728568225
728,568,225 is an odd composite number composed of five prime numbers multiplied together.
728568225 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred eight divisors.
Prime factorization of 728568225:
32 × 52 × 7 × 112 × 3823
(3 × 3 × 5 × 5 × 7 × 11 × 11 × 3823)See below for interesting mathematical facts about the number 728568225 from the Numbermatics database.
Names of 728568225
- Cardinal: 728568225 can be written as Seven hundred twenty-eight million, five hundred sixty-eight thousand, two hundred twenty-five.
Scientific notation
- Scientific notation: 7.28568225 × 108
Factors of 728568225
Divisors of 728568225
- Number of divisors d(n): 108
-
Complete list of divisors:
1 3 5 7 9 11 15 21 25 33 35 45 55 63 75 77 99 105 121 165 175 225 231 275 315 363 385 495 525 605 693 825 847 1089 1155 1575 1815 1925 2475 2541 3025 3465 3823 4235 5445 5775 7623 9075 11469 12705 17325 19115 21175 26761 27225 34407 38115 42053 57345 63525 80283 95575 126159 133805 172035 190575 210265 240849 286725 294371 378477 401415 462583 630795 669025 860175 883113 1051325 1204245 1387749 1471855 1892385 2007075 2312915 2649339 3153975 3238081 4163247 4415565 6021225 6938745 7359275 9461925 9714243 11564575 13246695 16190405 20816235 22077825 29142729 34693725 48571215 66233475 80952025 104081175 145713645 242856075 728568225
- Sum of all divisors σ(n): 1639700608
- Sum of proper divisors (its aliquot sum) s(n): 911132383
- 728568225 is an abundant number, because the sum of its proper divisors (911132383) is greater than itself. Its abundance is 182564158
Bases of 728568225
- Binary: 1010110110110100010001101000012
- Hexadecimal: 0x2B6D11A1
- Base-36: C1RQU9
Squares and roots of 728568225
- 728568225 squared (7285682252) is 530811658479650625
- 728568225 cubed (7285682253) is 386732507827825254476390625
-
The
square root of 728568225 is 26992.0029823651 -
The
cube root of 728568225 is 899.8222797233
Scales and comparisons
How big is 728568225?- 728,568,225 seconds is equal to 23 years, 8 weeks, 4 days, 12 hours, 3 minutes, 45 seconds.
-
To count from 1 to 728,568,225 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 728568225 cubic inches would be around 75 feet tall.
Recreational maths with 728568225
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