20905961502720

Names of 20905961502720

• Cardinal: 20905961502720 can be written as Twenty trillion, nine hundred five billion, nine hundred sixty-one million, five hundred two thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.090596150272 × 10¹³

Factors of 20905961502720

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 39338

Divisors of 20905961502720

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 37 40 42 48 56 60 64 67 70 74 80 84 96 105 111 112 120 128 134 140 148 160 168 185 192 201 210 222 224 240 256 259 268 280 296 320 335 336 370 384 402 420 444 448 469 480 512 518 536 555 560 592 640 670 672 740 768 777 804 840 888 896 938 960 1005 1024 1036 1072 1110 1120 1184 1280 1295 1340 1344 1407 1480 1536 1554 1608 1680 1776 1792 1876 1920 2010 2048 2072 2144 2220 2240 2345 2368 2479 2560 2590 2680 2688 2814 2960 3072 3108 3216 3360 3552 3584 3752 3840 3885 4020 4144 4288 4440 4480 4690 4736 4958 5120 5180 5360 5376 5628 5920 6144 6216 6432 6720 7035 7104 7168 7437 7504 7680 7770 8040 8288 8576 8880 8960 9380 9472 9916 10240 10360 10720 10752 11256 11840 12395 12432 12864 13440 14070 14208 14336 14874 15008 15360 15540 16080 16576 17152 17353 17760 17920 18760 18944 19832 20720 21440 21504 22512 23680 24790 24864 25728 26880 28140 28416 29748 30016 30720 31080 32160 33152 34304 34706 35520 35840 37185 37520 37888 39217 39664 41440 42880 43008 45024 47360 49580 49728 51456 52059 53760 56280 56832 59496 60032 62160 64320 66304 68608 69412 71040 71680 74370 75040 75776 78434 79328 82880 85760 86765 90048 94720 99160 99456 102912 104118 107520 112560 113664 117651 118992 120064 124320 128640 132608 137216 138824 142080 148740 150080 156868 158656 165760 171520 173530 180096 189440 196085 198320 198912 205824 208236 215040 225120 227328 235302 237984 240128 248640 257280 260295 265216 274519 277648 284160 297480 300160 313736 317312 331520 343040 347060 360192 378880 392170 396640 397824 411648 416472 450240 470604 475968 480256 497280 514560 520590 530432 549038 555296 568320 588255 594960 600320 627472 634624 663040 686080 694120 720384 784340 793280 795648 823557 832944 900480 941208 951936 960512 994560 1029120 1041180 1098076 1110592 1136640 1176510 1189920 1200640 1254944 1269248 1326080 1372595 1388240 1440768 1451029 1568680 1586560 1591296 1647114 1665888 1800960 1882416 1903872 1989120 2058240 2082360 2196152 2221184 2353020 2379840 2401280 2509888 2538496 2627539 2652160 2745190 2776480 2881536 2902058 3137360 3173120 3294228 3331776 3601920 3764832 3807744 3978240 4117785 4164720 4353087 4392304 4442368 4706040 4759680 4802560 5019776 5076992 5255078 5490380 5552960 5804116 6274720 6346240 6588456 6663552 7203840 7255145 7529664 7615488 7882617 7956480 8235570 8329440 8706174 8784608 8884736 9412080 9519360 10039552 10157203 10510156 10980760 11105920 11608232 12549440 12692480 13137695 13176912 13327104 14407680 14510290 15059328 15230976 15765234 16471140 16658880 17412348 17569216 17769472 18392773 18824160 19038720 20079104 20314406 21020312 21765435 21961520 22211840 23216464 25098880 25384960 26275390 26353824 26654208 29020580 30118656 30471609 31530468 32942280 33317760 34824696 35138432 35538944 36785546 37648320 38077440 39413085 40158208 40628812 42040624 43530870 43923040 44423680 46432928 50197760 50786015 52550780 52707648 53308416 55178319 58041160 60237312 60943218 63060936 65884560 66635520 69649392 70276864 73571092 75296640 76154880 78826170 80316416 81257624 84081248 87061740 87846080 88847360 91963865 92865856 97218943 100395520 101572030 105101560 105415296 106616832 110356638 116082320 120474624 121886436 126121872 131769120 133271040 139298784 140553728 147142184 150593280 152358045 157652340 162515248 168162496 174123480 175692160 177694720 183927730 185731712 194437886 200791040 203144060 210203120 210830592 220713276 232164640 240949248 243772872 252243744 263538240 266542080 275891595 278597568 281107456 291656829 294284368 