21641791128320

Names of 21641791128320

• Cardinal: 21641791128320 can be written as Twenty-one trillion, six hundred forty-one billion, seven hundred ninety-one million, one hundred twenty-eight thousand, three hundred twenty.

Scientific notation

• Scientific notation: 2.164179112832 × 10¹³

Factors of 21641791128320

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 1284

Divisors of 21641791128320

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 4 5 8 10 11 16 17 20 22 32 34 40 44 55 61 64 68 80 85 88 110 121 122 127 128 136 160 170 176 187 220 242 244 254 256 272 305 320 340 352 374 440 484 488 508 544 605 610 635 640 671 680 704 748 880 935 968 976 1016 1037 1061 1088 1210 1220 1270 1280 1342 1360 1397 1408 1496 1760 1870 1936 1952 2032 2057 2074 2122 2159 2176 2420 2440 2540 2684 2720 2794 2816 2992 3355 3520 3740 3872 3904 4064 4114 4148 4244 4318 4352 4840 4880 5080 5185 5305 5368 5440 5588 5984 6710 6985 7040 7381 7480 7744 7747 7808 8128 8228 8296 8488 8636 9680 9760 10160 10285 10370 10610 10736 10795 10880 11176 11407 11671 11968 13420 13970 14080 14762 14960 15367 15488 15494 15616 16256 16456 16592 16976 17272 18037 19360 19520 20320 20570 20740 21220 21472 21590 21760 22352 22814 23342 23749 23936 26840 27940 29524 29920 30734 30976 30988 32512 32912 33184 33952 34544 36074 36905 38720 38735 39040 40640 41140 41480 42440 42944 43180 44704 45628 46684 47498 47872 53680 55880 57035 58355 59048 59840 61468 61976 64721 65824 66368 67904 69088 72148 73810 76835 77440 77470 78080 81280 82280 82960 84880 85217 85888 86360 89408 90185 91256 93368 94996 107360 111760 114070 116710 118096 118745 119680 122936 123952 125477 128381 129442 131648 131699 132736 134747 135808 138176 144296 147620 153670 154880 154940 162560 164560 165920 169760 170434 171776 172720 178816 180370 182512 186736 189992 198407 214720 223520 228140 233420 236192 237490 239360 245872 247904 250954 256762 258884 261239 263296 263398 265472 269494 271616 276352 288592 295240 307340 309880 323605 329120 331840 339520 340868 345440 357632 360740 365024 373472 379984 396814 426085 429440 447040 456280 466840 472384 474980 491744 495808 501908 513524 517768 522478 526592 526796 538988 552704 577184 590480 614680 619760 627385 641905 647210 658240 658495 663680 673735 679040 681736 690880 711931 721480 730048 746944 759968 793628 852170 858880 894080 912560 933680 937387 944768 949960 983488 991616 992035 1003816 1027048 1035536 1044956 1053592 1077976 1100257 1154368 1180960 1229360 1239520 1254770 1283810 1294420 1306195 1316480 1316990 1327360 1347470 1358080 1363472 1381760 1423862 1442960 1448689 1460096 1482217 1493888 1519936 1587256 1704340 1788160 1825120 1867360 1874774 1889536 1899920 1966976 1983232 1984070 2007632 2054096 2071072 2089912 2107184 2155952 2182477 2200514 2290699 2308736 2361920 2458720 2479040 2509540 2567620 2588840 2612390 2632960 2633980 2694940 2726944 2763520 2847724 2885920 2897378 2920192 2964434 2987776 3039872 3174512 3408680 3559655 3650240 3734720 3749548 3799840 3933952 3968140 4015264 4108192 4142144 4179824 4214368 4311904 4364954 4401028 4581398 4617472 4686935 4723840 4917440 4958080 5019080 5135240 5177680 5224780 5267960 5389880 5453888 5501285 5695448 5771840 5794756 5928868 6079744 6349024 6817360 7119310 7243445 7300480 7411085 7469440 7499096 7599680 7831241 7936280 8030528 8216384 8219567 8284288 8359648 8428736 8623808 8729908 8802056 9162796 9373870 9447680 9834880 9916160 10038160 10270480 10355360 10449560 10535920 10779760 10907776 10912385 11002570 11390896 11453495 11543680 11589512 11857736 12102827 12698048 13634720 14238620 14486890 14600960 14822170 14938880 14998192 15199360 15662482 15872560 15935579 16061056 16304387 16432768 16439134 16568576 16719296 16857472 17247616 17459816 17604112 18325592 18747740 19669760 20076320 20540960 20710720 20899120 21071840 21559520 21815552 21824770 22005140 22781792 22906990 23087360 23179024 23715472 24205654 25197689 25396096 27269440 28477240 28973780 29644340 29996384 30398720 31324964 31745120 31871158 32122112 32608774 32865536 32878268 33438592 33714944 34495232 34919632 35208224 36651184 37495480 39156205 40152640 41081920 41097835 41421440 41798240 42143680 43119040 43649540 44010280 45563584 45813980 46358048 47430944 48411308 50395378 50792192 54538880 56954480 57947560 59288680 59992768 60514135 62649928 63490240 63742316 