72738

72,738 is an even composite number composed of three prime numbers multiplied together.

What does the number 72738 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 20 divisors.

72738 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twenty divisors.

Prime factorization of 72738:

2 × 3⁴ × 449

(2 × 3 × 3 × 3 × 3 × 449)

See below for interesting mathematical facts about the number 72738 from the Numbermatics database.

Names of 72738

Cardinal: 72738 can be written as Seventy-two thousand, seven hundred thirty-eight.

Scientific notation

Scientific notation: 7.2738 × 10⁴

Factors of 72738

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 6
Sum of prime factors: 454

Divisors of 72738

Number of divisors d(n): 20
Complete list of divisors:
1 2 3 6 9 18 27 54 81 162 449 898 1347 2694 4041 8082 12123 24246 36369 72738
Sum of all divisors σ(n): 163350
Sum of proper divisors (its aliquot sum) s(n): 90612
72738 is an abundant number, because the sum of its proper divisors (90612) is greater than itself. Its abundance is 17874

Bases of 72738

Binary: 10001110000100010₂
Hexadecimal: 0x11C22
Base-36: 1K4I

Squares and roots of 72738

72738 squared (72738²) is 5290816644
72738 cubed (72738³) is 384843421051272
The square root of 72738 is 269.6998331479
The cube root of 72738 is 41.7433326271

Scales and comparisons

How big is 72738?

72,738 seconds is equal to 20 hours, 12 minutes, 18 seconds.
To count from 1 to 72,738 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 72738 cubic inches would be around 3.5 feet tall.

Recreational maths with 72738

72738 backwards is 83727
72738 is a Harshad number.
The number of decimal digits it has is: 5
The sum of 72738's digits is 27
More coming soon!

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The information we have on file for 72738 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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