18078194407728

Names of 18078194407728

• Cardinal: 18078194407728 can be written as Eighteen trillion, seventy-eight billion, one hundred ninety-four million, four hundred seven thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.8078194407728 × 10¹³

Factors of 18078194407728

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 2135

Divisors of 18078194407728

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 39 42 48 52 56 73 78 84 91 97 104 112 146 156 168 182 194 208 219 273 291 292 312 336 364 373 388 438 511 546 582 584 624 679 728 746 776 876 949 1022 1092 1119 1164 1168 1261 1358 1456 1492 1533 1552 1567 1752 1898 2037 2044 2184 2238 2328 2522 2611 2716 2847 2984 3066 3134 3504 3783 3796 4074 4088 4368 4476 4656 4701 4849 5044 5222 5432 5694 5968 6132 6268 6643 7081 7566 7592 7833 8148 8176 8827 8952 9402 9698 10088 10444 10864 10969 11388 12264 12536 13286 14162 14547 15132 15184 15666 16296 17654 17904 18804 19396 19929 20176 20371 20888 21243 21938 22776 24528 25072 26481 26572 27229 28324 29094 30264 31332 32592 32907 33943 35308 36181 37608 38792 39858 40742 41776 42486 43876 45552 49567 52962 53144 54458 56648 58188 60528 61113 62664 65814 67886 70616 72362 75216 77584 79716 81484 81687 84972 87752 92053 99134 101829 105924 106288 108543 108916 113296 114391 116376 122226 125328 131628 135772 141232 142597 144724 148701 151999 159432 162968 163374 169944 175504 184106 190603 198268 203658 211848 217086 217832 228782 232752 244452 253267 263256 271544 276159 285194 289448 297402 303998 318864 325936 326748 339888 343173 353977 368212 381206 396536 407316 423696 427791 434172 435664 455997 457564 470353 488904 506534 526512 543088 552318 570388 571809 578896 584491 594804 607996 644371 653496 686346 707954 736424 759801 762412 793072 800737 814632 855582 868344 911994 915128 940706 977808 1013068 1061931 1063993 1104636 1140776 1143618 1168982 1189608 1215992 1288742 1306992 1372692 1411059 1415908 1472848 1487083 1519602 1524824 1601474 1629264 1711164 1736688 1753473 1823988 1830256 1881412 1933113 1975987 2026136 2123862 2127986 2209272 2281552 2287236 2337964 2379216 2402211 2431984 2477839 2577484 2641213 2745384 2822118 2831816 2974166 3039204 3049648 3191979 3202948 3292471 3422328 3506946 3647976 3762824 3866226 3951974 4052272 4091437 4247724 4255972 4418544 4461249 4574472 4675928 4804422 4955678 5154968 5282426 5490768 5644236 5663632 5927961 5948332 6078408 6383958 6405896 6584942 6844656 7013892 7295952 7433517 7525648 7598383 7732452 7903948 7923639 8182874 8495448 8511944 8922498 9148944 9351856 9608844 9877413 9911356 10309936 10409581 10564852 11095927 11288472 11855922 11896664 12156816 12274311 12767916 12811792 13169884 13831909 14027784 14867034 15196766 15464904 15807896 15847278 16365748 16990896 17023888 17844996 18488491 19217688 19754826 19822712 20819162 21129704 22191854 22576944 22795149 23711844 23793328 24548622 25535832 26339768 27663818 28055568 29734068 30393532 30929808 31228743 31615792 31694556 32731496 33287781 34335769 35689992 36976982 38435376 39509652 39645424 41495727 41638324 42259408 42667843 44383708 45590298 47423688 49097244 51071664 52679536 53188681 55327636 55465473 56695627 59468136 60787064 62457486 63389112 65462992 66575562 68671538 71379984 73953964 77671489 79019304 82991454 83276648 85335686 88767416 91180596 94847376 98194488 103007307 106377362 110655272 110930946 113391254 118936272 121574128 124914972 126778224 128003529 133151124 137343076 144247051 147907928 155342978 158038608 159566043 165982908 166553296 170086881 170671372 177534832 182361192 196388976 206014614 212754724 221310544 221861892 226782508 233014467 240350383 249829944 256007058 266302248 274686152 288494102 295815856 298674901 310685956 319132086 331965816 340173762 341342744 364722384 396869389 412029228 425509448 432741153 443723784 453565016 466028934 480700766 499659888 512014116 532604496 549372304 554681959 576988204 597349802 621371912 638264172 663931632 680347524 682685488 721051149 737043151 793738778 824058456 851018896 865482306 887447568 896024703 907130032 932057868 961401532 1009729357 1024028232 1109363918 1153976408 1190608167 1194699604 1242743824 1276528344 1360695048 1442102298 1474086302 1587477556 1648116912 1664045877 1730964612 1792049406 1864115736 1922803064 2019458714 2048056464 2211129453 2218727836 2307952816 2381216334 2389399208 2553056688 2721390096 2884204596 2948172604 3029188071 3174955112 3328091754 3461929224 3584098812 3728231472 3845606128 3882773713 4038917428 4138780771 4422258906 4437455672 4762432668 4778798416 5159302057 5768409192 5896345208 6058376142 6349910224 6656183508 6923858448 7168197624 7765547426 8077834856 8277561542 8844517812 8874911344 9524865336 10318604114 11536818384 11648321139 11792690416 12116752284 12416342313 13312367016 14336395248 15477906171 15531094852 16155669712 16555123084 17689035624 19049730672 20637208228 23296642278 24233504568 24832684626 26624734032 28971465397 30955812342 31062189704 33110246168 35378071248 41274416456 46593284556 48467009136 49665369252 53804150023 57942930794 61911624684 62124379408 66220492336 82548832912 86914396191 93186569112 99330738504 107608300046 115885861588 123823249368 161412450069 173828792382 186373138224 198661477008 215216600092 231771723176 247646498736 322824900138 347657584764 376629050161 430433200184 463543446352 645649800276 695315169528 753258100322 860866400368 1129887150483 1291299600552 1390630339056 1506516200644 2259774300966 2582599201104 3013032401288 4519548601932 6026064802576 9039097203864 18078194407728
• Sum of all divisors σ(n): 59062953951232
• Sum of proper divisors (its aliquot sum) s(n): 40984759543504
• 18078194407728 is an abundant number, because the sum of its proper divisors (40984759543504) is greater than itself. Its abundance is 22906565135776

Bases of 18078194407728

• Binary: 100000111000100101000010110110001100100110000₂
• Hexadecimal: 0x1071285B1930
• Base-36: 6EP0A6O1C

Squares and roots of 18078194407728

• 18078194407728 squared (18078194407728²) is 326821113043607932706121984
• 18078194407728 cubed (18078194407728³) is 5908335618152393446444393400818600292352
• The square root of 18078194407728 is 4251846.0000014111
• The cube root of 18078194407728 is 26245.3086256679

Scales and comparisons

• 18,078,194,407,728 seconds is equal to 574,830 years, 34 weeks, 3 days, 4 hours, 48 minutes, 48 seconds.
• To count from 1 to 18,078,194,407,728 would take you about one million, four hundred thirty-seven thousand and seventy-six 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 18078194407728 cubic inches would be around 2187.1 feet tall.

Recreational maths with 18078194407728

• 18078194407728 backwards is 82770449187081
• The number of decimal digits it has is: 14
• The sum of 18078194407728's digits is 66
• More coming soon!