129725

129,725 is an odd composite number composed of two prime numbers multiplied together.

What does the number 129725 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 6 divisors.

129725 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of six divisors.

Prime factorization of 129725:

52 × 5189

(5 × 5 × 5189)

See below for interesting mathematical facts about the number 129725 from the Numbermatics database.


Names of 129725

  • Cardinal: 129725 can be written as One hundred twenty-nine thousand, seven hundred twenty-five.

Scientific notation

  • Scientific notation: 1.29725 × 105

Factors of 129725

  • Number of distinct prime factors ω(n): 2
  • Total number of prime factors Ω(n): 3
  • Sum of prime factors: 5194

Divisors of 129725

  • Number of divisors d(n): 6
  • Complete list of divisors:
  • Sum of all divisors σ(n): 160890
  • Sum of proper divisors (its aliquot sum) s(n): 31165
  • 129725 is a deficient number, because the sum of its proper divisors (31165) is less than itself. Its deficiency is 98560

Bases of 129725

  • Binary: 111111010101111012
  • Hexadecimal: 0x1FABD
  • Base-36: 2S3H

Squares and roots of 129725

  • 129725 squared (1297252) is 16828575625
  • 129725 cubed (1297253) is 2183086972953125
  • The square root of 129725 is 360.1735692691
  • The cube root of 129725 is 50.6222246103

Scales and comparisons

How big is 129725?
  • 129,725 seconds is equal to 1 day, 12 hours, 2 minutes, 5 seconds.
  • To count from 1 to 129,725 would take you about twelve 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 129725 cubic inches would be around 4.2 feet tall.

Recreational maths with 129725

  • 129725 backwards is 527921
  • The number of decimal digits it has is: 6
  • The sum of 129725's digits is 26
  • More coming soon!

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"Number 129725 - Facts about the integer". Numbermatics.com. 2024. Web. 21 July 2024.

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Numbermatics. (2024). Number 129725 - Facts about the integer. Retrieved 21 July 2024, from https://numbermatics.com/n/129725/

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Numbermatics. 2024. "Number 129725 - Facts about the integer". https://numbermatics.com/n/129725/

The information we have on file for 129725 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 129725, math, Factors of 129725, curriculum, school, college, exams, university, Prime factorization of 129725, STEM, science, technology, engineering, physics, economics, calculator, one hundred twenty-nine thousand, seven hundred twenty-five.

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