21679686019728

Names of 21679686019728

• Cardinal: 21679686019728 can be written as Twenty-one trillion, six hundred seventy-nine billion, six hundred eighty-six million, nineteen thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 2.1679686019728 × 10¹³

Factors of 21679686019728

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 783

Divisors of 21679686019728

• Number of divisors d(n): 960
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 23 24 27 33 36 44 46 48 54 61 66 69 72 81 88 92 99 108 122 132 138 144 162 176 183 184 198 207 216 243 244 253 264 276 297 324 366 368 396 414 432 486 488 506 528 529 549 552 594 621 648 671 683 732 759 792 828 891 972 976 1012 1058 1098 1104 1188 1242 1296 1342 1366 1403 1464 1518 1584 1587 1647 1656 1782 1863 1944 2013 2024 2049 2116 2196 2277 2376 2484 2673 2684 2732 2806 2928 3036 3174 3294 3312 3564 3726 3888 4026 4048 4098 4209 4232 4392 4554 4752 4761 4941 4968 5346 5368 5464 5589 5612 5819 6039 6072 6147 6348 6588 6831 7128 7452 7513 8052 8196 8418 8464 8784 9108 9522 9882 9936 10692 10736 10928 11178 11224 11638 12078 12144 12167 12294 12627 12696 13176 13662 14256 14283 14823 14904 15026 15433 15709 16104 16392 16836 17457 18117 18216 18441 19044 19764 20493 21384 22356 22448 22539 23276 24156 24334 24588 25254 25392 26352 27324 28566 29646 29808 30052 30866 31418 32208 32269 32784 33672 34914 36234 36432 36501 36882 37881 38088 39528 40986 41663 42768 42849 44712 45078 46299 46552 47127 48312 48668 49176 50508 52371 54351 54648 55323 57132 59292 60104 61479 61732 62836 64538 67344 67617 69828 72468 73002 73764 75762 76176 79056 81972 83326 85698 89424 90156 92598 93104 94254 96624 96807 97336 98352 101016 104742 108702 109296 109503 110646 113643 114264 118584 120208 122958 123464 124989 125672 128547 129076 133837 135234 138897 139656 141381 144936 146004 147528 151524 157113 163053 163944 165969 166652 171396 172799 180312 185196 188508 193614 194672 202032 202851 209484 217404 219006 221292 227286 228528 237168 245916 246928 249978 251344 257094 258152 267674 270468 277794 279312 282762 289872 290421 292008 295056 303048 314226 326106 327888 328509 331938 333304 340929 342792 345598 354959 360624 361307 370392 374967 377016 387228 401511 405702 416691 418968 424143 434808 438012 442584 454572 458293 471339 491832 499956 514188 516304 518397 535348 540936 555588 565524 580842 584016 606096 608553 628452 652212 657018 663876 666608 681858 685584 691196 709918 722614 740784 742187 749934 754032 774456 803022 811404 833382 837936 848286 869616 871263 876024 885168 909144 916586 942678 958249 983664 985527 999912 1028376 1036794 1064877 1070696 1081872 1083921 1111176 1124901 1131048 1161684 1204533 1217106 1250073 1256904 1272429 1304424 1314036 1327752 1363716 1374879 1382392 1414017 1419836 1445228 1484374 1499868 1548912 1555191 1606044 1622808 1666764 1696572 1742526 1752048 1818288 1825659 1833172 1885356 1916498 1971054 1999824 2056752 2073588 2129754 2141392 2167842 2222352 2226561 2249802 2262096 2323368 2409066 2434212 2500146 2513808 2544858 2608848 2613789 2628072 2655504 2727432 2749758 2764784 2828034 2839672 2874747 2890456 2956581 2968748 2999736 3110382 3194631 3212088 3245616 3251763 3333528 3374703 3393144 3485052 3613599 3651318 3666344 3750219 3770712 3817287 3832996 3942108 3974377 4124637 4147176 4259508 4335684 4453122 4499604 4646736 4665573 4818132 4868424 5000292 5089716 5227578 5256144 5454864 5499516 5656068 5679344 5749494 5780912 5913162 5937496 5999472 6220764 6389262 6424176 6503526 6667056 6679683 6749406 6786288 6970104 7227198 7302636 7332688 7500438 7541424 7634574 7665992 7841367 7884216 7948754 8164057 8249274 8294352 8310061 8519016 8624241 8671368 8906244 8999208 9331146 9583893 9636264 9736848 9755289 10000584 10124109 10179432 10455156 10540739 10840797 10999032 11312136 11498988 11826324 11874992 11923131 12373911 12441528 12778524 13007052 13359366 13498812 13940208 13996719 14454396 14605272 15000876 15269148 15331984 15682734 15768432 15897508 16328114 16498548 16620122 17038032 17248482 17342736 17812488 17998416 18662292 19167786 19272528 19510578 20001168 20039049 20248218 20358864 20910312 21081478 21681594 21998064 22039727 22624272 22997976 23652648 23846262 24492171 24747822 24883056 24930183 25557048 25872723 26014104 26718732 26997624 27993438 28751679 28908792 29210544 29265867 30001752 30538296 31365468 31622217 31795016 32522391 32656228 32997096 33240244 34496964 35624976 35769393 37121733 37324584 38335572 39021156 40078098 40496436 41820624 41990157 42162956 43363188 44079454 45995952 47305296 47692524 48984342 49495644 49860366 51114096 51745446 52028208 53437464 53995248 55986876 57503358 57817584 58531734 60003504 60117147 61076592 62730936 63244434 63590032 65044782 