2691

2,691 is an odd composite number composed of three prime numbers multiplied together.

What does the number 2691 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 12 divisors.

2691 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

Prime factorization of 2691:

32 × 13 × 23

(3 × 3 × 13 × 23)

See below for interesting mathematical facts about the number 2691 from the Numbermatics database.


Names of 2691

  • Cardinal: 2691 can be written as Two thousand, six hundred ninety-one.

Scientific notation

  • Scientific notation: 2.691 × 103

Factors of 2691

  • Number of distinct prime factors ω(n): 3
  • Total number of prime factors Ω(n): 4
  • Sum of prime factors: 39

Divisors of 2691

  • Number of divisors d(n): 12
  • Complete list of divisors:
  • Sum of all divisors σ(n): 4368
  • Sum of proper divisors (its aliquot sum) s(n): 1677
  • 2691 is a deficient number, because the sum of its proper divisors (1677) is less than itself. Its deficiency is 1014

Bases of 2691

  • Binary: 1010100000112
  • Hexadecimal: 0xA83
  • Base-36: 22R

Squares and roots of 2691

  • 2691 squared (26912) is 7241481
  • 2691 cubed (26913) is 19486825371
  • The square root of 2691 is 51.8748493973
  • The cube root of 2691 is 13.9092773151

Scales and comparisons

How big is 2691?
  • 2,691 seconds is equal to 44 minutes, 51 seconds.
  • To count from 1 to 2,691 would take you about forty-four minutes.

    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 2691 cubic inches would be around 1.2 feet tall.

Recreational maths with 2691

  • 2691 backwards is 1962
  • The number of decimal digits it has is: 4
  • The sum of 2691's digits is 18
  • More coming soon!

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"Number 2691 - Facts about the integer". Numbermatics.com. 2024. Web. 21 July 2024.

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Numbermatics. (2024). Number 2691 - Facts about the integer. Retrieved 21 July 2024, from https://numbermatics.com/n/2691/

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The information we have on file for 2691 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 2691, math, Factors of 2691, curriculum, school, college, exams, university, Prime factorization of 2691, STEM, science, technology, engineering, physics, economics, calculator, two thousand, six hundred ninety-one.

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