21321668339538

Names of 21321668339538

• Cardinal: 21321668339538 can be written as Twenty-one trillion, three hundred twenty-one billion, six hundred sixty-eight million, three hundred thirty-nine thousand, five hundred thirty-eight.

Scientific notation

• Scientific notation: 2.1321668339538 × 10¹³

Factors of 21321668339538

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 135

Divisors of 21321668339538

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 6 7 14 19 21 37 38 42 49 57 67 74 98 111 114 133 134 147 201 222 259 266 294 343 399 402 469 518 686 703 777 798 931 938 1029 1273 1406 1407 1554 1813 1862 2058 2109 2401 2479 2546 2793 2814 3283 3626 3819 4218 4489 4802 4921 4958 5439 5586 6517 6566 7203 7437 7638 8911 8978 9842 9849 10878 12691 13034 13467 14406 14763 14874 16807 17353 17822 19551 19698 22981 25382 26733 26934 29526 31423 33614 34447 34706 38073 39102 45619 45962 47101 50421 52059 53466 62377 62846 68894 68943 76146 85291 88837 91238 94202 94269 100842 103341 104118 121471 124754 136857 137886 141303 160867 166093 170582 177674 187131 188538 206682 219961 241129 242942 255873 266511 273714 282606 300763 319333 321734 329707 332186 364413 374262 436639 439922 482258 482601 498279 511746 533022 597037 601526 621859 638666 659414 659883 723387 728826 850297 873278 902289 957999 965202 989121 996558 1126069 1162651 1194074 1243718 1309917 1319766 1446774 1539727 1687903 1700594 1791111 1804578 1865577 1915998 1978242 2105341 2252138 2307949 2325302 2550891 2619834 3056473 3079454 3155767 3375806 3378207 3487953 3582222 3731154 4179259 4210682 4615898 4619181 5063709 5101782 5714497 5952079 6112946 6311534 6316023 6756414 6923847 6975906 8138557 8358518 9169419 9238362 9467301 10127418 10778089 11128231 11428994 11815321 11904158 12537777 12632046 13847694 14737387 16155643 16277114 17143491 17856237 18338838 18934602 21395311 21556178 22090369 22256462 23630642 24415671 25075554 29254813 29474774 32311286 32334267 33384693 34286982 35445963 35712474 40001479 41664553 42790622 44180738 44212161 48466929 48831342 56969899 58509626 64185933 64668534 66271107 66769386 70891926 75446623 77897617 80002958 83329106 87764439 88424322 96933858 103161709 113089501 113939798 120004437 124993659 128371866 132542214 150893246 154632583 155795234 170909697 175528878 204783691 206323418 211436389 226179002 226339869 233692851 240008874 249987318 280010353 309265166 309485127 339268503 341819394 398789293 409567382 422872778 452679738 463897749 467385702 545283319 560020706 614351073 618970254 634309167 678537006 722131963 791626507 797578586 840031059 927795498 1082428081 1090566638 1196367879 1228702146 1268618334 1433485837 1444263926 1480054723 1583253014 1635849957 1680062118 1960072471 2164856162 2166395889 2374879521 2392735758 2791525051 2866971674 2960109446 3247284243 3271699914 3816983233 3920144942 4300457511 4332791778 4440164169 4749759042 5054923741 5583050102 5880217413 6494568486 7576996567 7633966466 8374575153 8600915022 8880328338 10109847482 10360383061 11450949699 11760434826 13720507297 15153993134 15164771223 16749150306 20720766122 22730989701 22901899398 26718882631 27441014594 30329542446 31081149183 41161521891 45461979402 53038975969 53437765262 62162298366 72522681427 80156647893 82323043782 96043551079 106077951938 145045362854 159116927907 160313295786 187032178417 192087102158 217568044281 288130653237 318233855814 374064356834 435136088562 507658769989 561096535251 576261306474 1015317539978 1122193070502 1522976309967 3045952619934 3553611389923 7107222779846 10660834169769 21321668339538
• Sum of all divisors σ(n): 54598836787200
• Sum of proper divisors (its aliquot sum) s(n): 33277168447662
• 21321668339538 is an abundant number, because the sum of its proper divisors (33277168447662) is greater than itself. Its abundance is 11955500108124

Bases of 21321668339538

• Binary: 100110110010001010110011101111010011101010010₂
• Hexadecimal: 0x13645677A752
• Base-36: 7K31ETIZ6

Squares and roots of 21321668339538

• 21321668339538 squared (21321668339538²) is 454613540781257134054053444
• 21321668339538 cubed (21321668339538³) is 9693119139200997644718506369669790268872
• The square root of 21321668339538 is 4617539.2082296389
• The cube root of 21321668339538 is 27729.3950180349

Scales and comparisons

• 21,321,668,339,538 seconds is equal to 677,963 years, 5 weeks, 1 day, 17 hours, 52 minutes, 18 seconds.
• To count from 1 to 21,321,668,339,538 would take you about one million, six hundred ninety-four thousand, nine hundred 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 21321668339538 cubic inches would be around 2310.8 feet tall.

Recreational maths with 21321668339538

• 21321668339538 backwards is 83593386612312
• The number of decimal digits it has is: 14
• The sum of 21321668339538's digits is 60
• More coming soon!