72729126

72,729,126 is an even composite number composed of three prime numbers multiplied together.

What does the number 72729126 look like?

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

72729126 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 72729126:

2 × 3² × 4040507

(2 × 3 × 3 × 4040507)

See below for interesting mathematical facts about the number 72729126 from the Numbermatics database.

Names of 72729126

Cardinal: 72729126 can be written as Seventy-two million, seven hundred twenty-nine thousand, one hundred twenty-six.

Scientific notation

Scientific notation: 7.2729126 × 10⁷

Factors of 72729126

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 4040512

Divisors of 72729126

Number of divisors d(n): 12
Complete list of divisors:
1 2 3 6 9 18 4040507 8081014 12121521 24243042 36364563 72729126
Sum of all divisors σ(n): 157579812
Sum of proper divisors (its aliquot sum) s(n): 84850686
72729126 is an abundant number, because the sum of its proper divisors (84850686) is greater than itself. Its abundance is 12121560

Bases of 72729126

Binary: 100010101011100001000100110₂
Hexadecimal: 0x455C226
Base-36: 17AU5I

Squares and roots of 72729126

72729126 squared (72729126²) is 5289525768723876
72729126 cubed (72729126³) is 384702586113765636812376
The square root of 72729126 is 8528.1373112773
The cube root of 72729126 is 417.4163500285

Scales and comparisons

How big is 72729126?

72,729,126 seconds is equal to 2 years, 16 weeks, 1 day, 18 hours, 32 minutes, 6 seconds.
To count from 1 to 72,729,126 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 72729126 cubic inches would be around 34.8 feet tall.

Recreational maths with 72729126

72729126 backwards is 62192727
The number of decimal digits it has is: 8
The sum of 72729126's digits is 36
More coming soon!

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The information we have on file for 72729126 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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