21210038693104128

Names of 21210038693104128

• Cardinal: 21210038693104128 can be written as Twenty-one quadrillion, two hundred ten trillion, thirty-eight billion, six hundred ninety-three million, one hundred four thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 2.1210038693104128 × 10¹⁶

Factors of 21210038693104128

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 10412

Divisors of 21210038693104128

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 84 89 96 112 128 168 178 192 224 256 267 336 356 384 448 512 534 623 672 712 768 896 1031 1068 1246 1344 1424 1536 1792 1869 2062 2136 2492 2688 2848 3093 3584 3738 4124 4272 4463 4817 4984 5376 5696 6186 7217 7476 8248 8544 8926 9634 9968 10752 11392 12372 13389 14434 14451 14952 16496 17088 17852 19268 19936 21651 22784 24744 26778 28868 28902 29904 31241 32992 33719 34176 35704 38536 39872 43302 45568 49488 53556 57736 57804 59808 62482 65984 67438 68352 71408 77072 79744 86604 91759 93723 98976 101157 107112 115472 115608 119616 124964 131968 134876 136704 142816 154144 159488 173208 183518 187446 197952 202314 214224 230944 231216 239232 249928 263936 269752 275277 285632 308288 318976 346416 367036 374892 395904 397207 404628 428448 428713 461888 462432 478464 499856 527872 539504 550554 571264 616576 642313 692832 734072 749784 791808 794414 809256 856896 857426 923776 924864 956928 999712 1079008 1101108 1142528 1191621 1233152 1284626 1286139 1385664 1468144 1499568 1583616 1588828 1618512 1713792 1714852 1847552 1849728 1926939 1999424 2158016 2202216 2285056 2383242 2466304 2569252 2572278 2771328 2780449 2936288 2999136 3000991 3177656 3237024 3427584 3429704 3695104 3699456 3853878 3998848 4316032 4404432 4601353 4766484 4966327 5138504 5144556 5542656 5560898 5872576 5998272 6001982 6355312 6474048 6855168 6859408 7398912 7707756 7997696 8341347 8632064 8808864 9002973 9202706 9532968 9932654 10277008 10289112 11085312 11121796 11745152 11996544 12003964 12710624 12948096 13718816 13804059 14898981 15415512 15995392 16682694 17264128 17617728 18005946 18405412 19065936 19865308 20554016 20578224 21498271 22243592 23490304 23993088 24007928 25421248 25896192 27437632 27608118 29797962 30831024 32209471 33365388 34764289 35235456 36011892 36810824 38131872 39730616 41108032 41156448 42996542 44487184 46980608 47986176 48015856 50842496 51792384 54875264 55216236 59595924 61662048 64418942 64494813 66730776 69528578 70470912 72023784 73621648 76263744 79461232 82216064 82312896 85993084 88974368 96031712 96628413 101684992 104292867 109750528 110432472 119191848 123324096 128837884 128989626 133461552 139057156 140941824 144047568 147243296 150487897 152527488 158922464 164432128 164625792 171986168 177948736 192063424 193256826 203369984 208585734 219501056 220864944 238383696 246648192 257675768 257979252 266923104 278114312 288095136 294486592 300975794 305054976 317844928 328864256 329251584 343972336 355897472 384126848 386513652 409520417 417171468 441729888 442003103 451463691 476767392 493296384 515351536 515958504 533846208 556228624 576190272 588973184 601951588 610109952 635689856 658503168 687944672 711794944 768253696 773027304 819040834 834342936 883459776 884006206 902927382 953534784 986592768 1030703072 1031917008 1067692416 1112457248 1152380544 1177946368 1203903176 1228561251 1271379712 1326009309 1375889344 1423589888 1536507392 1546054608 1638081668 1668685872 1766919552 1768012412 1805854764 1907069568 1913346119 2061406144 2063834016 2135384832 2224914496 2304761088 2355892736 2407806352 2457122502 2542759424 2652018618 2751778688 2866642919 3092109216 3094021721 3276163336 3337371744 3533839104 3536024824 3611709528 3814139136 3826692238 4122812288 4127668032 4270769664 4449828992 4609522176 4815612704 4914245004 5304037236 5503557376 5733285838 5740038357 6184218432 6188043442 6552326672 6674743488 7067678208 7072049648 7223419056 7628278272 7653384476 8245624576 8255336064 8599928757 8899657984 9282065163 9631225408 