728125888
728,125,888 is an even composite number composed of four prime numbers multiplied together.
728125888 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred twelve divisors.
Prime factorization of 728125888:
26 × 73 × 41 × 809
(2 × 2 × 2 × 2 × 2 × 2 × 7 × 7 × 7 × 41 × 809)See below for interesting mathematical facts about the number 728125888 from the Numbermatics database.
Names of 728125888
- Cardinal: 728125888 can be written as Seven hundred twenty-eight million, one hundred twenty-five thousand, eight hundred eighty-eight.
Scientific notation
- Scientific notation: 7.28125888 × 108
Factors of 728125888
Divisors of 728125888
- Number of divisors d(n): 112
-
Complete list of divisors:
1 2 4 7 8 14 16 28 32 41 49 56 64 82 98 112 164 196 224 287 328 343 392 448 574 656 686 784 809 1148 1312 1372 1568 1618 2009 2296 2624 2744 3136 3236 4018 4592 5488 5663 6472 8036 9184 10976 11326 12944 14063 16072 18368 21952 22652 25888 28126 32144 33169 39641 45304 51776 56252 64288 66338 79282 90608 112504 128576 132676 158564 181216 225008 232183 265352 277487 317128 362432 450016 464366 530704 554974 634256 900032 928732 1061408 1109948 1268512 1625281 1857464 2122816 2219896 2537024 3250562 3714928 4439792 6501124 7429856 8879584 11376967 13002248 14859712 17759168 22753934 26004496 45507868 52008992 91015736 104017984 182031472 364062944 728125888
- Sum of all divisors σ(n): 1728216000
- Sum of proper divisors (its aliquot sum) s(n): 1000090112
- 728125888 is an abundant number, because the sum of its proper divisors (1000090112) is greater than itself. Its abundance is 271964224
Bases of 728125888
- Binary: 1010110110011001010001110000002
- Hexadecimal: 0x2B6651C0
- Base-36: C1I9J4
Squares and roots of 728125888
- 728125888 squared (7281258882) is 530167308775788544
- 728125888 cubed (7281258883) is 386028542490941226500227072
-
The
square root of 728125888 is 26983.8078854709 -
The
cube root of 728125888 is 899.6401392581
Scales and comparisons
How big is 728125888?- 728,125,888 seconds is equal to 23 years, 7 weeks, 6 days, 9 hours, 11 minutes, 28 seconds.
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To count from 1 to 728,125,888 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 728125888 cubic inches would be around 75 feet tall.
Recreational maths with 728125888
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