19965

19,965 is an odd composite number composed of three prime numbers multiplied together.

What does the number 19965 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 16 divisors.

19965 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 19965:

3 × 5 × 113

(3 × 5 × 11 × 11 × 11)

See below for interesting mathematical facts about the number 19965 from the Numbermatics database.


Names of 19965

  • Cardinal: 19965 can be written as Nineteen thousand, nine hundred sixty-five.

Scientific notation

  • Scientific notation: 1.9965 × 104

Factors of 19965

  • Number of distinct prime factors ω(n): 3
  • Total number of prime factors Ω(n): 5
  • Sum of prime factors: 19

Divisors of 19965

  • Number of divisors d(n): 16
  • Complete list of divisors:
  • Sum of all divisors σ(n): 35136
  • Sum of proper divisors (its aliquot sum) s(n): 15171
  • 19965 is a deficient number, because the sum of its proper divisors (15171) is less than itself. Its deficiency is 4794

Bases of 19965

  • Binary: 1001101111111012
  • Hexadecimal: 0x4DFD
  • Base-36: FEL

Squares and roots of 19965

  • 19965 squared (199652) is 398601225
  • 19965 cubed (199653) is 7958073457125
  • The square root of 19965 is 141.2975583655
  • The cube root of 19965 is 27.1283328177

Scales and comparisons

How big is 19965?
  • 19,965 seconds is equal to 5 hours, 32 minutes, 45 seconds.
  • To count from 1 to 19,965 would take you about five 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 19965 cubic inches would be around 2.3 feet tall.

Recreational maths with 19965

  • 19965 backwards is 56991
  • The number of decimal digits it has is: 5
  • The sum of 19965's digits is 30
  • More coming soon!

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"Number 19965 - Facts about the integer". Numbermatics.com. 2024. Web. 29 March 2024.

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Numbermatics. (2024). Number 19965 - Facts about the integer. Retrieved 29 March 2024, from https://numbermatics.com/n/19965/

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Numbermatics. 2024. "Number 19965 - Facts about the integer". https://numbermatics.com/n/19965/

The information we have on file for 19965 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 19965, math, Factors of 19965, curriculum, school, college, exams, university, Prime factorization of 19965, STEM, science, technology, engineering, physics, economics, calculator, nineteen thousand, nine hundred sixty-five.

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