385728

385,728 is an even composite number composed of four prime numbers multiplied together.

What does the number 385728 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 84 divisors.

385728 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of eighty-four divisors.

Prime factorization of 385728:

26 × 3 × 72 × 41

(2 × 2 × 2 × 2 × 2 × 2 × 3 × 7 × 7 × 41)

See below for interesting mathematical facts about the number 385728 from the Numbermatics database.


Names of 385728

  • Cardinal: 385728 can be written as Three hundred eighty-five thousand, seven hundred twenty-eight.

Scientific notation

  • Scientific notation: 3.85728 × 105

Factors of 385728

  • Number of distinct prime factors ω(n): 4
  • Total number of prime factors Ω(n): 10
  • Sum of prime factors: 53

Divisors of 385728

Bases of 385728

  • Binary: 10111100010110000002
  • Hexadecimal: 0x5E2C0
  • Base-36: 89MO

Squares and roots of 385728

  • 385728 squared (3857282) is 148786089984
  • 385728 cubed (3857283) is 57390960917348352
  • The square root of 385728 is 621.0700443591
  • The cube root of 385728 is 72.7936878157

Scales and comparisons

How big is 385728?
  • 385,728 seconds is equal to 4 days, 11 hours, 8 minutes, 48 seconds.
  • To count from 1 to 385,728 would take you about four days.

    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 385728 cubic inches would be around 6.1 feet tall.

Recreational maths with 385728

  • 385728 backwards is 827583
  • The number of decimal digits it has is: 6
  • The sum of 385728's digits is 33
  • More coming soon!

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"Number 385728 - Facts about the integer". Numbermatics.com. 2020. Web. 6 April 2020.

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Numbermatics. (2020). Number 385728 - Facts about the integer. Retrieved 6 April 2020, from https://numbermatics.com/n/385728/

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The information we have on file for 385728 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 385728, math, Factors of 385728, curriculum, school, college, exams, university, Prime factorization of 385728, STEM, science, technology, engineering, physics, economics, calculator, three hundred eighty-five thousand, seven hundred twenty-eight.