28278072
28,278,072 is an even composite number composed of four prime numbers multiplied together.
28278072 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 28278072:
23 × 34 × 172 × 151
(2 × 2 × 2 × 3 × 3 × 3 × 3 × 17 × 17 × 151)See below for interesting mathematical facts about the number 28278072 from the Numbermatics database.
Names of 28278072
- Cardinal: 28278072 can be written as Twenty-eight million, two hundred seventy-eight thousand and seventy-two.
Scientific notation
- Scientific notation: 2.8278072 × 107
Factors of 28278072
Divisors of 28278072
- Number of divisors d(n): 120
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Complete list of divisors:
1 2 3 4 6 8 9 12 17 18 24 27 34 36 51 54 68 72 81 102 108 136 151 153 162 204 216 289 302 306 324 408 453 459 578 604 612 648 867 906 918 1156 1208 1224 1359 1377 1734 1812 1836 2312 2567 2601 2718 2754 3468 3624 3672 4077 5134 5202 5436 5508 6936 7701 7803 8154 10268 10404 10872 11016 12231 15402 15606 16308 20536 20808 23103 23409 24462 30804 31212 32616 43639 46206 46818 48924 61608 62424 69309 87278 92412 93636 97848 130917 138618 174556 184824 187272 207927 261834 277236 349112 392751 415854 523668 554472 785502 831708 1047336 1178253 1571004 1663416 2356506 3142008 3534759 4713012 7069518 9426024 14139036 28278072
- Sum of all divisors σ(n): 84695160
- Sum of proper divisors (its aliquot sum) s(n): 56417088
- 28278072 is an abundant number, because the sum of its proper divisors (56417088) is greater than itself. Its abundance is 28139016
Bases of 28278072
- Binary: 11010111101111101001110002
- Hexadecimal: 0x1AF7D38
- Base-36: GU3I0
Squares and roots of 28278072
- 28278072 squared (282780722) is 799649356037184
- 28278072 cubed (282780723) is 22612542064773123829248
-
The
square root of 28278072 is 5317.7130422767 -
The
cube root of 28278072 is 304.6608143729
Scales and comparisons
How big is 28278072?- 28,278,072 seconds is equal to 46 weeks, 5 days, 7 hours, 1 minute, 12 seconds.
-
To count from 1 to 28,278,072 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 28278072 cubic inches would be around 25.4 feet tall.
Recreational maths with 28278072
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The information we have on file for 28278072 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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