9828490008 10608074472 11007114752 11466571676 11480076714 12368436864 12376086884 13104653344 13349486976 13393422833 14144099296 14446838112 15306768952 16491249152 16510672128 17199857514 17799315968 18564130326 19262450816 19656980016 21216148944 22164717401 22933143352 22960153428 24736873728 24752173768 26209306688 26698973952 26786845666 28288198592 28893676224 30613537904 33021344256 34399715028 37128260652 38524901632 39313960032 40180268499 42432297888 44329434802 45866286704 45920306856 49473747456 49504347536 52418613376 53397947904 53573691332 56576397184 57787352448 61227075808 66494152203 68799430056 74256521304 77049803264 78627920064 80360536998 84864595776 88658869604 91732573408 91840613712 99008695072 104837226752 107147382664 113152794368 115574704896 122454151616 132988304406 137598860112 148513042608 155153021807 157255840128 160721073996 169729191552 177317739208 183465146816 183681227424 198017390144 209674453504 214294765328 226305588736 231149409792 244908303232 265976608812 275197720224 297026085216 310306043614 314511680256 321442147992 339458383104 354635478416 366930293632 367362454848 396034780288 428589530656 465459065421 489816606464 531953217624 550395440448 594052170432 620612087228 629023360512 642884295984 678916766208 709270956832 733860587264 734724909696 792069560576 857179061312 930918130842 979633212928 1063906435248 1100790880896 1188104340864 1241224174456 1285768591968 1418541913664 1467721174528 1469449819392 1584139121152 1714358122624 1861836261684 1972659848689 2127812870496 2201581761792 2376208681728 2482448348912 2571537183936 2837083827328 2938899638784 3428716245248 3723672523368 3945319697378 4255625740992 4403163523584 4752417363456 4964896697824 5143074367872 5674167654656 5917979546067 6857432490496 7447345046736 7890639394756 8511251481984 9929793395648 10286148735744 11348335309312 11835959092134 13808618940823 14894690093472 15781278789512 17022502963968 19859586791296 20572297471488 23671918184268 27617237881646 29789380186944 31562557579024 34045005927936 39719173582592 41425856822469 47343836368536 55234475763292 59578760373888 63125115158048 79438347165184 82851713644938 94687672737072 110468951526584 119157520747776 126250230316096 165703427289876 189375345474144 220937903053168 238315041495552 252500460632192 331406854579752 378750690948288 441875806106336 505000921264384 662813709159504 757501381896576 883751612212672 1010001842528768 1325627418319008 1515002763793152 1767503224425344 2651254836638016 3030005527586304 3535006448850688 5302509673276032 7070012897701376 10605019346552064 21210038693104128
• Sum of all divisors σ(n): 65394135124623360
• Sum of proper divisors (its aliquot sum) s(n): 44184096431519232
• 21210038693104128 is an abundant number, because the sum of its proper divisors (44184096431519232) is greater than itself. Its abundance is 22974057738415104

Bases of 21210038693104128

• Binary: 1001011010110100110101011110101111110011000101000000000₂
• Hexadecimal: 0x4B5A6AF5F98A00
• Base-36: 5SUBX9EWIYO

Squares and roots of 21210038693104128

• 21210038693104128 squared (21210038693104128²) is 449865741362974266067060250640384
• 21210038693104128 cubed (21210038693104128³) is 9541669781010658360762268633221853518156793905152
• The square root of 21210038693104128 is 145636666.7192851129
• The cube root of 21210038693104128 is 276809.1788027751

Scales and comparisons

• 21,210,038,693,104,128 seconds is equal to 674,413,623 years, 25 weeks, 23 hours, 8 minutes, 48 seconds.
• To count from 1 to 21,210,038,693,104,128 would take you about two billion, twenty-three million, two hundred forty thousand, eight hundred seventy 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 21210038693104128 cubic inches would be around 23067.4 feet tall.

Recreational maths with 21210038693104128

• 21210038693104128 backwards is 82140139683001212
• The number of decimal digits it has is: 17
• The sum of 21210038693104128's digits is 51
• More coming soon!