21316621051887616

Names of 21316621051887616

• Cardinal: 21316621051887616 can be written as Twenty-one quadrillion, three hundred sixteen trillion, six hundred twenty-one billion, fifty-one million, eight hundred eighty-seven thousand, six hundred sixteen.

Scientific notation

• Scientific notation: 2.1316621051887616 × 10¹⁶

Factors of 21316621051887616

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 24
• Sum of prime factors: 1788

Divisors of 21316621051887616

• Number of divisors d(n): 684
• Complete list of divisors:
  1 2 4 7 8 13 14 16 26 28 32 43 49 52 56 64 86 91 98 104 112 128 172 182 196 208 224 256 301 344 364 392 416 448 512 559 602 637 688 728 784 832 896 1024 1118 1204 1274 1376 1456 1568 1664 1723 1792 2048 2107 2236 2408 2548 2752 2912 3136 3328 3446 3584 3913 4096 4214 4472 4816 5096 5504 5824 6272 6656 6892 7168 7826 8192 8428 8944 9632 10192 11008 11648 12061 12544 13312 13784 14336 15652 16384 16856 17888 19264 20384 22016 22399 23296 24122 25088 26624 27391 27568 28672 31304 32768 33712 35776 38528 40768 44032 44798 46592 48244 50176 53248 54782 55136 57344 62608 65536 67424 71552 74089 77056 81536 84427 88064 89596 93184 96488 100352 106496 109564 110272 114688 125216 131072 134848 143104 148178 154112 156793 163072 168854 176128 179192 186368 192976 200704 212992 219128 220544 229376 250432 262144 269696 286208 296356 308224 313586 326144 337708 352256 358384 372736 385952 401408 425984 438256 441088 458752 500864 518623 539392 572416 592712 616448 627172 652288 675416 704512 716768 745472 771904 802816 851968 876512 882176 917504 963157 1001728 1037246 1078784 1097551 1144832 1185424 1232896 1254344 1304576 1350832 1409024 1433536 1490944 1543808 1605632 1703936 1753024 1764352 1835008 1926314 2003456 2074492 2157568 2195102 2289664 2370848 2465792 2508688 2609152 2701664 2818048 2867072 2968729 2981888 3087616 3211264 3407872 3506048 3528704 3630361 3852628 4006912 4148984 4315136 4390204 4579328 4741696 4931584 5017376 5218304 5403328 5636096 5734144 5937458 5963776 6175232 6422528 6742099 7012096 7057408 7260722 7705256 8013824 8297968 8630272 8780408 9158656 9483392 9863168 10034752 10436608 10806656 11272192 11468288 11874916 11927552 12350464 12845056 13484198 14024192 14114816 14521444 15410512 16027648 16595936 17260544 17560816 18317312 18966784 19726336 20069504 20781103 20873216 21613312 22936576 23749832 23855104 24700928 26968396 28048384 28229632 29042888 30821024 32055296 33191872 34521088 35121632 36634624 37933568 38593477 39452672 40139008 41562206 41746432 43226624 45873152 47194693 47499664 49401856 53936792 56096768 56459264 58085776 61642048 64110592 66383744 69042176 70243264 73269248 75867136 77186954 78905344 80278016 83124412 83492864 86453248 91746304 94389386 94999328 98803712 107873584 112193536 112918528 116171552 123284096 127655347 128221184 132767488 138084352 140486528 145467721 146538496 151734272 154373908 160556032 166248824 166985728 172906496 183492608 188778772 189998656 197607424 215747168 224387072 225837056 232343104 246568192 255310694 256442368 265534976 270154339 276168704 280973056 290935442 303468544 308747816 321112064 332497648 345812992 366985216 377557544 379997312 395214848 431494336 448774144 451674112 464686208 493136384 510621388 512884736 531069952 540308678 552337408 561946112 581870884 606937088 617495632 642224128 664995296 691625984 733970432 755115088 759994624 790429696 862988672 893587429 897548288 929372416 986272768 1021242776 1025769472 1062139904 1080617356 1123892224 1163741768 1213874176 1234991264 1284448256 1329990592 1383251968 1467940864 1510230176 1519989248 1580859392 1659519511 1725977344 1787174858 1795096576 1858744832 1891080373 1972545536 2042485552 2124279808 2161234712 2247784448 2327483536 2427748352 2469982528 2568896512 2659981184 2766503936 2935881728 3020460352 3039978496 3161718784 3319039022 3451954688 3574349716 3590193152 3717489664 3782160746 3945091072 4084971104 4248559616 4322469424 4495568896 4654967072 4855496704 4939965056 5137793024 5319962368 5533007872 5871763456 6040920704 6079956992 6255112003 6638078044 6903909376 7148699432 7180386304 7434979328 7564321492 7890182144 8169942208 8497119232 8644938848 8991137792 9309934144 9710993408 9879930112 10275586048 10639924736 