28440640

28,440,640 is an even composite number composed of five prime numbers multiplied together.

What does the number 28440640 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 112 divisors.

28440640 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twelve divisors.

Prime factorization of 28440640:

26 × 5 × 31 × 47 × 61

(2 × 2 × 2 × 2 × 2 × 2 × 5 × 31 × 47 × 61)

See below for interesting mathematical facts about the number 28440640 from the Numbermatics database.


Names of 28440640

  • Cardinal: 28440640 can be written as Twenty-eight million, four hundred forty thousand, six hundred forty.

Scientific notation

  • Scientific notation: 2.844064 × 107

Factors of 28440640

  • Number of distinct prime factors ω(n): 5
  • Total number of prime factors Ω(n): 10
  • Sum of prime factors: 146

Divisors of 28440640

Bases of 28440640

  • Binary: 11011000111111000010000002
  • Hexadecimal: 0x1B1F840
  • Base-36: GXKXS

Squares and roots of 28440640

  • 28440640 squared (284406402) is 808870003609600
  • 28440640 cubed (284406403) is 23004780579459334144000
  • The square root of 28440640 is 5332.9766547399
  • The cube root of 28440640 is 305.2435213605

Scales and comparisons

How big is 28440640?
  • 28,440,640 seconds is equal to 47 weeks, 4 hours, 10 minutes, 40 seconds.
  • To count from 1 to 28,440,640 would take you about eighteen weeks!

    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 28440640 cubic inches would be around 25.4 feet tall.

Recreational maths with 28440640

  • 28440640 backwards is 04604482
  • The number of decimal digits it has is: 8
  • The sum of 28440640's digits is 28
  • More coming soon!

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"Number 28440640 - Facts about the integer". Numbermatics.com. 2024. Web. 29 March 2024.

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Numbermatics. (2024). Number 28440640 - Facts about the integer. Retrieved 29 March 2024, from https://numbermatics.com/n/28440640/

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Numbermatics. 2024. "Number 28440640 - Facts about the integer". https://numbermatics.com/n/28440640/

The information we have on file for 28440640 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 28440640, math, Factors of 28440640, curriculum, school, college, exams, university, Prime factorization of 28440640, STEM, science, technology, engineering, physics, economics, calculator, twenty-eight million, four hundred forty thousand, six hundred forty.

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