21493978084800

Names of 21493978084800

• Cardinal: 21493978084800 can be written as Twenty-one trillion, four hundred ninety-three billion, nine hundred seventy-eight million, eighty-four thousand, eight hundred.

Scientific notation

• Scientific notation: 2.14939780848 × 10¹³

Factors of 21493978084800

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 360

Divisors of 21493978084800

• Number of divisors d(n): 672
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 25 26 27 30 32 36 39 40 45 48 50 52 54 60 64 65 72 75 78 80 90 96 100 104 108 117 120 130 135 144 150 156 160 180 192 195 200 208 216 225 234 240 260 270 288 300 312 320 325 337 351 360 390 400 416 432 450 468 480 520 540 576 585 600 624 650 674 675 702 720 780 800 832 864 900 936 960 975 1011 1040 1080 1170 1200 1248 1300 1348 1350 1404 1440 1560 1600 1685 1728 1755 1800 1872 1950 2022 2080 2160 2340 2400 2496 2600 2696 2700 2808 2880 2925 3033 3120 3370 3510 3600 3744 3900 4044 4160 4320 4381 4680 4800 5055 5200 5392 5400 5616 5850 6066 6240 6740 7020 7200 7488 7800 8088 8425 8640 8762 8775 9099 9360 10110 10400 10784 10800 11232 11700 12132 12480 13143 13480 14040 14400 15165 15600 16176 16850 17524 17550 18198 18720 20220 20800 21568 21600 21905 22464 23400 24264 25275 26286 26960 28080 30330 31200 32352 33700 35048 35100 36396 37440 39429 40440 43200 43810 45495 46800 48528 50550 52572 53920 56160 60660 62400 64704 65715 67400 70096 70200 72792 75825 78858 80880 87620 90990 93600 97056 101100 105144 107840 109525 112320 113569 118287 121320 131430 134800 140192 140400 145584 151650 157716 161760 175240 181980 187200 194112 197145 202200 210288 219050 227138 227475 236574 242640 262860 269600 280384 280800 291168 303300 315432 323520 328575 340707 350480 363960 394290 404400 420576 438100 454276 454950 473148 485280 525720 539200 561600 567845 582336 591435 606600 630864 657150 681414 700960 727920 788580 808800 841152 876200 908552 909900 946296 970560 985725 1022121 1051440 1135690 1182870 1213200 1261728 1314300 1362828 1401920 1455840 1476397 1577160 1617600 1703535 1752400 1817104 1819800 1892592 1971450 2044242 2102880 2271380 2365740 2426400 2523456 2628600 2725656 2839225 2911680 2952794 2957175 3066363 3154320 3407070 3504800 3634208 3639600 3785184 3942900 4088484 4205760 4429191 4542760 4731480 4852800 5110605 5257200 5451312 5678450 5905588 5914350 6132726 6308640 6814140 7009600 7268416 7279200 7381985 7570368 7885800 8176968 8517675 8858382 9085520 9462960 10221210 10514400 10902624 11356900 11811176 11828700 12265452 12617280 13287573 13628280 14558400 14763970 15331815 15771600 16353936 17035350 17716764 18171040 18925920 20442420 21028800 21805248 22145955 22713800 23622352 23657400 24530904 25553025 26575146 27256560 29527940 30663630 31543200 32707872 34070700 35433528 36342080 36909925 37851840 38272753 39862719 40884840 44291910 45427600 47244704 47314800 49061808 51106050 53150292 54513120 59055880 61327260 63086400 65415744 66437865 68141400 70867056 73819850 76545506 76659075 79725438 81769680 88583820 90855200 94489408 94629600 98123616 102212100 106300584 109026240 110729775 114818259 118111760 122654520 132875730 136282800 141734112 147639700 153091012 153318150 159450876 163539360 177167640 181710400 189259200 191363765 196247232 199313595 204424200 212601168 221459550 229636518 236223520 245309040 265751460 272565600 283468224 295279400 306182024 306636300 318901752 327078720 332189325 344454777 354335280 382727530 398627190 408848400 425202336 442919100 459273036 472447040 490618080 497545789 531502920 545131200 