28869984
28,869,984 is an even composite number composed of five prime numbers multiplied together.
28869984 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 28869984:
25 × 32 × 11 × 13 × 701
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 11 × 13 × 701)See below for interesting mathematical facts about the number 28869984 from the Numbermatics database.
Names of 28869984
- Cardinal: 28869984 can be written as Twenty-eight million, eight hundred sixty-nine thousand, nine hundred eighty-four.
Scientific notation
- Scientific notation: 2.8869984 × 107
Factors of 28869984
Divisors of 28869984
- Number of divisors d(n): 144
-
Complete list of divisors:
1 2 3 4 6 8 9 11 12 13 16 18 22 24 26 32 33 36 39 44 48 52 66 72 78 88 96 99 104 117 132 143 144 156 176 198 208 234 264 286 288 312 352 396 416 429 468 528 572 624 701 792 858 936 1056 1144 1248 1287 1402 1584 1716 1872 2103 2288 2574 2804 3168 3432 3744 4206 4576 5148 5608 6309 6864 7711 8412 9113 10296 11216 12618 13728 15422 16824 18226 20592 22432 23133 25236 27339 30844 33648 36452 41184 46266 50472 54678 61688 67296 69399 72904 82017 92532 100243 100944 109356 123376 138798 145808 164034 185064 200486 201888 218712 246752 277596 291616 300729 328068 370128 400972 437424 555192 601458 656136 740256 801944 874848 902187 1110384 1202916 1312272 1603888 1804374 2220768 2405832 2624544 3207776 3608748 4811664 7217496 9623328 14434992 28869984
- Sum of all divisors σ(n): 96589584
- Sum of proper divisors (its aliquot sum) s(n): 67719600
- 28869984 is an abundant number, because the sum of its proper divisors (67719600) is greater than itself. Its abundance is 38849616
Bases of 28869984
- Binary: 11011100010000101011000002
- Hexadecimal: 0x1B88560
- Base-36: H6S80
Squares and roots of 28869984
- 28869984 squared (288699842) is 833475976160256
- 28869984 cubed (288699843) is 24062438096130972155904
-
The
square root of 28869984 is 5373.0795639001 -
The
cube root of 28869984 is 306.7718563743
Scales and comparisons
How big is 28869984?- 28,869,984 seconds is equal to 47 weeks, 5 days, 3 hours, 26 minutes, 24 seconds.
-
To count from 1 to 28,869,984 would take you about nineteen 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 28869984 cubic inches would be around 25.6 feet tall.
Recreational maths with 28869984
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