2261

2,261 is an odd composite number composed of three prime numbers multiplied together.

What does the number 2261 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 8 divisors.

2261 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eight divisors.

Prime factorization of 2261:

7 × 17 × 19

See below for interesting mathematical facts about the number 2261 from the Numbermatics database.


Names of 2261

  • Cardinal: 2261 can be written as Two thousand, two hundred sixty-one.

Scientific notation

  • Scientific notation: 2.261 × 103

Factors of 2261

  • Number of distinct prime factors ω(n): 3
  • Total number of prime factors Ω(n): 3
  • Sum of prime factors: 43

Divisors of 2261

  • Number of divisors d(n): 8
  • Complete list of divisors:
  • Sum of all divisors σ(n): 2880
  • Sum of proper divisors (its aliquot sum) s(n): 619
  • 2261 is a deficient number, because the sum of its proper divisors (619) is less than itself. Its deficiency is 1642

Bases of 2261

  • Binary: 1000110101012
  • Hexadecimal: 0x8D5
  • Base-36: 1QT

Squares and roots of 2261

  • 2261 squared (22612) is 5112121
  • 2261 cubed (22613) is 11558505581
  • The square root of 2261 is 47.5499737119
  • The cube root of 2261 is 13.1250264549

Scales and comparisons

How big is 2261?
  • 2,261 seconds is equal to 37 minutes, 41 seconds.
  • To count from 1 to 2,261 would take you about thirty-seven 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 2261 cubic inches would be around 1.1 feet tall.

Recreational maths with 2261

  • 2261 backwards is 1622
  • The number of decimal digits it has is: 4
  • The sum of 2261's digits is 11
  • More coming soon!

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"Number 2261 - Facts about the integer". Numbermatics.com. 2024. Web. 21 July 2024.

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Numbermatics. (2024). Number 2261 - Facts about the integer. Retrieved 21 July 2024, from https://numbermatics.com/n/2261/

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The information we have on file for 2261 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 2261, math, Factors of 2261, curriculum, school, college, exams, university, Prime factorization of 2261, STEM, science, technology, engineering, physics, economics, calculator, two thousand, two hundred sixty-one.

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