21442431123918

Names of 21442431123918

• Cardinal: 21442431123918 can be written as Twenty-one trillion, four hundred forty-two billion, four hundred thirty-one million, one hundred twenty-three thousand, nine hundred eighteen.

Scientific notation

• Scientific notation: 2.1442431123918 × 10¹³

Factors of 21442431123918

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 7224

Divisors of 21442431123918

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 6 7 9 14 18 19 21 31 38 42 49 57 62 63 93 98 114 126 133 147 171 186 191 217 266 279 294 342 382 399 434 441 558 573 589 651 798 882 931 961 1146 1178 1197 1302 1337 1519 1719 1767 1862 1922 1953 2394 2674 2793 2883 3038 3438 3534 3629 3906 4011 4123 4557 5301 5586 5766 5921 6727 6971 7258 8022 8246 8379 8649 9114 9359 10602 10887 11842 12033 12369 13454 13671 13942 16758 17298 17763 18259 18718 20181 20913 21774 24066 24738 25403 27342 28077 28861 32661 35526 36518 37107 40362 41447 41826 47089 48797 50806 53289 54777 56154 57722 60543 62739 65322 74214 76209 82894 84231 86583 94178 97594 106578 109554 112499 121086 124341 125478 127813 132449 141267 146391 152418 164331 168462 173166 177821 183551 216101 224998 228627 248682 255626 259749 264898 282534 290129 292782 328662 337497 341579 355642 367102 373023 383439 397347 423801 432202 439173 457254 519498 533463 550653 580258 648303 674994 683158 746046 766878 787493 794694 847602 870387 878346 894691 927143 1012491 1024737 1066926 1101306 1150317 1192041 1284857 1296606 1331461 1512707 1574986 1600389 1651959 1740774 1789382 1854286 1944909 2024982 2049474 2300634 2362479 2384082 2569714 2611161 2662922 2684073 2781429 3025414 3074211 3200778 3303918 3487469 3854571 3889818 3994383 4105919 4538121 4724958 5222322 5368146 5512451 5562858 6148422 6490001 6699131 6974938 7087437 7709142 7988766 8052219 8211838 8344287 8993999 9076242 9320227 10462407 10588949 11024902 11563713 11983149 12317757 12980002 13398262 13614363 14174874 16104438 16537353 16688574 17987998 18640454 19470003 20097393 20924814 21177898 23127426 23966298 24412283 24635514 25297759 26981997 27228726 27960681 28741433 31387221 31766847 33074706 36953271 38940006 40194786 41275291 46893917 48824566 49612059 50595518 53963994 55921362 57482866 58410009 60292179 62774442 63533694 65241589 73236849 73906542 75893277 80945991 82550582 83882043 86224299 93787834 95300541 99224118 116820018 120584358 123825873 127283489 130483178 140681751 146473698 151786554 161891982 167764086 170885981 172448598 177084313 190601082 195724767 201190031 219710547 227679831 247651746 254566978 258672897 281363502 288927037 328257419 341771962 354168626 371477619 381850467 391449534 402380062 422045253 439421094 455359662 512657943 517345794 531252939 577854074 587174301 603570093 656514838 742955238 763700934 784230529 844090506 866781111 890984423 984772257 1025315886 1062505878 1145551401 1174348602 1207140186 1239590191 1279534021 1537973829 1568461058 1593758817 1733562222 1781968846 1810710279 1969544514 2022489259 2291102802 2352691587 2479180382 2559068042 2600343333 2672953269 2954316771 3075947658 3187517634 3621420558 3718770573 3838602063 4044978518 4705383174 5200686666 5345906538 5489613703 5908633542 6067467777 6236890961 7058074761 7437541146 7677204126 8018859807 8956738147 10979227406 11156311719 11515806189 12134935554 12473781922 14116149522 16037719614 16468841109 17913476294 18202403331 18710672883 22312623438 23031612378 24311146399 26870214441 32937682218 36404806662 37421345766 38427295921 48622292798 49406523327 53740428882 56132018649 62697167029 72933439197 76854591842 80610643323 98813046654 112264037298 115281887763 125394334058 145866878394 161221286646 170178024793 188091501087 218800317591 230563775526 340356049586 345845663289 376183002174 437600635182 510534074379 564274503261 691691326578 1021068148758 1128549006522 1191246173551 1531602223137 2382492347102 3063204446274 3573738520653 7147477041306 10721215561959 21442431123918
• Sum of all divisors σ(n): 59098616478720
• Sum of proper divisors (its aliquot sum) s(n): 37656185354802
• 21442431123918 is an abundant number, because the sum of its proper divisors (37656185354802) is greater than itself. Its abundance is 16213754230884

Bases of 21442431123918

• Binary: 100111000000001110100011111011000000111001110₂
• Hexadecimal: 0x1380747D81CE
• Base-36: 7LMILV3RI

Squares and roots of 21442431123918

• 21442431123918 squared (21442431123918²) is 459777852503967344671670724
• 21442431123918 cubed (21442431123918³) is 9858754934619248940962142571114136776632
• The square root of 21442431123918 is 4630597.2750734867
• The cube root of 21442431123918 is 27781.6482247331

Scales and comparisons

• 21,442,431,123,918 seconds is equal to 681,802 years, 51 weeks, 1 day, 3 hours, 45 minutes, 18 seconds.
• To count from 1 to 21,442,431,123,918 would take you about one million, seven hundred four thousand, five 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 21442431123918 cubic inches would be around 2315.1 feet tall.

Recreational maths with 21442431123918

• 21442431123918 backwards is 81932113424412
• The number of decimal digits it has is: 14
• The sum of 21442431123918's digits is 45
• More coming soon!