65217548 65756536 66877184 69839264 70416448 73302368 74990960 78312410 79677895 80305280 81521935 82163840 82195670 82842880 83596480 84287360 86238080 87299080 88020560 90415237 91127168 91627960 92716096 94861888 96822616 100790756 109077760 113908960 115895120 118577360 119985536 121028270 125299856 125988445 126980480 127484632 130435096 131513072 133131097 139678528 139732639 140832896 146604736 149981920 156624820 159355790 160610560 163043870 164327680 164391340 167192960 168574720 172476160 174598160 176041120 180830474 182254336 183255920 185432192 189723776 193645232 201581512 227817920 231790240 237154720 239971072 242056540 250599712 251976890 253960960 254969264 260870192 263026144 266262194 277174579 279357056 279465278 281665792 293209472 299963840 313249640 318711580 326087740 328782680 334385920 349196320 352082240 361660948 366511840 370864384 379447552 387290464 403163024 452076185 455635840 463580480 474309440 484113080 501199424 503953780 509938528 521740384 526052288 532524388 554349158 558714112 558930556 586418944 599927680 626499280 637423160 652175480 657565360 665655485 698392640 698663195 704164480 723321896 733023680 774580928 806326048 904152370 911271680 927160960 948618880 968226160 994567607 1002398848 1007907560 1019877056 1043480768 1052104576 1065048776 1108698316 1117861112 1199855360 1252998560 1274846320 1304350960 1315130720 1331310970 1385872895 1396785280 1397326390 1408328960 1446643792 1466047360 1537059029 1549161856 1612652096 1808304740 1854321920 1897237760 1936452320 1989135214 2004797696 2015815120 2039754112 2086961536 2104209152 2130097552 2217396632 2235722224 2505997120 2549692640 2608701920 2630261440 2662621940 2771745790 2793570560 2794652780 2893287584 2932094720 3074118058 3098323712 3225304192 3616609480 3872904640 3978270428 4031630240 4079508224 4173923072 4260195104 4434793264 4471444448 4972838035 5011994240 5099385280 5217403840 5260522880 5325243880 5543491580 5589305560 5786575168 6148236116 6450608384 7233218960 7685295145 7745809280 7956540856 8063260480 8520390208 8869586528 8942888896 9945676070 10023988480 10198770560 10434807680 10521045760 10650487760 11086983160 11178611120 11573150336 12296472232 14466437920 15370590290 15491618560 15913081712 16126520960 16907649319 17040780416 17739173056 17885777792 19891352140 20397541120 20869615360 21300975520 22173966320 22357222240 23146300672 24592944464 28932875840 30741180580 31826163424 32253041920 33815298638 34081560832 35478346112 35771555584 39782704280 42601951040 44347932640 44714444480 49185888928 57865751680 61482361160 63652326848 67630597276 70956692224 79565408560 84538246595 85203902080 88695865280 89428888960 98371777856 115731503360 122964722320 127304653696 135261194552 159130817120 169076493190 170407804160 177391730560 178857777920 196743555712 245929444640 254609307392 270522389104 318261634240 338152986380 354783461120 393487111424 491858889280 541044778208 636523268480 676305972760 983717778560 1082089556416 1273046536960 1352611945520 1967435557120 2164179112832 2705223891040 4328358225664 5410447782080 10820895564160 21641791128320
• Sum of all divisors σ(n): 61861788592128
• Sum of proper divisors (its aliquot sum) s(n): 40219997463808
• 21641791128320 is an abundant number, because the sum of its proper divisors (40219997463808) is greater than itself. Its abundance is 18578206335488

Bases of 21641791128320

• Binary: 100111010111011011111010001011100001100000000₂
• Hexadecimal: 0x13AEDF45C300
• Base-36: 7O63NNVNK

Squares and roots of 21641791128320

• 21641791128320 squared (21641791128320²) is 468367123241830258706022400
• 21641791128320 cubed (21641791128320³) is 10136303452571802170783326019275194368000
• The square root of 21641791128320 is 4652073.8524146411
• The cube root of 21641791128320 is 27867.4822857615

Scales and comparisons

• 21,641,791,128,320 seconds is equal to 688,142 years, 5 days, 14 hours, 45 minutes, 20 seconds.
• To count from 1 to 21,641,791,128,320 would take you about one million, seven hundred twenty thousand, three hundred fifty-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 21641791128320 cubic inches would be around 2322.3 feet tall.

Recreational maths with 21641791128320

• 21641791128320 backwards is 02382119714612
• The number of decimal digits it has is: 14
• The sum of 21641791128320's digits is 47
• More coming soon!