728972272

728,972,272 is an even composite number composed of four prime numbers multiplied together.

What does the number 728972272 look like?

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

728972272 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty divisors.

Prime factorization of 728972272:

2⁴ × 7 × 251 × 25931

(2 × 2 × 2 × 2 × 7 × 251 × 25931)

See below for interesting mathematical facts about the number 728972272 from the Numbermatics database.

Names of 728972272

Cardinal: 728972272 can be written as Seven hundred twenty-eight million, nine hundred seventy-two thousand, two hundred seventy-two.

Scientific notation

Scientific notation: 7.28972272 × 10⁸

Factors of 728972272

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 7
Sum of prime factors: 26191

Divisors of 728972272

Number of divisors d(n): 40
Complete list of divisors:
1 2 4 7 8 14 16 28 56 112 251 502 1004 1757 2008 3514 4016 7028 14056 25931 28112 51862 103724 181517 207448 363034 414896 726068 1452136 2904272 6508681 13017362 26034724 45560767 52069448 91121534 104138896 182243068 364486136 728972272
Sum of all divisors σ(n): 1620646272
Sum of proper divisors (its aliquot sum) s(n): 891674000
728972272 is an abundant number, because the sum of its proper divisors (891674000) is greater than itself. Its abundance is 162701728

Bases of 728972272

Binary: 101011011100110011101111110000₂
Hexadecimal: 0x2B733BF0
Base-36: C20ELS

Squares and roots of 728972272

728972272 squared (728972272²) is 531400573344841984
728972272 cubed (728972272³) is 387376283293292100557467648
The square root of 728972272 is 26999.4865136357
The cube root of 728972272 is 899.9885891557

Scales and comparisons

How big is 728972272?

728,972,272 seconds is equal to 23 years, 9 weeks, 2 days, 4 hours, 17 minutes, 52 seconds.
To count from 1 to 728,972,272 would take you about thirty-four 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 728972272 cubic inches would be around 75 feet tall.

Recreational maths with 728972272

728972272 backwards is 272279827
The number of decimal digits it has is: 9
The sum of 728972272's digits is 46
More coming soon!

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The information we have on file for 728972272 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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