20468638995984

Names of 20468638995984

• Cardinal: 20468638995984 can be written as Twenty trillion, four hundred sixty-eight billion, six hundred thirty-eight million, nine hundred ninety-five thousand, nine hundred eighty-four.

Scientific notation

• Scientific notation: 2.0468638995984 × 10¹³

Factors of 20468638995984

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 425

Divisors of 20468638995984

• Number of divisors d(n): 315
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 81 108 144 162 163 216 243 257 324 326 432 486 489 514 648 652 729 771 972 978 1028 1296 1304 1458 1467 1542 1944 1956 2056 2313 2608 2916 2934 3084 3888 3912 4112 4401 4626 5832 5868 6168 6939 7824 8802 9252 11664 11736 12336 13203 13878 17604 18504 20817 23472 26406 26569 27756 35208 37008 39609 41634 41891 52812 53138 55512 62451 66049 70416 79218 79707 83268 83782 105624 106276 111024 118827 124902 125673 132098 158436 159414 166536 167564 187353 198147 211248 212552 237654 239121 249804 251346 264196 316872 318828 333072 335128 374706 377019 396294 425104 475308 478242 499608 502692 528392 594441 633744 637656 670256 717363 749412 754038 792588 950616 956484 999216 1005384 1056784 1131057 1188882 1275312 1434726 1498824 1508076 1585176 1783323 1901232 1912968 2010768 2152089 2262114 2377764 2869452 2997648 3016152 3170352 3393171 3566646 3825936 4304178 4524228 4755528 5349969 5738904 6032304 6456267 6786342 6828233 7133292 8608356 9048456 9511056 10179513 10699938 10765987 11477808 12912534 13572684 13656466 14266584 16049907 17216712 18096912 19368801 20359026 20484699 21399876 21531974 25825068 27145368 27312932 28533168 30538539 32099814 32297961 34433424 38737602 40718052 40969398 42799752 43063948 48149721 51650136 54290736 54625864 61077078 61454097 64199628 64595922 77475204 81436104 81938796 85599504 86127896 96299442 96893883 103300272 109251728 122154156 122908194 128399256 129191844 154950408 162872208 163877592 172255792 184362291 192598884 193787766 244308312 245816388 256798512 258383688 290681649 309900816 327755184 368724582 385197768 387575532 488616624 491632776 516767376 553086873 581363298 737449164 770395536 775151064 872044947 983265552 1106173746 1162726596 1474898328 1550302128 1659260619 1744089894 1754855881 2212347492 2325453192 2616134841 2949796656 3318521238 3488179788 3509711762 4424694984 4650906384 4977781857 5232269682 5264567643 6637042476 6976359576 7019423524 7848404523 8849389968 9955563714 10464539364 10529135286 13274084952 13952719152 14038847048 15696809046 15793702929 19911127428 20929078728 21058270572 26548169904 28077694096 31393618092 31587405858 39822254856 41858157456 42116541144 47381108787 62787236184 63174811716 79644509712 84233082288 94762217574 125574472368 126349623432 142143326361 189524435148 252699246864 284286652722 379048870296 426429979083 568573305444 758097740592 852859958166 1137146610888 1279289937249 1705719916332 2274293221776 2558579874498 3411439832664 5117159748996 6822879665328 10234319497992 20468638995984
• Sum of all divisors σ(n): 60060498605373
• Sum of proper divisors (its aliquot sum) s(n): 39591859609389
• 20468638995984 is an abundant number, because the sum of its proper divisors (39591859609389) is greater than itself. Its abundance is 19123220613405

Bases of 20468638995984

• Binary: 100101001110110111001111101001101011000010000₂
• Hexadecimal: 0x129DB9F4D610
• Base-36: 7975V6900

Squares and roots of 20468638995984

• 20468638995984 squared (20468638995984²) is 418965182347916891568128256
• 20468638995984 cubed (20468638995984³) is 8575647069366119083200926941225980923904
• 20468638995984 is a perfect square number. Its square root is 4524228
• The cube root of 20468638995984 is 27354.5550851077

Scales and comparisons

• 20,468,638,995,984 seconds is equal to 650,839 years, 21 weeks, 22 hours, 26 minutes, 24 seconds.
• To count from 1 to 20,468,638,995,984 would take you about one million, six hundred twenty-seven thousand and ninety-eight 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 20468638995984 cubic inches would be around 2279.5 feet tall.

Recreational maths with 20468638995984

• 20468638995984 backwards is 48959983686402
• 20468638995984 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 20468638995984's digits is 81
• More coming soon!