21331679490420

Names of 21331679490420

• Cardinal: 21331679490420 can be written as Twenty-one trillion, three hundred thirty-one billion, six hundred seventy-nine million, four hundred ninety thousand, four hundred twenty.

Scientific notation

• Scientific notation: 2.133167949042 × 10¹³

Factors of 21331679490420

• Number of distinct prime factors ω(n): 9
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2994

Divisors of 21331679490420

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 10 12 13 15 19 20 26 30 38 39 41 52 57 60 65 73 76 78 82 95 114 123 130 146 156 164 181 190 195 205 219 228 246 247 260 285 292 362 365 380 390 410 438 492 494 533 543 570 615 724 730 741 779 780 820 876 905 949 988 1066 1086 1095 1140 1230 1235 1387 1460 1482 1558 1599 1810 1898 2132 2172 2190 2337 2353 2460 2470 2657 2665 2715 2774 2847 2964 2993 3116 3198 3439 3620 3705 3796 3895 4161 4380 4674 4706 4745 4940 5314 5330 5430 5548 5694 5986 6396 6878 6935 7059 7410 7421 7790 7971 7995 8322 8979 9348 9412 9490 10127 10317 10628 10660 10860 11388 11685 11765 11972 13213 13285 13756 13870 14118 14235 14820 14842 14965 15580 15942 15990 16644 17195 17958 18031 18980 20254 20634 20805 22263 23370 23530 26426 26570 27740 28236 28470 29684 29930 30381 31884 31980 34390 34541 35295 35916 36062 37105 38909 39639 39855 40508 41268 41610 44526 44707 44895 46740 47060 50483 50635 51585 52852 53140 54093 56867 56940 59860 60762 66065 68780 69082 70590 72124 74210 77818 79278 79710 83220 89052 89414 89790 90155 96473 100966 101270 103170 103623 108186 108937 111315 113734 116727 121524 132130 134121 138164 140999 141180 148420 151449 151905 155636 158556 159420 170601 171769 172705 178828 179580 180310 192946 193961 194545 198195 201932 202540 206340 207246 216372 217874 222630 223535 227468 233454 251047 252415 264260 268242 270465 281998 284335 289419 302898 303810 326811 341202 343538 345410 360620 385892 387922 389090 396390 414492 422997 435748 445260 447070 466908 480917 482365 502094 504830 515307 518115 536484 540930 541733 544685 563996 568670 578838 581883 583635 605796 607620 653622 656279 670605 682404 687076 690820 704995 739271 753141 757245 775844 778180 792780 845994 853005 858845 894140 961834 964730 969805 1004188 1009660 1030614 1036230 1081860 1083466 1089370 1137340 1157676 1163766 1167270 1255235 1307244 1312558 1341210 1409990 1416181 1442751 1447095 1478542 1506282 1514490 1625199 1634055 1691988 1706010 1717690 1832987 1923668 1929460 1939610 1968837 2061228 2069803 2072460 2114985 2166932 2178740 2217813 2327532 2334540 2404585 2510470 2521493 2576535 2625116 2682420 2708665 2819980 2832362 2885502 2894190 2909415 2957084 3012564 3028980 3250398 3263611 3268110 3281395 3412020 3435380 3665974 3685259 3696355 3765705 3879220 3937674 4139606 4229970 4248543 4435626 4809170 5020940 5042986 5153070 5417330 5498961 5664724 5771004 5788380 5818830 6209409 6251921 6500796 6527222 6536220 6562790 7042529 7080905 7213755 7331948 7370518 7392710 7531410 7564479 7875348 7952401 8125995 8279212 8459940 8497086 8871252 9137423 9164935 9618340 9790833 9844185 10085972 10292927 10306140 10349015 10834660 10997922 11055777 11089065 11637660 12418818 12503842 12607465 13054444 13125580 14085058 14161810 14427510 14741036 14785420 15062820 15128958 15904802 16251990 16318055 16994172 18274846 18329870 18426295 18755763 19581666 19688370 19717597 20585854 20698030 21127587 21242715 21995844 22111554 22178130 23857203 24837636 25007684 25214930 26907439 27412269 27494805 28170116 28323620 28855020 30257916 30878781 31047045 31259605 31809604 32503980 32636110 35106941 35212645 36549692 36659740 36852590 37511526 37822395 39163332 39376740 39435194 39762005 41171708 41396060 42255174 42485430 44223108 44356260 45687115 47714406 47908367 48954165 50429860 51464635 53814878 54824538 54989610 55278885 59152791 61757562 62094090 62519210 65272220 70213882 70425290 73705180 75023052 75644790 78870388 79524010 80722317 84510348 84970860 91374230 93778815 