21365444863616672

Names of 21365444863616672

• Cardinal: 21365444863616672 can be written as Twenty-one quadrillion, three hundred sixty-five trillion, four hundred forty-four billion, eight hundred sixty-three million, six hundred sixteen thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 2.1365444863616672 × 10¹⁶

Factors of 21365444863616672

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 204

Divisors of 21365444863616672

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 4 7 8 13 14 16 19 26 28 32 38 52 56 76 91 104 112 133 152 163 169 182 208 224 247 266 304 326 338 361 364 416 494 532 608 652 676 722 728 988 1064 1141 1183 1304 1352 1444 1456 1729 1976 2119 2128 2282 2366 2527 2608 2704 2888 2912 3097 3211 3458 3952 4238 4256 4564 4693 4732 5054 5216 5408 5776 6194 6422 6859 6916 7904 8476 9128 9386 9464 10108 11552 12388 12844 13718 13832 14833 16952 18256 18772 18928 20216 21679 22477 24776 25688 26569 27436 27547 27664 29666 32851 33904 36512 37544 37856 40261 40432 43358 44954 48013 49552 51376 53138 54872 55094 55328 58843 59332 61009 65702 67808 75088 80522 80864 86716 89167 89908 96026 99104 102752 106276 109744 110188 117686 118664 122018 130321 131404 150176 161044 173432 178334 179816 185983 192052 192829 212552 219488 220376 235372 237328 244036 260642 262808 281827 322088 345397 346864 356668 359632 371966 384104 385658 411901 425104 427063 440752 470744 474656 488072 504811 521284 523393 525616 563654 624169 644176 690794 693728 713336 719264 743932 764959 768208 771316 823802 850208 854126 881504 912247 941488 976144 1009622 1042568 1046786 1051232 1118017 1127308 1159171 1248338 1288352 1381588 1426672 1487864 1529918 1536416 1542632 1647604 1694173 1708252 1824494 1882976 1952288 2019244 2085136 2093572 2236034 2254616 2318342 2417779 2496676 2763176 2853344 2975728 3059836 3085264 3295208 3388346 3416504 3533677 3648988 3663751 4038488 4170272 4187144 4330747 4472068 4490161 4509232 4636684 4835558 4993352 5354713 5526352 5951456 6119672 6170528 6562543 6590416 6776692 6833008 7067354 7297976 7327502 7826119 8076976 8114197 8374288 8661494 8944136 8980322 9018464 9273368 9591409 9671116 9944467 9986704 10709426 11052704 11859211 12239344 13125086 13180832 13553384 13666016 14134708 14534221 14595952 14655004 15652238 16153952 16228394 16748576 17322988 17888272 17960644 18546736 19182818 19342232 19888934 19973408 21242323 21418852 22024249 23718422 24478688 26250172 27106768 28269416 29068442 29191904 29310008 30315229 31304476 31431127 32456788 34645976 35776544 35921288 37093472 38365636 38684464 39777868 42484646 42837704 44048498 45937801 47436844 52500344 54213536 56299711 56538832 58136884 58620016 60630458 62608952 62862254 64913576 67139863 69291952 69611269 71842576 76731272 77368928 79555736 82284193 84969292 85313059 85675408 88096996 91875602 94873688 101739547 105000688 112599422 113077664 116273768 117240032 121260916 124688317 125217904 125724508 129827152 134279726 138583904 139222538 143685152 148696261 153462544 154169743 159111472 164568386 169938584 170626118 171350816 176193992 182236771 183751204 188944873 189747376 203479094 210001376 225198844 232547536 242521832 249376634 250435808 251449016 259654304 268559452 276150199 278445076 297392522 306925088 308339486 318222944 329136772 339877168 341252236 352387984 364473542 367502408 377889746 379494752 394097977 406958188 450397688 465095072 485043664 498753268 502898032 537118904 552300398 556890152 575989351 594785044 597191413 616678972 658273544 679754336 682504472 704775968 728947084 731896243 735004816 755779492 788195954 813916376 872818219 900795376 970087328 997506536 1005796064 1069694509 1074237808 1104600796 1113780304 1151978702 1189570088 1194382826 1233357944 1275657397 1316547088 1322614111 1365008944 1457894168 1463792486 1470009632 1511558984 1563399667 1576391908 1620948121 1627832752 1745636438 1801590752 1933051393 1995013072 2139389018 2148475616 2209201592 2227560608 2303957404 2369078023 2379140176 2388765652 2466715888 2551314794 2633094176 2645228222 2730017888 2915788336 2927584972 3023117968 3126799334 3152783816 3241896242 3255665504 3462498649 3491272876 3589952587 3866102786 3990026144 4278778036 4418403184 4607914808 4738156046 4758280352 4777531304 4933431776 5102629588 5123273701 5290456444 5831576672 5855169944 6046235936 6253598668 6305567632 6483792484 6924997298 6982545752 7179905174 