145728

145,728 is an even composite number composed of four prime numbers multiplied together.

What does the number 145728 look like?

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

145728 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 145728:

26 × 32 × 11 × 23

(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 11 × 23)

See below for interesting mathematical facts about the number 145728 from the Numbermatics database.


Names of 145728

  • Cardinal: 145728 can be written as One hundred forty-five thousand, seven hundred twenty-eight.

Scientific notation

  • Scientific notation: 1.45728 × 105

Factors of 145728

  • Number of distinct prime factors ω(n): 4
  • Total number of prime factors Ω(n): 10
  • Sum of prime factors: 39

Divisors of 145728

Bases of 145728

  • Binary: 1000111001010000002
  • Hexadecimal: 0x23940
  • Base-36: 34G0

Squares and roots of 145728

  • 145728 squared (1457282) is 21236649984
  • 145728 cubed (1457283) is 3094774528868352
  • The square root of 145728 is 381.7433692939
  • The cube root of 145728 is 52.6236541051

Scales and comparisons

How big is 145728?
  • 145,728 seconds is equal to 1 day, 16 hours, 28 minutes, 48 seconds.
  • To count from 1 to 145,728 would take you about sixteen 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 145728 cubic inches would be around 4.4 feet tall.

Recreational maths with 145728

  • 145728 backwards is 827541
  • The number of decimal digits it has is: 6
  • The sum of 145728's digits is 27
  • More coming soon!

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"Number 145728 - Facts about the integer". Numbermatics.com. 2024. Web. 28 March 2024.

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Numbermatics. (2024). Number 145728 - Facts about the integer. Retrieved 28 March 2024, from https://numbermatics.com/n/145728/

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Numbermatics. 2024. "Number 145728 - Facts about the integer". https://numbermatics.com/n/145728/

The information we have on file for 145728 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 145728, math, Factors of 145728, curriculum, school, college, exams, university, Prime factorization of 145728, STEM, science, technology, engineering, physics, economics, calculator, one hundred forty-five thousand, seven hundred twenty-eight.

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