28315872
28,315,872 is an even composite number composed of four prime numbers multiplied together.
28315872 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 28315872:
25 × 33 × 13 × 2521
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 13 × 2521)See below for interesting mathematical facts about the number 28315872 from the Numbermatics database.
Names of 28315872
- Cardinal: 28315872 can be written as Twenty-eight million, three hundred fifteen thousand, eight hundred seventy-two.
Scientific notation
- Scientific notation: 2.8315872 × 107
Factors of 28315872
Divisors of 28315872
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 3 4 6 8 9 12 13 16 18 24 26 27 32 36 39 48 52 54 72 78 96 104 108 117 144 156 208 216 234 288 312 351 416 432 468 624 702 864 936 1248 1404 1872 2521 2808 3744 5042 5616 7563 10084 11232 15126 20168 22689 30252 32773 40336 45378 60504 65546 68067 80672 90756 98319 121008 131092 136134 181512 196638 242016 262184 272268 294957 363024 393276 524368 544536 589914 726048 786552 884871 1048736 1089072 1179828 1573104 1769742 2178144 2359656 3146208 3539484 4719312 7078968 9438624 14157936 28315872
- Sum of all divisors σ(n): 88976160
- Sum of proper divisors (its aliquot sum) s(n): 60660288
- 28315872 is an abundant number, because the sum of its proper divisors (60660288) is greater than itself. Its abundance is 32344416
Bases of 28315872
- Binary: 11011000000010000111000002
- Hexadecimal: 0x1B010E0
- Base-36: GUWO0
Squares and roots of 28315872
- 28315872 squared (283158722) is 801788607120384
- 28315872 cubed (283158723) is 22703343570279081934848
-
The
square root of 28315872 is 5321.2660147751 -
The
cube root of 28315872 is 304.7965031529
Scales and comparisons
How big is 28315872?- 28,315,872 seconds is equal to 46 weeks, 5 days, 17 hours, 31 minutes, 12 seconds.
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To count from 1 to 28,315,872 would take you about eighteen weeks!
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 28315872 cubic inches would be around 25.4 feet tall.
Recreational maths with 28315872
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The information we have on file for 28315872 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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