72138663

72,138,663 is an odd composite number composed of three prime numbers multiplied together.

What does the number 72138663 look like?

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

72138663 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

Prime factorization of 72138663:

3² × 461 × 17387

(3 × 3 × 461 × 17387)

See below for interesting mathematical facts about the number 72138663 from the Numbermatics database.

Names of 72138663

Cardinal: 72138663 can be written as Seventy-two million, one hundred thirty-eight thousand, six hundred sixty-three.

Scientific notation

Scientific notation: 7.2138663 × 10⁷

Factors of 72138663

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 17851

Divisors of 72138663

Number of divisors d(n): 12
Complete list of divisors:
1 3 9 461 1383 4149 17387 52161 156483 8015407 24046221 72138663
Sum of all divisors σ(n): 104432328
Sum of proper divisors (its aliquot sum) s(n): 32293665
72138663 is a deficient number, because the sum of its proper divisors (32293665) is less than itself. Its deficiency is 39844998

Bases of 72138663

Binary: 100010011001011111110100111₂
Hexadecimal: 0x44CBFA7
Base-36: 16Y6JR

Squares and roots of 72138663

72138663 squared (72138663²) is 5203986699427569
72138663 cubed (72138663³) is 375408642766487693000247
The square root of 72138663 is 8493.4482396727
The cube root of 72138663 is 416.2836587775

Scales and comparisons

How big is 72138663?

72,138,663 seconds is equal to 2 years, 15 weeks, 1 day, 22 hours, 31 minutes, 3 seconds.
To count from 1 to 72,138,663 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 72138663 cubic inches would be around 34.7 feet tall.

Recreational maths with 72138663

72138663 backwards is 36683127
The number of decimal digits it has is: 8
The sum of 72138663's digits is 36
More coming soon!

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The information we have on file for 72138663 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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