72220

72,220 is an even composite number composed of four prime numbers multiplied together.

What does the number 72220 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 24 divisors.

72220 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of twenty-four divisors.

Prime factorization of 72220:

2² × 5 × 23 × 157

(2 × 2 × 5 × 23 × 157)

See below for interesting mathematical facts about the number 72220 from the Numbermatics database.

Names of 72220

Cardinal: 72220 can be written as Seventy-two thousand, two hundred twenty.

Scientific notation

Scientific notation: 7.222 × 10⁴

Factors of 72220

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 5
Sum of prime factors: 187

Divisors of 72220

Number of divisors d(n): 24
Complete list of divisors:
1 2 4 5 10 20 23 46 92 115 157 230 314 460 628 785 1570 3140 3611 7222 14444 18055 36110 72220
Sum of all divisors σ(n): 159264
Sum of proper divisors (its aliquot sum) s(n): 87044
72220 is an abundant number, because the sum of its proper divisors (87044) is greater than itself. Its abundance is 14824

Bases of 72220

Binary: 10001101000011100₂
Hexadecimal: 0x11A1C
Base-36: 1JQ4

Squares and roots of 72220

72220 squared (72220²) is 5215728400
72220 cubed (72220³) is 376679905048000
The square root of 72220 is 268.7377904205
The cube root of 72220 is 41.6440054553

Scales and comparisons

How big is 72220?

72,220 seconds is equal to 20 hours, 3 minutes, 40 seconds.
To count from 1 to 72,220 would take you about twenty 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 72220 cubic inches would be around 3.5 feet tall.

Recreational maths with 72220

72220 backwards is 02227
The number of decimal digits it has is: 5
The sum of 72220's digits is 13
More coming soon!

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The information we have on file for 72220 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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