81072

81,072 is an even composite number composed of three prime numbers multiplied together.

What does the number 81072 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 30 divisors.

81072 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of thirty divisors.

Prime factorization of 81072:

2⁴ × 3² × 563

(2 × 2 × 2 × 2 × 3 × 3 × 563)

See below for interesting mathematical facts about the number 81072 from the Numbermatics database.

Names of 81072

Cardinal: 81072 can be written as Eighty-one thousand and seventy-two.

Scientific notation

Scientific notation: 8.1072 × 10⁴

Factors of 81072

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 7
Sum of prime factors: 568

Divisors of 81072

Number of divisors d(n): 30
Complete list of divisors:
1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 563 1126 1689 2252 3378 4504 5067 6756 9008 10134 13512 20268 27024 40536 81072
Sum of all divisors σ(n): 227292
Sum of proper divisors (its aliquot sum) s(n): 146220
81072 is an abundant number, because the sum of its proper divisors (146220) is greater than itself. Its abundance is 65148

Bases of 81072

Binary: 10011110010110000₂
Hexadecimal: 0x13CB0
Base-36: 1QK0

Squares and roots of 81072

81072 squared (81072²) is 6572669184
81072 cubed (81072³) is 532859436085248
The square root of 81072 is 284.7314524249
The cube root of 81072 is 43.2803033089

Scales and comparisons

How big is 81072?

81,072 seconds is equal to 22 hours, 31 minutes, 12 seconds.
To count from 1 to 81,072 would take you about twenty-two 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 81072 cubic inches would be around 3.6 feet tall.

Recreational maths with 81072

81072 backwards is 27018
81072 is a Harshad number.
The number of decimal digits it has is: 5
The sum of 81072's digits is 18
More coming soon!

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The information we have on file for 81072 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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