × 7 × 7 × 13 × 397 × 1291)

See below for interesting mathematical facts about the number 128521998308340 from the Numbermatics database.


Names of 128521998308340

  • Cardinal: 128521998308340 can be written as One hundred twenty-eight trillion, five hundred twenty-one billion, nine hundred ninety-eight million, three hundred eight thousand, three hundred forty.

Scientific notation

  • Scientific notation: 1.2852199830834 × 1014

Factors of 128521998308340

  • Number of distinct prime factors ω(n): 7
  • Total number of prime factors Ω(n): 17
  • Sum of prime factors: 1718

Divisors of 128521998308340

Bases of 128521998308340

  • Binary: 111010011100011110111000000111000010011111101002
  • Hexadecimal: 0x74E3DC0E13F4
  • Base-36: 19K26VGB90

Squares and roots of 128521998308340

  • 128521998308340 squared (1285219983083402) is 16517904049168949821713555600
  • 128521998308340 cubed (1285219983083403) is 2122914036264614205169123937423246533704000
  • The square root of 128521998308340 is 11336754.3110160063
  • The cube root of 128521998308340 is 50465.2570635461

Scales and comparisons

How big is 128521998308340?
  • 128,521,998,308,340 seconds is equal to 4,086,602 years, 13 hours, 39 minutes.
  • To count from 1 to 128,521,998,308,340 would take you about ten million, two hundred sixteen thousand, five hundred five 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 128521998308340 cubic inches would be around 4205.4 feet tall.

Recreational maths with 128521998308340

  • 128521998308340 backwards is 043803899125821
  • 128521998308340 is a Harshad number.
  • The number of decimal digits it has is: 15
  • The sum of 128521998308340's digits is 63
  • More coming soon!

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"Number 128521998308340 - Facts about the integer". Numbermatics.com. 2024. Web. 12 June 2024.

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Numbermatics. (2024). Number 128521998308340 - Facts about the integer. Retrieved 12 June 2024, from https://numbermatics.com/n/128521998308340/

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Numbermatics. 2024. "Number 128521998308340 - Facts about the integer". https://numbermatics.com/n/128521998308340/

The information we have on file for 128521998308340 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 128521998308340, math, Factors of 128521998308340, curriculum, school, college, exams, university, Prime factorization of 128521998308340, STEM, science, technology, engineering, physics, economics, calculator, one hundred twenty-eight trillion, five hundred twenty-one billion, nine hundred ninety-eight million, three hundred eight thousand, three hundred forty.

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