21394038680406

Names of 21394038680406

• Cardinal: 21394038680406 can be written as Twenty-one trillion, three hundred ninety-four billion, thirty-eight million, six hundred eighty thousand, four hundred six.

Scientific notation

• Scientific notation: 2.1394038680406 × 10¹³

Factors of 21394038680406

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 212

Divisors of 21394038680406

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 27 42 49 54 63 81 97 98 103 126 147 162 189 194 206 243 291 294 309 378 441 486 567 582 618 679 721 729 873 882 927 1134 1323 1358 1442 1458 1701 1746 1854 2037 2163 2187 2619 2646 2781 3402 3969 4074 4326 4374 4753 5047 5103 5238 5562 6111 6489 7857 7938 8343 9409 9506 9991 10094 10206 10609 11907 12222 12978 14259 15141 15309 15714 16686 18333 18818 19467 19982 21218 23571 23814 25029 28227 28518 29973 30282 30618 31827 35721 36666 38934 42777 45423 47142 50058 54999 56454 58401 59946 63654 65863 69937 70713 71442 74263 75087 84681 85554 89919 90846 95481 107163 109998 116802 128331 131726 136269 139874 141426 148526 150174 164997 169362 175203 179838 190962 197589 209811 212139 214326 222789 225261 254043 256662 269757 272538 286443 329994 350406 384993 395178 408807 419622 424278 445578 450522 461041 489559 494991 508086 519841 525609 539514 572886 592767 629433 668367 762129 769986 809271 817614 859329 922082 969127 979118 989982 1029073 1039682 1051218 1154979 1185534 1226421 1258866 1336734 1383123 1468677 1484973 1524258 1559523 1576827 1618542 1718658 1778301 1888299 1938254 2005101 2058146 2286387 2309958 2427813 2452842 2577987 2766246 2907381 2937354 2969946 3087219 3119046 3153654 3464937 3556602 3679263 3776598 4010202 4149369 4406031 4572774 4678569 4855626 5155974 5334903 5664897 5814762 6015303 6174438 6783889 6859161 6929874 7203511 7283439 7358526 7733961 8298738 8722143 8812062 9261657 9357138 10394811 10669806 11037789 11329794 12030606 12448107 13218093 13567778 13718322 14035707 14407022 14566878 15467922 16004709 16994691 17444286 18045909 18523314 20351667 20577483 20789622 21610533 21850317 22075578 23201883 24896214 26166429 26436186 27784971 28071414 32009418 33989382 36091818 37344321 39654279 40703334 41154966 42107121 43221066 43700634 46403766 47487223 48014127 50424577 50984073 52332858 54137727 55569942 61055001 64831599 74688642 78499287 79308558 83354913 84214242 94974446 96028254 99820081 100849154 101968146 108275454 112032963 118962837 122110002 126321363 129663198 142461669 144042381 151273731 152952219 156998574 162413181 166709826 183165003 194494797 199640162 224065926 235497861 237925674 250064739 252642726 284923338 288084762 299460243 302547462 305904438 324826362 336098889 356888511 366330006 378964089 388989594 427385007 453821193 470995722 500129478 549495009 583484391 598920486 672197778 698740567 706493583 713777022 750194217 757928178 854770014 898380729 907642386 1008296667 1070665533 1098990018 1136892267 1166968782 1282155021 1361463579 1397481134 1412987166 1500388434 1648485027 1750453173 1796761458 2016593334 2096221701 2119480749 2141331066 2250582651 2273784534 2564310042 2695142187 2722927158 3296970054 3500906346 3846465063 4084390737 4192443402 4238961498 4501165302 4891183969 4945455081 5251359519 5390284374 6288665103 7692930126 8085426561 8168781474 9782367938 9890910162 10502719038 11539395189 12253172211 12577330206 14673551907 14836365243 15754078557 16170853122 18865995309 23078790378 24256279683 24506344422 29347103814 29672730486 31508157114 34618185567 36759516633 37731990618 44020655721 48512559366 56597985927 69236371134 72768839049 73519033266 88041311442 103854556701 110278549899 113195971854 132061967163 145537678098 169793957781 207709113402 218306517147 220557099798 264123934326 339587915562 396185901489 436613034294 509381873343 792371802978 1018763746686 1188557704467 1528145620029 2377115408934 3056291240058 3565673113401 7131346226802 10697019340203 21394038680406
• Sum of all divisors σ(n): 57124781632080
• Sum of proper divisors (its aliquot sum) s(n): 35730742951674
• 21394038680406 is an abundant number, because the sum of its proper divisors (35730742951674) is greater than itself. Its abundance is 14336704271268

Bases of 21394038680406

• Binary: 100110111010100110000000100110110101101010110₂
• Hexadecimal: 0x137530136B56
• Base-36: 7L0AA93DI

Squares and roots of 21394038680406

• 21394038680406 squared (21394038680406²) is 457704891058708101808324836
• 21394038680406 cubed (21394038680406³) is 9792156143521015466686514976722836363416
• The square root of 21394038680406 is 4625369.0318077325
• The cube root of 21394038680406 is 27760.7327714325

Scales and comparisons

• 21,394,038,680,406 seconds is equal to 680,264 years, 13 weeks, 1 day, 10 hours, 20 minutes, 6 seconds.
• To count from 1 to 21,394,038,680,406 would take you about one million, seven hundred thousand, six hundred sixty 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 21394038680406 cubic inches would be around 2313.4 feet tall.

Recreational maths with 21394038680406

• 21394038680406 backwards is 60408683049312
• 21394038680406 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21394038680406's digits is 54
• More coming soon!