28162728
28,162,728 is an even composite number composed of four prime numbers multiplied together.
28162728 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 28162728:
23 × 36 × 11 × 439
(2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 11 × 439)See below for interesting mathematical facts about the number 28162728 from the Numbermatics database.
Names of 28162728
- Cardinal: 28162728 can be written as Twenty-eight million, one hundred sixty-two thousand, seven hundred twenty-eight.
Scientific notation
- Scientific notation: 2.8162728 × 107
Factors of 28162728
Divisors of 28162728
- Number of divisors d(n): 112
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Complete list of divisors:
1 2 3 4 6 8 9 11 12 18 22 24 27 33 36 44 54 66 72 81 88 99 108 132 162 198 216 243 264 297 324 396 439 486 594 648 729 792 878 891 972 1188 1317 1458 1756 1782 1944 2376 2634 2673 2916 3512 3564 3951 4829 5268 5346 5832 7128 7902 8019 9658 10536 10692 11853 14487 15804 16038 19316 21384 23706 28974 31608 32076 35559 38632 43461 47412 57948 64152 71118 86922 94824 106677 115896 130383 142236 173844 213354 260766 284472 320031 347688 391149 426708 521532 640062 782298 853416 1043064 1173447 1280124 1564596 2346894 2560248 3129192 3520341 4693788 7040682 9387576 14081364 28162728
- Sum of all divisors σ(n): 86565600
- Sum of proper divisors (its aliquot sum) s(n): 58402872
- 28162728 is an abundant number, because the sum of its proper divisors (58402872) is greater than itself. Its abundance is 30240144
Bases of 28162728
- Binary: 11010110110111010101010002
- Hexadecimal: 0x1ADBAA8
- Base-36: GRMI0
Squares and roots of 28162728
- 28162728 squared (281627282) is 793139248401984
- 28162728 cubed (281627283) is 22336964918869510052352
-
The
square root of 28162728 is 5306.8566967651 -
The
cube root of 28162728 is 304.2460208375
Scales and comparisons
How big is 28162728?- 28,162,728 seconds is equal to 46 weeks, 3 days, 22 hours, 58 minutes, 48 seconds.
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To count from 1 to 28,162,728 would take you about seventeen 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 28162728 cubic inches would be around 25.4 feet tall.
Recreational maths with 28162728
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The information we have on file for 28162728 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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