28894320
28,894,320 is an even composite number composed of five prime numbers multiplied together.
28894320 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of four hundred divisors.
Prime factorization of 28894320:
24 × 34 × 5 × 73 × 13
(2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 5 × 7 × 7 × 7 × 13)See below for interesting mathematical facts about the number 28894320 from the Numbermatics database.
Names of 28894320
- Cardinal: 28894320 can be written as Twenty-eight million, eight hundred ninety-four thousand, three hundred twenty.
Scientific notation
- Scientific notation: 2.889432 × 107
Factors of 28894320
Divisors of 28894320
- Number of divisors d(n): 400
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Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 18 20 21 24 26 27 28 30 35 36 39 40 42 45 48 49 52 54 56 60 63 65 70 72 78 80 81 84 90 91 98 104 105 108 112 117 120 126 130 135 140 144 147 156 162 168 180 182 189 195 196 208 210 216 234 240 245 252 260 270 273 280 294 312 315 324 336 343 351 360 364 378 390 392 405 420 432 441 455 468 490 504 520 540 546 560 567 585 588 624 630 637 648 686 702 720 728 735 756 780 784 810 819 840 882 910 936 945 980 1008 1029 1040 1053 1080 1092 1134 1170 1176 1260 1274 1296 1323 1365 1372 1404 1456 1470 1512 1560 1620 1638 1680 1715 1755 1764 1820 1872 1890 1911 1960 2058 2106 2160 2184 2205 2268 2340 2352 2457 2520 2548 2646 2730 2744 2808 2835 2940 3024 3087 3120 3185 3240 3276 3430 3510 3528 3640 3780 3822 3920 3969 4095 4116 4212 4368 4410 4459 4536 4680 4914 5040 5096 5145 5265 5292 5460 5488 5616 5670 5733 5880 6174 6370 6480 6552 6615 6860 7020 7056 7280 7371 7560 7644 7938 8190 8232 8424 8820 8918 9072 9261 9360 9555 9828 10192 10290 10530 10584 10920 11340 11466 11760 12285 12348 12740 13104 13230 13377 13720 14040 14742 15120 15288 15435 15876 16380 16464 16848 17199 17640 17836 18522 19110 19656 19845 20580 21060 21168 21840 22295 22680 22932 24570 24696 25480 26460 26754 27440 27783 28080 28665 29484 30576 30870 31752 32760 34398 35280 35672 36855 37044 38220 39312 39690 40131 41160 42120 44590 45360 45864 46305 49140 49392 50960 51597 52920 53508 55566 57330 58968 61740 63504 65520 66885 68796 71344 73710 74088 76440 79380 80262 82320 84240 85995 89180 91728 92610 98280 103194 105840 107016 111132 114660 117936 120393 123480 133770 137592 138915 147420 148176 152880 158760 160524 171990 178360 185220 196560 200655 206388 214032 222264 229320 240786 246960 257985 267540 275184 277830 294840 317520 321048 343980 356720 361179 370440 401310 412776 444528 458640 481572 515970 535080 555660 589680 601965 642096 687960 722358 740880 802620 825552 963144 1031940 1070160 1111320 1203930 1375920 1444716 1605240 1805895 1926288 2063880 2222640 2407860 2889432 3210480 3611790 4127760 4815720 5778864 7223580 9631440 14447160 28894320
- Sum of all divisors σ(n): 126033600
- Sum of proper divisors (its aliquot sum) s(n): 97139280
- 28894320 is an abundant number, because the sum of its proper divisors (97139280) is greater than itself. Its abundance is 68244960
Bases of 28894320
- Binary: 11011100011100100011100002
- Hexadecimal: 0x1B8E470
- Base-36: H7B00
Squares and roots of 28894320
- 28894320 squared (288943202) is 834881728262400
- 28894320 cubed (288943203) is 24123339818566829568000
-
The
square root of 28894320 is 5375.3437099407 -
The
cube root of 28894320 is 306.8580301107
Scales and comparisons
How big is 28894320?- 28,894,320 seconds is equal to 47 weeks, 5 days, 10 hours, 12 minutes.
-
To count from 1 to 28,894,320 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 28894320 cubic inches would be around 25.6 feet tall.
Recreational maths with 28894320
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