28881090
28,881,090 is an even composite number composed of six prime numbers multiplied together.
28881090 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 28881090:
2 × 33 × 5 × 72 × 37 × 59
(2 × 3 × 3 × 3 × 5 × 7 × 7 × 37 × 59)See below for interesting mathematical facts about the number 28881090 from the Numbermatics database.
Names of 28881090
- Cardinal: 28881090 can be written as Twenty-eight million, eight hundred eighty-one thousand and ninety.
Scientific notation
- Scientific notation: 2.888109 × 107
Factors of 28881090
Divisors of 28881090
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 3 5 6 7 9 10 14 15 18 21 27 30 35 37 42 45 49 54 59 63 70 74 90 98 105 111 118 126 135 147 177 185 189 210 222 245 259 270 294 295 315 333 354 370 378 413 441 490 518 531 555 590 630 666 735 777 826 882 885 945 999 1062 1110 1239 1295 1323 1470 1554 1593 1665 1770 1813 1890 1998 2065 2183 2205 2331 2478 2590 2646 2655 2891 3186 3330 3626 3717 3885 4130 4366 4410 4662 4995 5310 5439 5782 6195 6549 6615 6993 7434 7770 7965 8673 9065 9990 10878 10915 11151 11655 12390 13098 13230 13986 14455 15281 15930 16317 17346 18130 18585 19647 21830 22302 23310 26019 27195 28910 30562 32634 32745 34965 37170 39294 43365 45843 48951 52038 54390 55755 58941 65490 69930 76405 78057 81585 86730 91686 97902 98235 106967 111510 117882 130095 137529 152810 156114 163170 196470 213934 229215 244755 260190 275058 294705 320901 390285 412587 458430 489510 534835 589410 641802 687645 780570 825174 962703 1069670 1375290 1604505 1925406 2062935 2888109 3209010 4125870 4813515 5776218 9627030 14440545 28881090
- Sum of all divisors σ(n): 93571200
- Sum of proper divisors (its aliquot sum) s(n): 64690110
- 28881090 is an abundant number, because the sum of its proper divisors (64690110) is greater than itself. Its abundance is 35809020
Bases of 28881090
- Binary: 11011100010110000110000102
- Hexadecimal: 0x1B8B0C2
- Base-36: H70SI
Squares and roots of 28881090
- 28881090 squared (288810902) is 834117359588100
- 28881090 cubed (288810903) is 24090218532826279029000
-
The
square root of 28881090 is 5374.1129500597 -
The
cube root of 28881090 is 306.8111887071
Scales and comparisons
How big is 28881090?- 28,881,090 seconds is equal to 47 weeks, 5 days, 6 hours, 31 minutes, 30 seconds.
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To count from 1 to 28,881,090 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 28881090 cubic inches would be around 25.6 feet tall.
Recreational maths with 28881090
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