1,641 is an odd composite number composed of two prime numbers multiplied together.

What does the number 1641 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 4 divisors.

1641 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.

Prime factorization of 1641:

3 × 547

See below for interesting mathematical facts about the number 1641 from the Numbermatics database.

Names of 1641

  • Cardinal: 1641 can be written as One thousand, six hundred forty-one.

Scientific notation

  • Scientific notation: 1.641 × 103

Factors of 1641

  • Number of distinct prime factors ω(n): 2
  • Total number of prime factors Ω(n): 2
  • Sum of prime factors: 550

Divisors of 1641

  • Number of divisors d(n): 4
  • Complete list of divisors:
  • Sum of all divisors σ(n): 2192
  • Sum of proper divisors (its aliquot sum) s(n): 551
  • 1641 is a deficient number, because the sum of its proper divisors (551) is less than itself. Its deficiency is 1090

Bases of 1641

  • Binary: 110011010012
  • Hexadecimal: 0x669
  • Base-36: 19L

Squares and roots of 1641

  • 1641 squared (16412) is 2692881
  • 1641 cubed (16413) is 4419017721
  • The square root of 1641 is 40.5092582011
  • The cube root of 1641 is 11.7951334907

Scales and comparisons

How big is 1641?
  • 1,641 seconds is equal to 27 minutes, 21 seconds.
  • To count from 1 to 1,641 would take you about twenty-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 1641 cubic inches would be around 1 feet tall.

Recreational maths with 1641

  • 1641 backwards is 1461
  • The number of decimal digits it has is: 4
  • The sum of 1641's digits is 12
  • More coming soon!

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"Number 1641 - Facts about the integer". Numbermatics.com. 2022. Web. 17 January 2022.

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Numbermatics. (2022). Number 1641 - Facts about the integer. Retrieved 17 January 2022, from https://numbermatics.com/n/1641/

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The information we have on file for 1641 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 1641, math, Factors of 1641, curriculum, school, college, exams, university, Prime factorization of 1641, STEM, science, technology, engineering, physics, economics, calculator, one thousand, six hundred forty-one.

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