72156

72,156 is an even composite number composed of four prime numbers multiplied together.

What does the number 72156 look like?

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

72156 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 72156:

2² × 3 × 7 × 859

(2 × 2 × 3 × 7 × 859)

See below for interesting mathematical facts about the number 72156 from the Numbermatics database.

Names of 72156

Cardinal: 72156 can be written as Seventy-two thousand, one hundred fifty-six.

Scientific notation

Scientific notation: 7.2156 × 10⁴

Factors of 72156

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 5
Sum of prime factors: 871

Divisors of 72156

Number of divisors d(n): 24
Complete list of divisors:
1 2 3 4 6 7 12 14 21 28 42 84 859 1718 2577 3436 5154 6013 10308 12026 18039 24052 36078 72156
Sum of all divisors σ(n): 192640
Sum of proper divisors (its aliquot sum) s(n): 120484
72156 is an abundant number, because the sum of its proper divisors (120484) is greater than itself. Its abundance is 48328

Bases of 72156

Binary: 10001100111011100₂
Hexadecimal: 0x119DC
Base-36: 1JOC

Squares and roots of 72156

72156 squared (72156²) is 5206488336
72156 cubed (72156³) is 375679372372416
The square root of 72156 is 268.6186888509
The cube root of 72156 is 41.6317004427

Scales and comparisons

How big is 72156?

72,156 seconds is equal to 20 hours, 2 minutes, 36 seconds.
To count from 1 to 72,156 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 72156 cubic inches would be around 3.5 feet tall.

Recreational maths with 72156

72156 backwards is 65127
72156 is a Harshad number.
The number of decimal digits it has is: 5
The sum of 72156's digits is 21
More coming soon!

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The information we have on file for 72156 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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