72891

72,891 is an odd composite number composed of four prime numbers multiplied together.

What does the number 72891 look like?

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

72891 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of twenty-four divisors.

Prime factorization of 72891:

3² × 7 × 13 × 89

(3 × 3 × 7 × 13 × 89)

See below for interesting mathematical facts about the number 72891 from the Numbermatics database.

Names of 72891

Cardinal: 72891 can be written as Seventy-two thousand, eight hundred ninety-one.

Scientific notation

Scientific notation: 7.2891 × 10⁴

Factors of 72891

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 5
Sum of prime factors: 112

Divisors of 72891

Number of divisors d(n): 24
Complete list of divisors:
1 3 7 9 13 21 39 63 89 91 117 267 273 623 801 819 1157 1869 3471 5607 8099 10413 24297 72891
Sum of all divisors σ(n): 131040
Sum of proper divisors (its aliquot sum) s(n): 58149
72891 is a deficient number, because the sum of its proper divisors (58149) is less than itself. Its deficiency is 14742

Bases of 72891

Binary: 10001110010111011₂
Hexadecimal: 0x11CBB
Base-36: 1K8R

Squares and roots of 72891

72891 squared (72891²) is 5313097881
72891 cubed (72891³) is 387277017643971
The square root of 72891 is 269.9833328189
The cube root of 72891 is 41.7725803247

Scales and comparisons

How big is 72891?

72,891 seconds is equal to 20 hours, 14 minutes, 51 seconds.
To count from 1 to 72,891 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 72891 cubic inches would be around 3.5 feet tall.

Recreational maths with 72891

72891 backwards is 19827
The number of decimal digits it has is: 5
The sum of 72891's digits is 27
More coming soon!

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The information we have on file for 72891 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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