28731937920
28,731,937,920 is an even composite number composed of six prime numbers multiplied together.
28731937920 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 28731937920:
27 × 3 × 5 × 72 × 29 × 10531
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 7 × 7 × 29 × 10531)See below for interesting mathematical facts about the number 28731937920 from the Numbermatics database.
Names of 28731937920
- Cardinal: 28731937920 can be written as Twenty-eight billion, seven hundred thirty-one million, nine hundred thirty-seven thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 2.873193792 × 1010
Factors of 28731937920
Divisors of 28731937920
- Number of divisors d(n): 384
-
Complete list of divisors:
1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 29 30 32 35 40 42 48 49 56 58 60 64 70 80 84 87 96 98 105 112 116 120 128 140 145 147 160 168 174 192 196 203 210 224 232 240 245 280 290 294 320 336 348 384 392 406 420 435 448 464 480 490 560 580 588 609 640 672 696 735 784 812 840 870 896 928 960 980 1015 1120 1160 1176 1218 1344 1392 1421 1470 1568 1624 1680 1740 1856 1920 1960 2030 2240 2320 2352 2436 2688 2784 2842 2940 3045 3136 3248 3360 3480 3712 3920 4060 4263 4480 4640 4704 4872 5568 5684 5880 6090 6272 6496 6720 6960 7105 7840 8120 8526 9280 9408 9744 10531 11136 11368 11760 12180 12992 13440 13920 14210 15680 16240 17052 18560 18816 19488 21062 21315 22736 23520 24360 25984 27840 28420 31360 31593 32480 34104 38976 42124 42630 45472 47040 48720 52655 55680 56840 63186 64960 68208 73717 77952 84248 85260 90944 94080 97440 105310 113680 126372 129920 136416 147434 157965 168496 170520 181888 194880 210620 221151 227360 252744 272832 294868 305399 315930 336992 341040 368585 389760 421240 442302 454720 505488 516019 545664 589736 610798 631860 673984 682080 737170 842480 884604 909440 916197 1010976 1032038 1105755 1179472 1221596 1263720 1347968 1364160 1474340 1526995 1548057 1684960 1769208 1832394 2021952 2064076 2137793 2211510 2358944 2443192 2527440 2580095 2728320 2948680 3053990 3096114 3369920 3538416 3664788 4043904 4128152 4275586 4423020 4580985 4717888 4886384 5054880 5160190 5897360 6107980 6192228 6413379 6739840 7076832 7329576 7740285 8256304 8551172 8846040 9161970 9435776 9772768 10109760 10320380 10688965 11794720 12215960 12384456 12826758 14153664 14659152 14964551 15480570 16512608 17102344 17692080 18323940 19545536 20219520 20640760 21377930 23589440 24431920 24768912 25653516 28307328 29318304 29929102 30961140 32066895 33025216 34204688 35384160 36647880 39091072 41281520 42755860 44893653 47178880 48863840 49537824 51307032 58636608 59858204 61922280 64133790 66050432 68409376 70768320 73295760 74822755 82563040 85511720 89787306 97727680 99075648 102614064 117273216 119716408 123844560 128267580 136818752 141536640 146591520 149645510 165126080 171023440 179574612 195455360 198151296 205228128 224468265 239432816 247689120 256535160 273637504 293183040 299291020 330252160 342046880 359149224 410456256 448936530 478865632 495378240 513070320 586366080 598582040 684093760 718298448 820912512 897873060 957731264 990756480 1026140640 1197164080 1368187520 1436596896 1795746120 1915462528 2052281280 2394328160 2873193792 3591492240 4104562560 4788656320 5746387584 7182984480 9577312640 14365968960 28731937920
- Sum of all divisors σ(n): 110219486400
- Sum of proper divisors (its aliquot sum) s(n): 81487548480
- 28731937920 is an abundant number, because the sum of its proper divisors (81487548480) is greater than itself. Its abundance is 52755610560
Bases of 28731937920
- Binary: 110101100001000111010010100100000002
- Hexadecimal: 0x6B08E9480
- Base-36: D76956O
Squares and roots of 28731937920
- 28731937920 squared (287319379202) is 825524256638733926400
- 28731937920 cubed (287319379203) is 23718911693198251040722649088000
-
The
square root of 28731937920 is 169504.9790419149 -
The
cube root of 28731937920 is 3062.8211668621
Scales and comparisons
How big is 28731937920?- 28,731,937,920 seconds is equal to 913 years, 30 weeks, 3 days, 13 hours, 52 minutes.
-
To count from 1 to 28,731,937,920 would take you about one thousand, eight hundred twenty-seven years!
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 28731937920 cubic inches would be around 255.2 feet tall.
Recreational maths with 28731937920
- 28731937920 backwards is 02973913782
- The number of decimal digits it has is: 11
- The sum of 28731937920's digits is 51
- More coming soon!
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