1819

1,819 is an odd composite number composed of two prime numbers multiplied together.

What does the number 1819 look like?

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

1819 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 1819:

17 × 107

See below for interesting mathematical facts about the number 1819 from the Numbermatics database.


Names of 1819

  • Cardinal: 1819 can be written as One thousand, eight hundred nineteen.

Scientific notation

  • Scientific notation: 1.819 × 103

Factors of 1819

  • Number of distinct prime factors ω(n): 2
  • Total number of prime factors Ω(n): 2
  • Sum of prime factors: 124

Divisors of 1819

  • Number of divisors d(n): 4
  • Complete list of divisors:
  • Sum of all divisors σ(n): 1944
  • Sum of proper divisors (its aliquot sum) s(n): 125
  • 1819 is a deficient number, because the sum of its proper divisors (125) is less than itself. Its deficiency is 1694

Bases of 1819

  • Binary: 111000110112
  • Hexadecimal: 0x71B
  • Base-36: 1EJ

Squares and roots of 1819

  • 1819 squared (18192) is 3308761
  • 1819 cubed (18193) is 6018636259
  • The square root of 1819 is 42.6497362243
  • The cube root of 1819 is 12.2070549539

Scales and comparisons

How big is 1819?
  • 1,819 seconds is equal to 30 minutes, 19 seconds.
  • To count from 1 to 1,819 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 1819 cubic inches would be around 1 feet tall.

Recreational maths with 1819

  • 1819 backwards is 9181
  • The number of decimal digits it has is: 4
  • The sum of 1819's digits is 19
  • More coming soon!

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"Number 1819 - Facts about the integer". Numbermatics.com. 2020. Web. 30 October 2020.

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The information we have on file for 1819 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!

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