15420638498487040

15,420,638,498,487,040 is an even composite number composed of seven prime numbers multiplied together.

What does the number 15420638498487040 look like?

This visualization shows the relationship between its 7 prime factors (large circles) and 2592 divisors.

15420638498487040 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of two thousand, five hundred ninety-two divisors.

Prime factorization of 15420638498487040:

28 × 5 × 7 × 13 × 232 × 412 × 533

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 13 × 23 × 23 × 41 × 41 × 53 × 53 × 53)

See below for interesting mathematical facts about the number 15420638498487040 from the Numbermatics database.


Names of 15420638498487040

  • Cardinal: 15420638498487040 can be written as Fifteen quadrillion, four hundred twenty trillion, six hundred thirty-eight billion, four hundred ninety-eight million, four hundred eighty-seven thousand and forty.

Scientific notation

  • Scientific notation: 1.542063849848704 × 1016

Factors of 15420638498487040

  • Number of distinct prime factors ω(n): 7
  • Total number of prime factors Ω(n): 18
  • Sum of prime factors: 144

Divisors of 15420638498487040

Bases of 15420638498487040

  • Binary: 1101101100100011111101001011111110100101111011000000002
  • Hexadecimal: 0x36C8FD2FE97B00
  • Base-36: 47U5RJ0WTTS

Squares and roots of 15420638498487040

  • 15420638498487040 squared (154206384984870402) is 237796091701020631552369047961600
  • 15420638498487040 cubed (154206384984870403) is 3666967566474513265310800732491523206796017664000
  • The square root of 15420638498487040 is 124179863.4984232863
  • The cube root of 15420638498487040 is 248905.2853884403

Scales and comparisons

How big is 15420638498487040?
  • 15,420,638,498,487,040 seconds is equal to 490,328,605 years, 4 weeks, 3 days, 10 minutes, 40 seconds.
  • To count from 1 to 15,420,638,498,487,040 would take you about one billion, four hundred seventy million, nine hundred eighty-five thousand, eight hundred fifteen 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 15420638498487040 cubic inches would be around 20742.1 feet tall.

Recreational maths with 15420638498487040

  • 15420638498487040 backwards is 04078489483602451
  • The number of decimal digits it has is: 17
  • The sum of 15420638498487040's digits is 73
  • More coming soon!

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"Number 15420638498487040 - Facts about the integer". Numbermatics.com. 2024. Web. 14 May 2024.

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Numbermatics. (2024). Number 15420638498487040 - Facts about the integer. Retrieved 14 May 2024, from https://numbermatics.com/n/15420638498487040/

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Numbermatics. 2024. "Number 15420638498487040 - Facts about the integer". https://numbermatics.com/n/15420638498487040/

The information we have on file for 15420638498487040 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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