11066015744 11616636577 12081841408 12159913984 12510224006 13276156088 13807818752 14297398864 14869958656 15128642984 15780364288 16339884416 16994238464 17289877696 17982275584 18619868288 19421986816 19759860224 20551172096 21279849472 22132031488 23233273154 24163682816 24319827968 25020448012 26552312176 27615637504 28594797728 29739917312 30257285968 31560728576 32679768832 33988476928 34579755392 35964551168 37239736576 39519720448 41102344192 42559698944 46466546308 48327365632 48639655936 50040896024 53104624352 55231275008 57189595456 59479834624 60514571936 63121457152 65359537664 67976953856 69159510784 71929102336 74479473152 79039440896 81316456039 85119397888 92933092616 96654731264 97279311872 100081792048 106209248704 110462550016 114379190912 118959669248 121029143872 126242914304 130719075328 135953907712 138319021568 143858204672 148958946304 158078881792 162632912078 170238795776 185866185232 193309462528 194558623744 200163584096 212418497408 220925100032 228758381824 237919338496 242058287744 252485828608 261438150656 276638043136 287716409344 297917892608 316157763584 325265824156 340477591552 371732370464 386618925056 389117247488 400327168192 424836994816 441850200064 457516763648 475838676992 484116575488 522876301312 553276086272 595835785216 632315527168 650531648312 680955183104 743464740928 773237850112 778234494976 800654336384 849673989632 883700400128 915033527296 951677353984 968233150976 1045752602624 1106552172544 1191671570432 1264631054336 1301063296624 1361910366208 1486929481856 1546475700224 1601308672768 1699347979264 1767400800256 1830067054592 1936466301952 2091505205248 2213104345088 2383343140864 2529262108672 2602126593248 2723820732416 2973858963712 3092951400448 3202617345536 3398695958528 3660134109184 3872932603904 4183010410496 4426208690176 4766686281728 5058524217344 5204253186496 5447641464832 5947717927424 6185902800896 6405234691072 6797391917056 7320268218368 7745865207808 8366020820992 8852417380352 9533372563456 10117048434688 10408506372992 11895435854848 12371805601792 12810469382144 13594783834112 14640536436736 15491730415616 16732041641984 17704834760704 19066745126912 20817012745984 23790871709696 25620938764288 27189567668224 29281072873472 30983460831232 33464083283968 35409669521408 38133490253824 41634025491968 47581743419392 51241877528576 54379135336448 58562145746944 61966921662464 70819339042816 83268050983936 95163486838784 102483755057152 108758270672896 117124291493888 123933843324928 166536101967872 190326973677568 204967510114304 217516541345792 234248582987776 247867686649856 333072203935744 380653947355136 409935020228608 435033082691584 495735373299712 666144407871488 761307894710272 819870040457216 1332288815742976 1522615789420544 1639740080914432 2664577631485952 3045231578841088 5329155262971904 10658310525943808 21316621051887616
• Sum of all divisors σ(n): 54682371648290232
• Sum of proper divisors (its aliquot sum) s(n): 33365750596402616
• 21316621051887616 is an abundant number, because the sum of its proper divisors (33365750596402616) is greater than itself. Its abundance is 12049129544515000

Bases of 21316621051887616

• Binary: 1001011101110110101101010011001100111000000000000000000₂
• Hexadecimal: 0x4BBB5A999C0000
• Base-36: 5TW40IRG4XS

Squares and roots of 21316621051887616

• 21316621051887616 squared (21316621051887616²) is 454398333069778292423396694163456
• 21316621051887616 cubed (21316621051887616³) is 9686237072657876630981476104536220684598846160896
• The square root of 21316621051887616 is 146002126.8745343175
• The cube root of 21316621051887616 is 277272.0680155423

Scales and comparisons

• 21,316,621,051,887,616 seconds is equal to 677,802,612 years, 42 weeks, 1 day, 12 hours, 20 minutes, 16 seconds.
• To count from 1 to 21,316,621,051,887,616 would take you about two billion, thirty-three million, four hundred seven thousand, eight hundred thirty-eight 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 21316621051887616 cubic inches would be around 23106 feet tall.

Recreational maths with 21316621051887616

• 21316621051887616 backwards is 61678815012661312
• 21316621051887616 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 21316621051887616's digits is 64
• More coming soon!