21387075840
21,387,075,840 is an even composite number composed of six prime numbers multiplied together.
21387075840 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of five hundred seventy-six divisors.
Prime factorization of 21387075840:
28 × 33 × 5 × 13 × 181 × 263
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 13 × 181 × 263)See below for interesting mathematical facts about the number 21387075840 from the Numbermatics database.
Names of 21387075840
- Cardinal: 21387075840 can be written as Twenty-one billion, three hundred eighty-seven million, seventy-five thousand, eight hundred forty.
Scientific notation
- Scientific notation: 2.138707584 × 1010
Factors of 21387075840
Divisors of 21387075840
- Number of divisors d(n): 576
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 27 30 32 36 39 40 45 48 52 54 60 64 65 72 78 80 90 96 104 108 117 120 128 130 135 144 156 160 180 181 192 195 208 216 234 240 256 260 263 270 288 312 320 351 360 362 384 390 416 432 468 480 520 526 540 543 576 585 624 640 702 720 724 768 780 789 832 864 905 936 960 1040 1052 1080 1086 1152 1170 1248 1280 1315 1404 1440 1448 1560 1578 1629 1664 1728 1755 1810 1872 1920 2080 2104 2160 2172 2304 2340 2353 2367 2496 2630 2715 2808 2880 2896 3120 3156 3258 3328 3419 3456 3510 3620 3744 3840 3945 4160 4208 4320 4344 4680 4706 4734 4887 4992 5260 5430 5616 5760 5792 6240 6312 6516 6838 6912 7020 7059 7101 7240 7488 7890 8145 8320 8416 8640 8688 9360 9412 9468 9774 9984 10257 10520 10860 11232 11520 11584 11765 11835 12480 12624 13032 13676 14040 14118 14202 14480 14976 15780 16290 16640 16832 17095 17280 17376 18720 18824 18936 19548 20514 21040 21177 21720 22464 23168 23530 23670 24435 24960 25248 26064 27352 28080 28236 28404 28960 29952 30771 31560 32580 33664 34190 34560 34752 35295 35505 37440 37648 37872 39096 41028 42080 42354 43440 44928 46336 47060 47340 47603 48870 49920 50496 51285 52128 54704 56160 56472 56808 57920 61542 63120 63531 65160 67328 68380 69504 70590 71010 74880 75296 75744 78192 82056 84160 84708 86880 89856 92313 94120 94680 95206 97740 100992 102570 104256 105885 109408 112320 112944 113616 115840 123084 126240 127062 130320 136760 139008 141180 142020 142809 149760 150592 151488 153855 156384 164112 168320 169416 173760 184626 188240 189360 190412 195480 201984 205140 208512 211770 218816 224640 225888 227232 231680 238015 246168 252480 254124 260640 273520 282360 284040 285618 301184 302976 307710 312768 317655 328224 336640 338832 347520 369252 376480 378720 380824 390960 410280 417024 423540 428427 437632 449280 451776 454464 461565 476030 492336 504960 508248 521280 547040 564720 568080 571236 602368 605952 615420 618839 625536 635310 656448 677664 695040 714045 738504 752960 757440 761648 781920 820560 847080 856854 875264 903552 908928 923130 952060 984672 1009920 1016496 1042560 1094080 1129440 1136160 1142472 1230840 1237678 1251072 1270620 1285281 1312896 1355328 1428090 1477008 1505920 1514880 1523296 1563840 1641120 1694160 1713708 1807104 1817856 1846260 1856517 1904120 1969344 2032992 2085120 2142135 2188160 2258880 2272320 2284944 2461680 2475356 2541240 2570562 2625792 2710656 2856180 2954016 3011840 3029760 3046592 3094195 3127680 3282240 3388320 3427416 3692520 3713034 3808240 3938688 4065984 4284270 4376320 4517760 4544640 4569888 4923360 4950712 5082480 5141124 5421312 5569551 5712360 5908032 6093184 6188390 6255360 6426405 6564480 6776640 6854832 7385040 7426068 7616480 7877376 8131968 8568540 9035520 9089280 9139776 9282585 9846720 9901424 10164960 10282248 11139102 11424720 11816064 12186368 12376780 12852810 13128960 13553280 13709664 14770080 14852136 15232960 16263936 16708653 17137080 18279552 18565170 19693440 19802848 20329920 20564496 22278204 22849440 23632128 24753560 25705620 27106560 27419328 27847755 29540160 29704272 30465920 33417306 34274160 36559104 37130340 39386880 39605696 40659840 41128992 44556408 45698880 49507120 51411240 54838656 55695510 59080320 59408544 60931840 66834612 68548320 74260680 79211392 81319680 82257984 83543265 89112816 91397760 99014240 102822480 109677312 111391020 118160640 118817088 133669224 137096640 148521360 158422784 164515968 167086530 178225632 182795520 198028480 205644960 222782040 237634176 267338448 274193280 297042720 329031936 334173060 356451264 396056960 411289920 445564080 475268352 534676896 548386560 594085440 668346120 712902528 792113920 822579840 891128160 1069353792 1188170880 1336692240 1425805056 1645159680 1782256320 2138707584 2376341760 2673384480 3564512640 4277415168 5346768960 7129025280 10693537920 21387075840
- Sum of all divisors σ(n): 82496494080
- Sum of proper divisors (its aliquot sum) s(n): 61109418240
- 21387075840 is an abundant number, because the sum of its proper divisors (61109418240) is greater than itself. Its abundance is 39722342400
Bases of 21387075840
- Binary: 100111110101100010011100001000000002
- Hexadecimal: 0x4FAC4E100
- Base-36: 9TPB9C0
Squares and roots of 21387075840
- 21387075840 squared (213870758402) is 457407012985911705600
- 21387075840 cubed (213870758403) is 9782598476477558499210952704000
-
The
square root of 21387075840 is 146243.2078422789 -
The
cube root of 21387075840 is 2775.7720802721
Scales and comparisons
How big is 21387075840?- 21,387,075,840 seconds is equal to 680 years, 2 weeks, 1 day, 14 hours, 24 minutes.
-
To count from 1 to 21,387,075,840 would take you about one thousand, three hundred sixty 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 21387075840 cubic inches would be around 231.3 feet tall.
Recreational maths with 21387075840
- 21387075840 backwards is 04857078312
- 21387075840 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21387075840's digits is 45
- More coming soon!
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The information we have on file for 21387075840 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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