72912231

72,912,231 is an odd composite number composed of four prime numbers multiplied together.

What does the number 72912231 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 40 divisors.

72912231 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty divisors.

Prime factorization of 72912231:

3⁴ × 7 × 23 × 5591

(3 × 3 × 3 × 3 × 7 × 23 × 5591)

See below for interesting mathematical facts about the number 72912231 from the Numbermatics database.

Names of 72912231

Cardinal: 72912231 can be written as Seventy-two million, nine hundred twelve thousand, two hundred thirty-one.

Scientific notation

Scientific notation: 7.2912231 × 10⁷

Factors of 72912231

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 7
Sum of prime factors: 5624

Divisors of 72912231

Number of divisors d(n): 40
Complete list of divisors:
1 3 7 9 21 23 27 63 69 81 161 189 207 483 567 621 1449 1863 4347 5591 13041 16773 39137 50319 117411 128593 150957 352233 385779 452871 900151 1056699 1157337 2700453 3170097 3472011 8101359 10416033 24304077 72912231
Sum of all divisors σ(n): 129913344
Sum of proper divisors (its aliquot sum) s(n): 57001113
72912231 is a deficient number, because the sum of its proper divisors (57001113) is less than itself. Its deficiency is 15911118

Bases of 72912231

Binary: 100010110001000110101100111₂
Hexadecimal: 0x4588D67
Base-36: 17ERFR

Squares and roots of 72912231

72912231 squared (72912231²) is 5316193429397361
72912231 cubed (72912231³) is 387615523364902576022391
The square root of 72912231 is 8538.8659083043
The cube root of 72912231 is 417.7663563825

Scales and comparisons

How big is 72912231?

72,912,231 seconds is equal to 2 years, 16 weeks, 3 days, 21 hours, 23 minutes, 51 seconds.
To count from 1 to 72,912,231 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 72912231 cubic inches would be around 34.8 feet tall.

Recreational maths with 72912231

72912231 backwards is 13221927
72912231 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 72912231's digits is 27
More coming soon!

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The information we have on file for 72912231 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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