7487861563 7732205572 8557556072 8836806368 9215829616 9476312092 9555062608 10205259176 10246547402 10580912888 10943797669 11346636847 11710339888 12507197336 12611135264 12967584968 13849994596 13906028617 13965091504 14359810348 14975723126 15464411144 16583546161 17115112144 18431659232 18952624184 19110125216 20324195671 20410518352 20493094804 21161825776 21887595338 22693273694 23420679776 24237490543 25014394672 25129668109 25935169936 27699989192 27812057234 27930183008 28719620696 29704593673 29951446252 30798014299 30928822288 33167092322 34230224288 37905248368 40648391342 40821036704 40986189608 42323651552 43775190676 45012482437 45386547388 48474981086 50028789344 50259336218 51870339872 55399978384 55624114468 57439241392 59409187346 59902892504 61596028598 61857644576 66334184644 75810496736 81296782684 81972379216 87550381352 90024964874 90773094776 96949962172 97342200319 100518672436 110799956768 111248228936 114878482784 118818374692 119805785008 123192057196 132668369288 142269369697 162593565368 163944758432 175100762704 180049929748 181546189552 193899924344 194684400638 201037344872 207932155711 215586100093 222496457872 237636749384 239611570016 246384114392 264214543723 265336738576 284538739394 315087377059 325187130736 350201525408 360099859496 363092379104 386159717749 387799848688 389368801276 402074689744 415864311422 431172200186 444992915744 475273498768 492768228784 528429087446 530673477152 564387279787 569077478788 585162271681 630174754118 650374261472 720199718992 772319435498 775599697376 778737602552 804149379488 831728622844 862344400372 950546997536 985536457568 1056858174892 1128774559574 1138154957576 1170324543362 1260349508236 1440399437984 1544638870996 1557475205104 1663457245688 1724688800744 1849501806061 2113716349784 2257549119148 2276309915152 2340649086724 2520699016472 2703118024243 3089277741992 3114950410208 3326914491376 3449377601488 3699003612122 3950710958509 4096135901767 4227432699568 4515098238296 4552619830304 4681298173448 5020076330737 5041398032944 5406236048486 6178555483984 6653828982752 6898755202976 7337034637231 7398007224244 7901421917018 8192271803534 8454865399136 9030196476592 9362596346896 10040152661474 10082796065888 10812472096972 12357110967968 14674069274462 14796014448488 15802843834036 16384543607068 18060392953184 18725192693792 20080305322948 21624944193944 29348138548924 29592028896976 31605687668072 32769087214136 35140534315159 40160610645896 43249888387888 51359242460617 58696277097848 59184057793952 63211375336144 65538174428272 70281068630318 80321221291792 86499776775776 95381450284003 102718484921234 117392554195696 126422750672288 131076348856544 140562137260636 160642442583584 190762900568006 205436969842468 234785108391392 281124274521272 381525801136012 410873939684936 562248549042544 667670151988021 763051602272024 821747879369872 1124497098085088 1335340303976042 1526103204544048 1643495758739744 2670680607952084 3052206409088096 5341361215904168 10682722431808336 21365444863616672
• Sum of all divisors σ(n): 55285641456816960
• Sum of proper divisors (its aliquot sum) s(n): 33920196593200288
• 21365444863616672 is an abundant number, because the sum of its proper divisors (33920196593200288) is greater than itself. Its abundance is 12554751729583616

Bases of 21365444863616672

• Binary: 1001011111001111100001001000111100100000110011010100000₂
• Hexadecimal: 0x4BE7C2479066A0
• Base-36: 5UDF1VCCWBK

Squares and roots of 21365444863616672

• 21365444863616672 squared (21365444863616672²) is 456482234220244031998492156355584
• 21365444863616672 cubed (21365444863616672³) is 9752946006453175476409658193453779129209102696448
• The square root of 21365444863616672 is 146169233.6424347269
• The cube root of 21365444863616672 is 277483.5955505359

Scales and comparisons

• 21,365,444,863,616,672 seconds is equal to 679,355,059 years, 1 day, 1 hour, 4 minutes, 32 seconds.
• To count from 1 to 21,365,444,863,616,672 would take you about two billion, thirty-eight million, sixty-five thousand, one hundred seventy-seven 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 21365444863616672 cubic inches would be around 23123.6 feet tall.

Recreational maths with 21365444863616672

• 21365444863616672 backwards is 27661636844456312
• The number of decimal digits it has is: 17
• The sum of 21365444863616672's digits is 74
• More coming soon!