1808

1,808 is an even composite number composed of two prime numbers multiplied together.

What does the number 1808 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 10 divisors.

1808 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of ten divisors.

Prime factorization of 1808:

24 × 113

(2 × 2 × 2 × 2 × 113)

See below for interesting mathematical facts about the number 1808 from the Numbermatics database.


Names of 1808

  • Cardinal: 1808 can be written as One thousand, eight hundred eight.

Scientific notation

  • Scientific notation: 1.808 × 103

Factors of 1808

  • Number of distinct prime factors ω(n): 2
  • Total number of prime factors Ω(n): 5
  • Sum of prime factors: 115

Divisors of 1808

  • Number of divisors d(n): 10
  • Complete list of divisors:
  • Sum of all divisors σ(n): 3534
  • Sum of proper divisors (its aliquot sum) s(n): 1726
  • 1808 is a deficient number, because the sum of its proper divisors (1726) is less than itself. Its deficiency is 82

Bases of 1808

  • Binary: 111000100002
  • Hexadecimal: 0x710
  • Base-36: 1E8

Squares and roots of 1808

  • 1808 squared (18082) is 3268864
  • 1808 cubed (18083) is 5910106112
  • The square root of 1808 is 42.5205832509
  • The cube root of 1808 is 12.1823986979

Scales and comparisons

How big is 1808?
  • 1,808 seconds is equal to 30 minutes, 8 seconds.
  • To count from 1 to 1,808 would take you about thirty 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 1808 cubic inches would be around 1 feet tall.

Recreational maths with 1808

  • 1808 backwards is 8081
  • The number of decimal digits it has is: 4
  • The sum of 1808's digits is 17
  • More coming soon!

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"Number 1808 - Facts about the integer". Numbermatics.com. 2022. Web. 21 January 2022.

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Numbermatics. (2022). Number 1808 - Facts about the integer. Retrieved 21 January 2022, from https://numbermatics.com/n/1808/

Chicago style:
Numbermatics. 2022. "Number 1808 - Facts about the integer". https://numbermatics.com/n/1808/

The information we have on file for 1808 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 1808, math, Factors of 1808, curriculum, school, college, exams, university, Prime factorization of 1808, STEM, science, technology, engineering, physics, economics, calculator, one thousand, eight hundred eight.

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