65312456 65994192 66119181 66480488 68993928 71538786 73476513 74243466 74649168 74790549 76671144 77618169 78042312 80156196 80992872 83980314 84325912 86255037 86726376 87797601 88158908 91410671 94866651 95385048 97968684 98991288 99720732 103490892 106874928 107308179 111365199 111973752 115006716 117063468 120234294 125461872 126488868 130089564 130624912 132238362 132960976 137987856 143077572 146953026 148486932 149581098 153342288 155236338 156084624 160312392 161985744 167960628 168651824 172510074 173452752 175595202 176317816 180351441 182821342 189733302 190770096 195937368 197982576 198357543 199441464 206981784 214616358 220429539 222730398 223947504 224371647 230013432 232854507 234126936 240468588 242436997 252977736 260179128 264476724 274232013 284599953 286155144 293906052 296973864 299162196 310472676 320624784 321924537 335921256 345020148 351190404 352635632 360702882 365642684 379466604 391874736 396715086 398882928 413963568 429232716 440859078 445460796 448743294 460026864 465709014 468253872 480937176 484873994 505955472 506913721 520358256 528953448 548464026 569199906 572310288 587812104 593947728 595072629 598324392 620945352 643849074 661288617 671842512 673114941 690040296 702380808 721405764 727310991 731285368 758933208 793430172 822696039 853799859 858465432 881718156 890921592 897486588 931418028 961874352 965773611 969747988 1013827442 1057906896 1096928052 1138399812 1175624208 1190145258 1196648784 1241890704 1287698148 1322577234 1346229882 1380080592 1404761616 1442811528 1454621982 1462570736 1517866416 1520741163 1586860344 1645392078 1707599718 1716930864 1763436312 1781843184 1785217887 1794973176 1862836056 1931547222 1939495976 1983865851 2019344823 2027654884 2181932973 2193856104 2276799624 2380290516 2468088117 2561399577 2575396296 2645154468 2692459764 2885623056 2909243964 3041482326 3173720688 3290784156 3415199436 3526872624 3570435774 3589946352 3725672112 3863094444 3878991952 3967731702 4038689646 4055309768 4363865946 4387712208 4553599248 4562223489 4760581032 4936176234 5122799154 5150792592 5290308936 5355653661 5384919528 5576050931 5818487928 6082964652 6545798919 6581568312 6830398872 7140871548 7404264351 7726188888 7935463404 8077379292 8110619536 8727731892 9124446978 9521162064 9872352468 10245598308 10580617872 10711307322 10769839056 11152101862 11636975856 12165929304 13091597838 13163136624 13660797744 13686670467 14281743096 14808528702 15452377776 15870926808 16154758584 16728152793 17455463784 18248893956 19637396757 19744704936 20491196616 21422614644 22212793053 22304203724 24331858608 26183195676 27373340934 28563486192 29617057404 31741853616 32309517168 33456305586 34910927568 36497787912 39274793514 39489409872 40982393232 41060011401 42845229288 44425586106 44608407448 50184458379 52366391352 54746681868 58912190271 59234114808 66912611172 72995575824 78549587028 82120022802 85690458576 88851172212 89216814896 100368916758 104732782704 109493363736 117824380542 118468229616 123180034203 133825222344 150553375137 157099174056 164240045604 177702344424 200737833516 218986727472 235648761084 246360068406 267650444688 301106750274 314198348112 328480091208 355404688848 401475667032 451660125411 471297522168 492720136812 602213500548 656960182416 802951334064 903320250822 942595044336 985440273624 1204427001096 1354980376233 1806640501644 1970880547248 2408854002192 2709960752466 3613281003288 5419921504932 7226562006576 10839843009864 21679686019728
• Sum of all divisors σ(n): 73043104942080
• Sum of proper divisors (its aliquot sum) s(n): 51363418922352
• 21679686019728 is an abundant number, because the sum of its proper divisors (51363418922352) is greater than itself. Its abundance is 29683732902624

Bases of 21679686019728

• Binary: 100111011011110110001111110111110101010010000₂
• Hexadecimal: 0x13B7B1FBEA90
• Base-36: 7ONIDAX00

Squares and roots of 21679686019728

• 21679686019728 squared (21679686019728²) is 470008785913989691205193984
• 21679686019728 cubed (21679686019728³) is 10189642905128852841076755770305090916352
• The square root of 21679686019728 is 4656144.9740883283
• The cube root of 21679686019728 is 27883.7381713185

Scales and comparisons

• 21,679,686,019,728 seconds is equal to 689,346 years, 49 weeks, 4 days, 21 hours, 28 minutes, 48 seconds.
• To count from 1 to 21,679,686,019,728 would take you about one million, seven hundred twenty-three thousand, three hundred sixty-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 21679686019728 cubic inches would be around 2323.6 feet tall.

Recreational maths with 21679686019728

• 21679686019728 backwards is 82791068697612
• 21679686019728 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21679686019728's digits is 72
• More coming soon!