95428812 95816734 97908330 98587985 102929270 103381213 105320823 105637935 107629756 109649076 109979220 110557770 118305582 118786499 119286015 123515124 124188180 125038420 133808051 134537195 137061345 140427764 140850580 143725101 151095619 151289580 154393905 159048020 161444634 175534705 182748460 187557630 191633468 195816660 197175970 205858540 206762426 210641646 211275870 221115540 236611164 237572998 238572030 239541835 256328761 267616102 269074390 274122690 287450202 295763955 302191238 308787810 310143639 322889268 351069410 356359497 374634343 375115260 394351940 401424153 403611585 413524852 421283292 422551740 453286857 456390233 475145996 477144060 479083670 512657522 516906065 526604115 535232204 538148780 548245380 574900404 591527910 593932495 604382476 617575620 620287278 667031879 669040255 702138820 712718994 718625505 749268686 755478095 768986283 802848306 807223170 906573714 912780466 958167340 1025315044 1033812130 1053208230 1123903029 1183055820 1187864990 1240574556 1281643805 1334063758 1338080510 1369170699 1425437988 1437251010 1439384581 1498537372 1510956190 1537972566 1550718195 1605696612 1614446340 1781797485 1813147428 1825560932 1873171715 1964243047 2001095637 2007120765 2067624260 2106416460 2247806058 2266434285 2281951165 2375729980 2563287610 2668127516 2676161020 2738341398 2874502020 2878769162 3021912380 3075945132 3101436390 3335159395 3563594970 3746343430 3844931415 3928486094 4002191274 4014241530 4318153743 4495612116 4532868570 4563902330 4870246459 5126575220 5476682796 5619515145 5757538324 5892729141 6202872780 6670318790 6845853495 7127189940 7196922905 7492686860 7689862830 7856972188 8004382548 8028483060 8636307486 8671414427 9065737140 9127804660 9740492918 9821215235 10005478185 11239030290 11785458282 13340637580 13691706990 14393845810 14610739377 15379725660 17272614972 17342828854 18711999553 19480985836 19642430470 20010956370 21590768715 22478060580 23570916564 24351232295 26014243281 27348307039 27383413980 28787691620 29221478754 29463645705 34685657708 37423999106 39284860940 40021912740 43181537430 43357072135 48702464590 52028486562 54696614078 56135998659 58442957508 58927291410 73053696885 74847998212 82044921117 86363074860 86714144270 93559997765 97404929180 104056973124 109393228156 112271997318 117854582820 130071216405 136741535195 146107393770 164089842234 173428288540 187119995530 224543994636 260142432810 273483070390 280679993295 292214787540 328179684468 355527991507 374239991060 410224605585 520284865620 546966140780 561359986590 711055983014 820449211170 1066583974521 1122719973180 1422111966028 1640898422340 1777639957535 2133167949042 3555279915070 4266335898084 5332919872605 7110559830140 10665839745210 21331679490420
• Sum of all divisors σ(n): 70725282001920
• Sum of proper divisors (its aliquot sum) s(n): 49393602511500
• 21331679490420 is an abundant number, because the sum of its proper divisors (49393602511500) is greater than itself. Its abundance is 28061923021080

Bases of 21331679490420

• Binary: 100110110011010101011001011011011000101110100₂
• Hexadecimal: 0x1366AB2DB174
• Base-36: 7K7MZ78FO

Squares and roots of 21331679490420

• 21331679490420 squared (21331679490420²) is 455040549882005270871776400
• 21331679490420 cubed (21331679490420³) is 9706779165227410787677809265512182088000
• The square root of 21331679490420 is 4618623.1162999217
• The cube root of 21331679490420 is 27733.7342613605

Scales and comparisons

• 21,331,679,490,420 seconds is equal to 678,281 years, 22 weeks, 13 hours, 7 minutes.
• To count from 1 to 21,331,679,490,420 would take you about one million, six hundred ninety-five thousand, seven hundred three 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 21331679490420 cubic inches would be around 2311.1 feet tall.

Recreational maths with 21331679490420

• 21331679490420 backwards is 02409497613312
• The number of decimal digits it has is: 14
• The sum of 21331679490420's digits is 51
• More coming soon!