574091295 590558800 612364048 613272600 637803504 664378650 688909554 708670560 765455060 797254380 817696800 850404672 885838200 918546072 956818825 981236160 995091578 996567975 1033364331 1063005840 1148182590 1181117600 1224728096 1226545200 1275607008 1328757300 1377819108 1417341120 1492637367 1530910120 1594508760 1635393600 1722273885 1771676400 1837092144 1913637650 1990183156 1993135950 2066728662 2126011680 2296365180 2362235200 2449456192 2453090400 2487728945 2551214016 2657514600 2755638216 2870456475 2985274734 3061820240 3189017520 3444547770 3543352800 3674184288 3827275300 3980366312 3986271900 4133457324 4252023360 4477912101 4592730360 4906180800 4975457890 5166821655 5315029200 5511276432 5740912950 5970549468 6123640480 6378035040 6889095540 7086705600 7348368576 7463186835 7654550600 7960732624 7972543800 8266914648 8611369425 8955824202 9185460720 9950915780 10333643310 10630058400 11022552864 11481825900 11941098936 12247280960 12438644725 12756070080 13433736303 13778191080 14926373670 15309101200 15921465248 15945087600 16533829296 17222738850 17911648404 18370921440 19901831560 20667286620 21260116800 22045105728 22389560505 22963651800 23882197872 24877289450 25834108275 26867472606 27556382160 29852747340 30618202400 31842930496 31890175200 33067658592 34445477700 35823296808 36741842880 37315934175 39803663120 41334573240 44779121010 45927303600 47764395744 49754578900 51668216550 53734945212 55112764320 59705494680 61236404800 63780350400 66135317184 67168681515 68890955400 71646593616 74631868350 79607326240 82669146480 89558242020 91854607200 95528791488 99509157800 103336433100 107469890424 110225528640 111947802525 119410989360 134337363030 137781910800 143293187232 149263736700 159214652480 165338292960 179116484040 183709214400 199018315600 206672866200 214939780848 223895605050 238821978720 268674726060 275563821600 286586374464 298527473400 330676585920 335843407575 358232968080 398036631200 413345732400 429879561696 447791210100 477643957440 537349452120 551127643200 597054946800 671686815150 716465936160 796073262400 826691464800 859759123392 895582420200 1074698904240 1194109893600 1343373630300 1432931872320 1653382929600 1791164840400 2149397808480 2388219787200 2686747260600 3582329680800 4298795616960 5373494521200 7164659361600 10746989042400 21493978084800
• Sum of all divisors σ(n): 84631837035200
• Sum of proper divisors (its aliquot sum) s(n): 63137858950400
• 21493978084800 is an abundant number, because the sum of its proper divisors (63137858950400) is greater than itself. Its abundance is 41643880865600

Bases of 21493978084800

• Binary: 100111000110001110100111011011011010111000000₂
• Hexadecimal: 0x138C74EDB5C0
• Base-36: 7MA73LDC0

Squares and roots of 21493978084800

• 21493978084800 squared (21493978084800²) is 461991093909862675991040000
• 21493978084800 cubed (21493978084800³) is 9930026447871367104328896881160192000000
• The square root of 21493978084800 is 4636159.8424558227
• The cube root of 21493978084800 is 27803.8924922391

Scales and comparisons

• 21,493,978,084,800 seconds is equal to 683,442 years, 6 days, 12 hours.
• To count from 1 to 21,493,978,084,800 would take you about one million, seven hundred eight thousand, six hundred five 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 21493978084800 cubic inches would be around 2317 feet tall.

Recreational maths with 21493978084800

• 21493978084800 backwards is 00848087939412
• The number of decimal digits it has is: 14
• The sum of 21493978084800's digits is 63
• More coming soon!