72189

72,189 is an odd composite number composed of three prime numbers multiplied together.

What does the number 72189 look like?

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

72189 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

Prime factorization of 72189:

3² × 13 × 617

(3 × 3 × 13 × 617)

See below for interesting mathematical facts about the number 72189 from the Numbermatics database.

Names of 72189

Cardinal: 72189 can be written as Seventy-two thousand, one hundred eighty-nine.

Scientific notation

Scientific notation: 7.2189 × 10⁴

Factors of 72189

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 633

Divisors of 72189

Number of divisors d(n): 12
Complete list of divisors:
1 3 9 13 39 117 617 1851 5553 8021 24063 72189
Sum of all divisors σ(n): 112476
Sum of proper divisors (its aliquot sum) s(n): 40287
72189 is a deficient number, because the sum of its proper divisors (40287) is less than itself. Its deficiency is 31902

Bases of 72189

Binary: 10001100111111101₂
Hexadecimal: 0x119FD
Base-36: 1JP9

Squares and roots of 72189

72189 squared (72189²) is 5211251721
72189 cubed (72189³) is 376195050487269
The square root of 72189 is 268.6801071907
The cube root of 72189 is 41.6380461231

Scales and comparisons

How big is 72189?

72,189 seconds is equal to 20 hours, 3 minutes, 9 seconds.
To count from 1 to 72,189 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 72189 cubic inches would be around 3.5 feet tall.

Recreational maths with 72189

72189 backwards is 98127
The number of decimal digits it has is: 5
The sum of 72189's digits is 27
More coming soon!

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The information we have on file for 72189 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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