301186560 304716090 315304680 325030496 336324992 348246960 351384320 367855460 371463424 388875772 401582080 406288120 420406240 421661184 441426552 464329280 486094715 487545744 504487488 527076480 533084160 551783190 557195136 562214912 583313658 588568736 602373120 609432180 630609360 650060992 672649984 680532601 696493920 702768640 735710920 742926848 777751544 812576240 840812480 843322368 882853104 928658560 972189430 975091488 1008974976 1054152960 1103566380 1114390272 1166627316 1177137472 1204746240 1218864360 1261218720 1300121984 1345299968 1361065202 1392987840 1405537280 1458284145 1471421840 1485853696 1555503088 1625152480 1681624960 1686644736 1765706208 1857317120 1944378860 1950182976 2017949952 2041597803 2108305920 2207132760 2228780544 2333254632 2354274944 2437728720 2522437440 2600243968 2690599936 2722130404 2785975680 2811074560 2916568290 2942843680 2971707392 3111006176 3250304960 3363249920 3402663005 3531412416 3714634240 3888757720 3900365952 4035899904 4083195606 4216611840 4414265520 4457561088 4666509264 4708549888 4875457440 5044874880 5200487936 5381199872 5444260808 5571951360 5833136580 5885687360 6222012352 6500609920 6726499840 6805326010 7062824832 7429268480 7777515440 7800731904 8071799808 8166391212 8433223680 8828531040 8915122176 9333018528 9417099776 9750914880 10089749760 10207989015 10400975872 10888521616 11143902720 11666273160 11771374720 12444024704 13001219840 13452999680 13610652020 14125649664 14858536960 15555030880 15601463808 16143599616 16332782424 17657062080 18666037056 18834199552 19501829760 20179499520 20415978030 20801951744 21777043232 22287805440 23332546320 23542749440 24888049408 26002439680 26905999360 27221304040 28251299328 31110061760 31202927616 32665564848 35314124160 37332074112 37668399104 39003659520 40358999040 40831956060 43554086464 44575610880 46665092640 47085498880 49776098816 52004879360 54442608080 56502598656 62220123520 62405855232 65331129696 70628248320 74664148224 78007319040 80717998080 81663912120 87108172928 93330185280 94170997760 99552197632 104009758720 108885216160 113005197312 124440247040 130662259392 141256496640 149328296448 156014638080 163327824240 174216345856 186660370560 188341995520 199104395264 217770432320 248880494080 261324518784 282512993280 298656592896 312029276160 326655648480 348432691712 373320741120 435540864640 497760988160 522649037568 565025986560 597313185792 653311296960 696865383424 746641482240 871081729280 995521976320 1045298075136 1306622593920 1393730766848 1493282964480 1742163458560 2090596150272 2613245187840 2986565928960 3484326917120 4181192300544 5226490375680 6968653834240 10452980751360 20905961502720
• Sum of all divisors σ(n): 79677020666880
• Sum of proper divisors (its aliquot sum) s(n): 58771059164160
• 20905961502720 is an abundant number, because the sum of its proper divisors (58771059164160) is greater than itself. Its abundance is 37865097661440

Bases of 20905961502720

• Binary: 100110000001110001100011010001011100000000000₂
• Hexadecimal: 0x13038C68B800
• Base-36: 7ES2DPATC

Squares and roots of 20905961502720

• 20905961502720 squared (20905961502720²) is 437059226353210680567398400
• 20905961502720 cubed (20905961502720³) is 9137143360548808985011562156704923648000
• The square root of 20905961502720 is 4572303.7413015335
• The cube root of 20905961502720 is 27547.9983801513

Scales and comparisons

• 20,905,961,502,720 seconds is equal to 664,744 years, 47 weeks, 2 days, 32 minutes.
• To count from 1 to 20,905,961,502,720 would take you about one million, six hundred sixty-one thousand, eight hundred sixty-two 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 20905961502720 cubic inches would be around 2295.7 feet tall.

Recreational maths with 20905961502720

• 20905961502720 backwards is 02720516950902
• 20905961502720 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 20905961502720's digits is 48
• More coming soon!