21402344915908

Names of 21402344915908

• Cardinal: 21402344915908 can be written as Twenty-one trillion, four hundred two billion, three hundred forty-four million, nine hundred fifteen thousand, nine hundred eight.

Scientific notation

• Scientific notation: 2.1402344915908 × 10¹³

Factors of 21402344915908

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 316

Divisors of 21402344915908

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 4 11 22 29 37 44 47 58 74 89 94 101 116 148 178 188 202 319 356 404 407 517 638 814 841 979 1034 1073 1111 1276 1363 1369 1628 1682 1739 1958 2068 2146 2222 2581 2726 2738 2929 3293 3364 3478 3737 3916 4183 4292 4444 4747 5162 5452 5476 5858 6586 6956 7474 8366 8989 9251 9494 10324 11716 11803 13172 14948 14993 15059 16732 17978 18502 18988 19129 23606 28391 29986 30118 31117 32219 35956 36223 37004 38258 39527 39701 41107 46013 47212 50431 52217 56782 59972 60236 62234 64343 64438 72446 74849 76516 79054 79402 82214 84941 92026 95497 98879 100862 104434 108373 113564 121307 121841 124468 128686 128876 137663 138269 144892 149698 154771 158108 158804 164428 169882 175639 184052 190994 197758 201724 208868 216746 242614 243682 257372 260681 275326 276538 299396 309542 332593 339764 342287 351278 381988 395516 422483 433492 434797 436711 485228 487364 521362 550652 553076 554741 619084 665186 684574 702556 707773 823339 844966 869594 873422 934351 1042724 1050467 1109482 1151329 1192103 1330372 1334377 1340251 1369148 1415546 1462499 1514293 1520959 1646678 1689932 1702481 1739188 1746844 1865947 1868702 1932029 2100934 2218964 2302658 2384206 2668754 2680502 2769413 2831092 2867491 2924998 3028586 3041918 3142817 3293356 3404962 3517903 3533389 3658523 3731894 3737404 3864058 3992227 4009801 4201868 4488359 4605316 4647313 4768412 5093531 5337508 5361004 5538826 5726527 5734982 5849996 6057172 6083836 6285634 6498643 6809924 7035806 7066778 7317046 7463788 7559749 7728116 7984454 8019602 8976718 9294626 9645197 10187062 11077652 11453054 11469964 12252007 12305941 12571268 12664619 12997286 14071612 14133556 14634092 15119498 15631871 15968908 16039204 16087489 17953436 18589252 19290394 20374124 20525417 22906108 24504014 24611882 25329238 25994572 30238996 30463543 31263742 32174978 34570987 38580788 38696933 38867279 41050834 43914497 44107811 49008028 49223764 49371949 50658476 54112463 56028841 60927086 62527484 62991797 64349956 69141974 71485073 77393866 77734558 82101668 83157239 87828994 88215622 98743898 102468281 106097167 108224926 112057682 116284229 121854172 125983594 130162411 134772077 135365351 138283948 142970146 147712399 154787732 155469116 166069283 166314478 171950581 175657988 176431244 188460647 197487796 204936562 212194334 216449852 224115364 232568458 251967188 260324822 269544154 270730702 279710713 285940292 295424798 332138566 332628956 343901162 355308203 356872289 376921294 409873124 424388668 453324259 465136916 520649644 539088308 541461404 559421426 578379227 590849596 595237093 664277132 687802324 710616406 713744578 753842588 906648518 1118842852 1127151091 1156758454 1190474186 1279126519 1421232812 1427489156 1431786521 1624836389 1813297036 1826762113 2073067117 2254302182 2313516908 2380948372 2558253038 2863573042 3076817843 3249672778 3653524226 3908390233 3925595179 4146134234 4508604364 4816009207 4986566849 5116506076 5465358763 5727146084 6153635686 6362171497 6499345556 7307048452 7816780466 7851190358 8292268468 9632018414 9973133698 10349296381 10930717526 12307271372 12724342994 13146403511 15633560932 15702380716 16772997583 19264036828 19946267396 20698592762 21861435052 25448685988 26292807022 33545995166 41397185524 52585614044 52976101277 60118946393 67091990332 105952202554 113842260191 120237892786 144610438621 184502973413 211904405108 227684520382 240475785572 289220877242 369005946826 455369040764 486416929907 578441754484 738011893652 972833859814 1945667719628 5350586228977 10701172457954 21402344915908
• Sum of all divisors σ(n): 45360251838720
• Sum of proper divisors (its aliquot sum) s(n): 23957906922812
• 21402344915908 is an abundant number, because the sum of its proper divisors (23957906922812) is greater than itself. Its abundance is 2555562006904

Bases of 21402344915908

• Binary: 100110111011100011111001010101000001111000100₂
• Hexadecimal: 0x13771F2A83C4
• Base-36: 7L43NKJPG

Squares and roots of 21402344915908

• 21402344915908 squared (21402344915908²) is 458060367899493015591464464
• 21402344915908 cubed (21402344915908³) is 9803565986092662387374734846650650293312
• The square root of 21402344915908 is 4626266.8444338573
• The cube root of 21402344915908 is 27764.3250080701

Scales and comparisons

• 21,402,344,915,908 seconds is equal to 680,528 years, 19 weeks, 9 hours, 58 minutes, 28 seconds.
• To count from 1 to 21,402,344,915,908 would take you about one million, seven hundred one thousand, three hundred twenty 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 21402344915908 cubic inches would be around 2313.7 feet tall.

Recreational maths with 21402344915908

• 21402344915908 backwards is 80951944320412
• The number of decimal digits it has is: 14
• The sum of 21402344915908's digits is 52
• More coming soon!