28398160
28,398,160 is an even composite number composed of six prime numbers multiplied together.
28398160 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred sixty divisors.
Prime factorization of 28398160:
24 × 5 × 7 × 17 × 19 × 157
(2 × 2 × 2 × 2 × 5 × 7 × 17 × 19 × 157)See below for interesting mathematical facts about the number 28398160 from the Numbermatics database.
Names of 28398160
- Cardinal: 28398160 can be written as Twenty-eight million, three hundred ninety-eight thousand, one hundred sixty.
Scientific notation
- Scientific notation: 2.839816 × 107
Factors of 28398160
Divisors of 28398160
- Number of divisors d(n): 160
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 17 19 20 28 34 35 38 40 56 68 70 76 80 85 95 112 119 133 136 140 152 157 170 190 238 266 272 280 304 314 323 340 380 476 532 560 595 628 646 665 680 760 785 952 1064 1099 1190 1256 1292 1330 1360 1520 1570 1615 1904 2128 2198 2261 2380 2512 2584 2660 2669 2983 3140 3230 4396 4522 4760 5168 5320 5338 5495 5966 6280 6460 8792 9044 9520 10640 10676 10990 11305 11932 12560 12920 13345 14915 17584 18088 18683 20881 21352 21980 22610 23864 25840 26690 29830 36176 37366 41762 42704 43960 45220 47728 50711 53380 59660 74732 83524 87920 90440 93415 101422 104405 106760 119320 149464 167048 180880 186830 202844 208810 213520 238640 253555 298928 334096 354977 373660 405688 417620 507110 709954 747320 811376 835240 1014220 1419908 1494640 1670480 1774885 2028440 2839816 3549770 4056880 5679632 7099540 14199080 28398160
- Sum of all divisors σ(n): 84637440
- Sum of proper divisors (its aliquot sum) s(n): 56239280
- 28398160 is an abundant number, because the sum of its proper divisors (56239280) is greater than itself. Its abundance is 27841120
Bases of 28398160
- Binary: 11011000101010010010100002
- Hexadecimal: 0x1B15250
- Base-36: GWO5S
Squares and roots of 28398160
- 28398160 squared (283981602) is 806455491385600
- 28398160 cubed (283981603) is 22901852077246890496000
-
The
square root of 28398160 is 5328.9924000697 -
The
cube root of 28398160 is 305.0914712655
Scales and comparisons
How big is 28398160?- 28,398,160 seconds is equal to 46 weeks, 6 days, 16 hours, 22 minutes, 40 seconds.
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To count from 1 to 28,398,160 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 28398160 cubic inches would be around 25.4 feet tall.
Recreational maths with 28398160
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