123728

123,728 is an even composite number composed of four prime numbers multiplied together.

What does the number 123728 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 40 divisors.

123728 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty divisors.

Prime factorization of 123728:

24 × 11 × 19 × 37

(2 × 2 × 2 × 2 × 11 × 19 × 37)

See below for interesting mathematical facts about the number 123728 from the Numbermatics database.


Names of 123728

  • Cardinal: 123728 can be written as One hundred twenty-three thousand, seven hundred twenty-eight.

Scientific notation

  • Scientific notation: 1.23728 × 105

Factors of 123728

  • Number of distinct prime factors ω(n): 4
  • Total number of prime factors Ω(n): 7
  • Sum of prime factors: 69

Divisors of 123728

Bases of 123728

  • Binary: 111100011010100002
  • Hexadecimal: 0x1E350
  • Base-36: 2NGW

Squares and roots of 123728

  • 123728 squared (1237282) is 15308617984
  • 123728 cubed (1237283) is 1894104685924352
  • The square root of 123728 is 351.7499111585
  • The cube root of 123728 is 49.8298214423

Scales and comparisons

How big is 123728?
  • 123,728 seconds is equal to 1 day, 10 hours, 22 minutes, 8 seconds.
  • To count from 1 to 123,728 would take you about ten hours.

    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 123728 cubic inches would be around 4.2 feet tall.

Recreational maths with 123728

  • 123728 backwards is 827321
  • The number of decimal digits it has is: 6
  • The sum of 123728's digits is 23
  • More coming soon!

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"Number 123728 - Facts about the integer". Numbermatics.com. 2024. Web. 29 March 2024.

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Numbermatics. (2024). Number 123728 - Facts about the integer. Retrieved 29 March 2024, from https://numbermatics.com/n/123728/

Chicago style:
Numbermatics. 2024. "Number 123728 - Facts about the integer". https://numbermatics.com/n/123728/

The information we have on file for 123728 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 123728, math, Factors of 123728, curriculum, school, college, exams, university, Prime factorization of 123728, STEM, science, technology, engineering, physics, economics, calculator, one hundred twenty-three thousand, seven hundred twenty-eight.

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