7,220 is an even composite number composed of three prime numbers multiplied together.

What does the number 7220 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 18 divisors.

7220 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eighteen divisors.

Prime factorization of 7220:

22 × 5 × 192

(2 × 2 × 5 × 19 × 19)

See below for interesting mathematical facts about the number 7220 from the Numbermatics database.

Names of 7220

  • Cardinal: 7220 can be written as Seven thousand, two hundred twenty.

Scientific notation

  • Scientific notation: 7.22 × 103

Factors of 7220

  • Number of distinct prime factors ω(n): 3
  • Total number of prime factors Ω(n): 5
  • Sum of prime factors: 26

Divisors of 7220

  • Number of divisors d(n): 18
  • Complete list of divisors:
  • Sum of all divisors σ(n): 16002
  • Sum of proper divisors (its aliquot sum) s(n): 8782
  • 7220 is an abundant number, because the sum of its proper divisors (8782) is greater than itself. Its abundance is 1562

Bases of 7220

  • Binary: 11100001101002
  • Hexadecimal: 0x1C34
  • Base-36: 5KK

Squares and roots of 7220

  • 7220 squared (72202) is 52128400
  • 7220 cubed (72203) is 376367048000
  • The square root of 7220 is 84.9705831451
  • The cube root of 7220 is 19.3276505957

Scales and comparisons

How big is 7220?
  • 7,220 seconds is equal to 2 hours, 20 seconds.
  • To count from 1 to 7,220 would take you about two hours.

    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 7220 cubic inches would be around 1.6 feet tall.

Recreational maths with 7220

  • 7220 backwards is 0227
  • The number of decimal digits it has is: 4
  • The sum of 7220's digits is 11
  • More coming soon!

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"Number 7220 - Facts about the integer". Numbermatics.com. 2023. Web. 2 June 2023.

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Numbermatics. (2023). Number 7220 - Facts about the integer. Retrieved 2 June 2023, from https://numbermatics.com/n/7220/

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The information we have on file for 7220 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 7220, math, Factors of 7220, curriculum, school, college, exams, university, Prime factorization of 7220, STEM, science, technology, engineering, physics, economics, calculator, seven thousand, two hundred twenty.

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