21009281224239

Names of 21009281224239

• Cardinal: 21009281224239 can be written as Twenty-one trillion, nine billion, two hundred eighty-one million, two hundred twenty-four thousand, two hundred thirty-nine.

Scientific notation

• Scientific notation: 2.1009281224239 × 10¹³

Factors of 21009281224239

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1090

Divisors of 21009281224239

• Number of divisors d(n): 576
• Complete list of divisors:
  1 3 7 9 11 19 21 31 33 49 57 61 63 77 93 99 133 147 149 171 183 209 217 231 279 341 399 427 441 447 539 549 589 627 651 671 693 809 931 1023 1043 1159 1197 1281 1341 1463 1519 1617 1639 1767 1881 1891 1953 2013 2387 2427 2793 2831 2989 3069 3129 3477 3843 4123 4389 4557 4619 4697 4851 4917 5301 5663 5673 6039 6479 7161 7281 7301 8113 8379 8493 8899 8967 9089 9387 10241 10431 11473 12369 12749 13167 13237 13671 13857 14091 14751 15371 16709 16989 17019 19437 19817 20801 21483 21903 24339 25079 25479 26697 26901 27267 28861 30723 31141 32333 32879 34419 35929 37107 38247 39641 39711 41571 42273 45353 46113 49349 50127 50809 50967 56791 58311 59451 62293 62403 63623 65709 73017 75237 80091 80311 81801 86583 87761 89243 92169 92659 93423 96999 98637 99979 103257 107597 107787 114741 118923 119133 120541 136059 138339 138719 145607 148047 150381 152427 169081 170373 172691 175553 178353 186879 187209 190869 217987 225711 226331 240933 251503 259749 263283 267729 275869 277977 280269 281759 290997 295911 299937 317471 322791 323361 345443 355663 356769 361623 395219 408177 416157 436051 436821 444141 445361 457281 476501 507243 511119 518073 526659 542839 560637 572607 614327 624701 653961 678993 699853 722799 753179 754509 789849 803187 827607 833931 843787 845277 899811 937631 952413 965371 968373 1019249 1036329 1066989 1084869 1183567 1185657 1208837 1228871 1248471 1308153 1310463 1325951 1336083 1429503 1521729 1525909 1529819 1554219 1579977 1628517 1760521 1842981 1874103 1899601 1931083 1961883 1972313 2036979 2099559 2259537 2263527 2290279 2418101 2482821 2489641 2531361 2535831 2766533 2812893 2857239 2896113 3057747 3099349 3108987 3200967 3335507 3550701 3556971 3626511 3686613 3736771 3799873 3924459 3977853 4008249 4288509 4300289 4577727 4589457 4885551 4898971 5241511 5281563 5353421 5528943 5622309 5698803 5793249 5906509 5916939 6298677 6563417 6757597 6778611 6870837 7254303 7353001 7468923 7594083 8284969 8299599 8438679 8461859 8688339 9173241 9281657 9298047 10006521 10313941 10652103 10708733 10879533 11059839 11210313 11399619 11933559 12900867 13297207 13517581 13733181 13768371 13806191 14696913 15724533 15844689 16031953 16060263 16828009 17096409 17379747 17719527 17750817 19365731 19690251 20272791 20612511 21695443 21762909 22059003 22406769 23348549 24854907 24898797 25193069 25385577 26157397 26599111 27844971 27894141 29066561 30019563 30941823 32126199 33630939 34198857 36690577 37473947 38702601 39891621 40552743 41104481 41418573 44090739 45943919 47173599 47303179 48095859 48180789 50484027 51471007 53158581 58097193 58887631 59070753 60818373 64971599 65086329 66177009 70045647 70998649 72197587 74564721 74961131 75579207 76156731 78472191 79797333 80883011 83534913 87199683 92825469 93080449 96378597 110071731 112223671 112421841 117796063 119674863 121658229 123313443 124255719 137831757 139707019 141909537 144287577 151452081 151868101 154413021 174291579 176351483 176662893 183101779 194914797 195258987 203465927 210136941 212995947 216592761 224883393 226737621 227943031 235416573 239391999 242649033 256834039 261599049 262317629 279241347 287731367 319732171 330215193 336671013 337265523 353388189 360297049 369940329 412213417 413495271 419121057 425728611 455604303 463239063 496990543 505383109 529054449 529988679 549305337 566181077 584744391 610397781 638987841 649778283 674650179 683829093 727947099 770502117 780985139 786952887 824572441 837724041 863194101 959196513 977949133 1010013039 1060164567 1080891147 1234460381 1236640251 1257363171 1366812909 1424261489 1490971629 1516149327 1536777209 1587163347 1595601217 1647916011 1698543231 1831193343 2014119569 2051487279 2238125197 2311506351 2342955417 2360858661 2473717323 2507373341 2589582303 2877589539 2885493919 2933847399 3242673441 3478933801 3703381143 3709920753 3963267539 4272784467 4330917589 4472914887 4548447981 4610331627 4786803651 5095629693 5466895973 6042358707 6714375591 6845643931 7028866251 7421151969 7522120023 8656481757 8801542197 10436801403 10757440463 11110143429 11169208519 11889802617 12818353401 12992752767 13830994881 14360410953 15666876379 16400687919 17551613387 18127076121 20143126773 20536931793 22566360069 25969445271 30316423123 31310404209 32272321389 33507625557 35669407851 38268271811 38978258301 47000629137 47640093479 49202063757 52654840161 61610795379 75302083241 90949269369 96816964167 100522876671 114804815433 122861293709 141001887411 142920280437 157964520483 212214961861 225906249723 272847808107 333480654353 344414446299 368583881127 428760841311 636644885583 677718749169 1000441963059 1105751643381 1909934656749 2334364580471 3001325889177 7003093741413 21009281224239
• Sum of all divisors σ(n): 42869399040000
• Sum of proper divisors (its aliquot sum) s(n): 21860117815761
• 21009281224239 is an abundant number, because the sum of its proper divisors (21860117815761) is greater than itself. Its abundance is 850836591522

Bases of 21009281224239

• Binary: 100110001101110011010101111101000111000101111₂
• Hexadecimal: 0x131B9ABE8E2F
• Base-36: 7G3J3LI5R

Squares and roots of 21009281224239

• 21009281224239 squared (21009281224239²) is 441389897559161374601129121
• 21009281224239 cubed (21009281224239³) is 9273284487358464682110172099554593963919
• The square root of 21009281224239 is 4583588.2476765951
• The cube root of 21009281224239 is 27593.3056404041

Scales and comparisons

• 21,009,281,224,239 seconds is equal to 668,030 years, 8 weeks, 1 day, 3 hours, 10 minutes, 39 seconds.
• To count from 1 to 21,009,281,224,239 would take you about one million, six hundred seventy thousand and seventy-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 21009281224239 cubic inches would be around 2299.4 feet tall.

Recreational maths with 21009281224239

• 21009281224239 backwards is 93242218290012
• The number of decimal digits it has is: 14
• The sum of 21009281224239's digits is 45
• More coming soon!