28338660
28,338,660 is an even composite number composed of five prime numbers multiplied together.
28338660 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 28338660:
22 × 35 × 5 × 73 × 17
(2 × 2 × 3 × 3 × 3 × 3 × 3 × 5 × 7 × 7 × 7 × 17)See below for interesting mathematical facts about the number 28338660 from the Numbermatics database.
Names of 28338660
- Cardinal: 28338660 can be written as Twenty-eight million, three hundred thirty-eight thousand, six hundred sixty.
Scientific notation
- Scientific notation: 2.833866 × 107
Factors of 28338660
Divisors of 28338660
- Number of divisors d(n): 288
-
Complete list of divisors:
1 2 3 4 5 6 7 9 10 12 14 15 17 18 20 21 27 28 30 34 35 36 42 45 49 51 54 60 63 68 70 81 84 85 90 98 102 105 108 119 126 135 140 147 153 162 170 180 189 196 204 210 238 243 245 252 255 270 294 306 315 324 340 343 357 378 405 420 441 459 476 486 490 510 540 567 588 595 612 630 686 714 735 756 765 810 833 882 918 945 972 980 1020 1029 1071 1134 1190 1215 1260 1323 1372 1377 1428 1470 1530 1620 1666 1701 1715 1764 1785 1836 1890 2058 2142 2205 2268 2295 2380 2430 2499 2646 2754 2835 2940 3060 3087 3213 3332 3402 3430 3570 3780 3969 4116 4131 4165 4284 4410 4590 4860 4998 5145 5292 5355 5508 5670 5831 6174 6426 6615 6804 6860 6885 7140 7497 7938 8262 8330 8505 8820 9180 9261 9639 9996 10290 10710 11340 11662 11907 12348 12495 12852 13230 13770 14994 15435 15876 16065 16524 16660 17010 17493 18522 19278 19845 20580 20655 21420 22491 23324 23814 24990 26460 27540 27783 28917 29155 29988 30870 32130 34020 34986 37044 37485 38556 39690 41310 44982 46305 47628 48195 49980 52479 55566 57834 58310 59535 61740 64260 67473 69972 74970 79380 82620 83349 87465 89964 92610 96390 104958 111132 112455 115668 116620 119070 134946 138915 144585 149940 157437 166698 174930 185220 192780 202419 209916 224910 238140 262395 269892 277830 289170 314874 333396 337365 349860 404838 416745 449820 472311 524790 555660 578340 629748 674730 787185 809676 833490 944622 1012095 1049580 1349460 1416933 1574370 1666980 1889244 2024190 2361555 2833866 3148740 4048380 4723110 5667732 7084665 9446220 14169330 28338660
- Sum of all divisors σ(n): 110073600
- Sum of proper divisors (its aliquot sum) s(n): 81734940
- 28338660 is an abundant number, because the sum of its proper divisors (81734940) is greater than itself. Its abundance is 53396280
Bases of 28338660
- Binary: 11011000001101001111001002
- Hexadecimal: 0x1B069E4
- Base-36: GVE90
Squares and roots of 28338660
- 28338660 squared (283386602) is 803079650595600
- 28338660 cubed (283386603) is 22758201171147505896000
-
The
square root of 28338660 is 5323.4068039179 -
The
cube root of 28338660 is 304.8782457681
Scales and comparisons
How big is 28338660?- 28,338,660 seconds is equal to 46 weeks, 5 days, 23 hours, 51 minutes.
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To count from 1 to 28,338,660 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 28338660 cubic inches would be around 25.4 feet tall.
Recreational maths with 28338660
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