72138506

72,138,506 is an even composite number composed of three prime numbers multiplied together.

What does the number 72138506 look like?

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

72138506 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

Prime factorization of 72138506:

2 × 11² × 298093

(2 × 11 × 11 × 298093)

See below for interesting mathematical facts about the number 72138506 from the Numbermatics database.

Names of 72138506

Cardinal: 72138506 can be written as Seventy-two million, one hundred thirty-eight thousand, five hundred six.

Scientific notation

Scientific notation: 7.2138506 × 10⁷

Factors of 72138506

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 298106

Divisors of 72138506

Number of divisors d(n): 12
Complete list of divisors:
1 2 11 22 121 242 298093 596186 3279023 6558046 36069253 72138506
Sum of all divisors σ(n): 118939506
Sum of proper divisors (its aliquot sum) s(n): 46801000
72138506 is a deficient number, because the sum of its proper divisors (46801000) is less than itself. Its deficiency is 25337506

Bases of 72138506

Binary: 100010011001011111100001010₂
Hexadecimal: 0x44CBF0A
Base-36: 16Y6FE

Squares and roots of 72138506

72138506 squared (72138506²) is 5203964047912036
72138506 cubed (72138506³) is 375406191694086696458216
The square root of 72138506 is 8493.4389972495
The cube root of 72138506 is 416.2833567825

Scales and comparisons

How big is 72138506?

72,138,506 seconds is equal to 2 years, 15 weeks, 1 day, 22 hours, 28 minutes, 26 seconds.
To count from 1 to 72,138,506 would take you about three years!

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 72138506 cubic inches would be around 34.7 feet tall.

Recreational maths with 72138506

72138506 backwards is 60583127
The number of decimal digits it has is: 8
The sum of 72138506's digits is 32
More coming soon!

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The information we have on file for 72138506 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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