1563

1,563 is an odd composite number composed of two prime numbers multiplied together.

What does the number 1563 look like?

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

1563 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 1563:

3 × 521

See below for interesting mathematical facts about the number 1563 from the Numbermatics database.


Names of 1563

  • Cardinal: 1563 can be written as One thousand, five hundred sixty-three.

Scientific notation

  • Scientific notation: 1.563 × 103

Factors of 1563

  • Number of distinct prime factors ω(n): 2
  • Total number of prime factors Ω(n): 2
  • Sum of prime factors: 524

Divisors of 1563

  • Number of divisors d(n): 4
  • Complete list of divisors:
  • Sum of all divisors σ(n): 2088
  • Sum of proper divisors (its aliquot sum) s(n): 525
  • 1563 is a deficient number, because the sum of its proper divisors (525) is less than itself. Its deficiency is 1038

Bases of 1563

  • Binary: 110000110112
  • Hexadecimal: 0x61B
  • Base-36: 17F

Squares and roots of 1563

  • 1563 squared (15632) is 2442969
  • 1563 cubed (15633) is 3818360547
  • The square root of 1563 is 39.5347948015
  • The cube root of 1563 is 11.6052097091

Scales and comparisons

How big is 1563?
  • 1,563 seconds is equal to 26 minutes, 3 seconds.
  • To count from 1 to 1,563 would take you about twenty-six 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 1563 cubic inches would be around 1 feet tall.

Recreational maths with 1563

  • 1563 backwards is 3651
  • The number of decimal digits it has is: 4
  • The sum of 1563's digits is 15
  • More coming soon!

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"Number 1563 - Facts about the integer". Numbermatics.com. 2021. Web. 26 October 2021.

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Numbermatics. (2021). Number 1563 - Facts about the integer. Retrieved 26 October 2021, from https://numbermatics.com/n/1563/

Chicago style:
Numbermatics. 2021. "Number 1563 - Facts about the integer". https://numbermatics.com/n/1563/

The information we have on file for 1563 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 1563, math, Factors of 1563, curriculum, school, college, exams, university, Prime factorization of 1563, STEM, science, technology, engineering, physics, economics, calculator, one thousand, five hundred sixty-three.

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