3,820 is an even composite number composed of three prime numbers multiplied together.

What does the number 3820 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 12 divisors.

3820 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

Prime factorization of 3820:

22 × 5 × 191

(2 × 2 × 5 × 191)

See below for interesting mathematical facts about the number 3820 from the Numbermatics database.

Names of 3820

  • Cardinal: 3820 can be written as Three thousand, eight hundred twenty.

Scientific notation

  • Scientific notation: 3.82 × 103

Factors of 3820

  • Number of distinct prime factors ω(n): 3
  • Total number of prime factors Ω(n): 4
  • Sum of prime factors: 198

Divisors of 3820

  • Number of divisors d(n): 12
  • Complete list of divisors:
  • Sum of all divisors σ(n): 8064
  • Sum of proper divisors (its aliquot sum) s(n): 4244
  • 3820 is an abundant number, because the sum of its proper divisors (4244) is greater than itself. Its abundance is 424

Bases of 3820

  • Binary: 1110111011002
  • Hexadecimal: 0xEEC
  • Base-36: 2Y4

Squares and roots of 3820

  • 3820 squared (38202) is 14592400
  • 3820 cubed (38203) is 55742968000
  • The square root of 3820 is 61.8061485615
  • The cube root of 3820 is 15.6322366479

Scales and comparisons

How big is 3820?
  • 3,820 seconds is equal to 1 hour, 3 minutes, 40 seconds.
  • To count from 1 to 3,820 would take you about three 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 3820 cubic inches would be around 1.3 feet tall.

Recreational maths with 3820

  • 3820 backwards is 0283
  • The number of decimal digits it has is: 4
  • The sum of 3820's digits is 13
  • More coming soon!

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"Number 3820 - Facts about the integer". Numbermatics.com. 2022. Web. 10 December 2022.

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Numbermatics. (2022). Number 3820 - Facts about the integer. Retrieved 10 December 2022, from https://numbermatics.com/n/3820/

Chicago style:
Numbermatics. 2022. "Number 3820 - Facts about the integer". https://numbermatics.com/n/3820/

The information we have on file for 3820 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 3820, math, Factors of 3820, curriculum, school, college, exams, university, Prime factorization of 3820, STEM, science, technology, engineering, physics, economics, calculator, three thousand, eight hundred twenty.

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