12818181436380

Names of 12818181436380

• Cardinal: 12818181436380 can be written as Twelve trillion, eight hundred eighteen billion, one hundred eighty-one million, four hundred thirty-six thousand, three hundred eighty.

Scientific notation

• Scientific notation: 1.281818143638 × 10¹³

Factors of 12818181436380

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 10748

Divisors of 12818181436380

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 79 90 103 158 180 206 237 309 316 395 412 474 515 618 711 790 907 927 948 1030 1185 1236 1422 1545 1580 1814 1854 2060 2370 2721 2844 3090 3555 3628 3708 4535 4635 4740 5442 6180 7110 8137 8163 9070 9270 9649 10884 13605 14220 16274 16326 18140 18540 19298 24411 27210 28947 32548 32652 38596 40685 40815 48245 48822 54420 57894 71653 73233 81370 81630 86841 93421 96490 97644 115788 122055 143306 144735 146466 162740 163260 173682 186842 192980 214959 244110 280263 286612 289470 292932 347364 358265 366165 373684 429918 434205 467105 488220 560526 578940 644877 716530 732330 762271 840789 859836 868410 934210 993847 1074795 1121052 1289754 1401315 1433060 1464660 1524542 1681578 1736820 1868420 1987694 2149590 2286813 2579508 2802630 2981541 3049084 3224385 3363156 3811355 3975388 4203945 4299180 4573626 4969235 5605260 5963082 6448770 6860439 7380259 7622710 8407890 8751643 8944623 9147252 9938470 11434065 11926164 12897540 13720878 14760518 14907705 15245420 16815780 17503286 17889246 19876940 22140777 22868130 26254929 27441756 29521036 29815410 34302195 35006572 35778492 36901295 43758215 44281554 44723115 45736260 52509858 59630820 66422331 68604390 73802590 78513913 78764787 87516430 88563108 89446230 105019716 110703885 131274645 132844662 137208780 147605180 157027826 157529574 175032860 178892460 221407770 235541739 262549290 265689324 314055652 315059148 332111655 392569565 393823935 442815540 471083478 525098580 664223310 691379797 706625217 785139130 787647870 901419229 942166956 1177708695 1328446620 1382759594 1413250434 1570278260 1575295740 1802838458 2074139391 2355417390 2704257687 2765519188 2826500868 3456898985 3533126085 3605676916 4148278782 4507096145 4710834780 5408515374 6222418173 6913797970 7066252170 8112773061 8296557564 9014192290 10370696955 10817030748 12444836346 13521288435 13827595940 14132504340 16225546122 18028384580 20741393910 24889672692 27042576870 31112090865 32451092244 40563865305 41482787820 54085153740 62224181730 71212119091 81127730610 124448363460 142424238182 162255461220 213636357273 284848476364 356060595455 427272714546 640909071819 712121190910 854545429092 1068181786365 1281818143638 1424242381820 2136363572730 2563636287276 3204545359095 4272727145460 6409090718190 12818181436380
• Sum of all divisors σ(n): 39804221184000
• Sum of proper divisors (its aliquot sum) s(n): 26986039747620
• 12818181436380 is an abundant number, because the sum of its proper divisors (26986039747620) is greater than itself. Its abundance is 14167858311240

Bases of 12818181436380

• Binary: 10111010100001110111001001101011001111011100₂
• Hexadecimal: 0xBA87726B3DC
• Base-36: 4JKLA9RZ0

Squares and roots of 12818181436380

• 12818181436380 squared (12818181436380²) is 164305775335956839987504400
• 12818181436380 cubed (12818181436380³) is 2106101239301384824252714971243570072000
• The square root of 12818181436380 is 3580248.7953185599
• The cube root of 12818181436380 is 23403.2122580059

Scales and comparisons

• 12,818,181,436,380 seconds is equal to 407,578 years, 27 weeks, 10 hours, 33 minutes.
• To count from 1 to 12,818,181,436,380 would take you about one million, eighteen thousand, nine hundred forty-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 12818181436380 cubic inches would be around 1950.3 feet tall.

Recreational maths with 12818181436380

• 12818181436380 backwards is 08363418181821
• The number of decimal digits it has is: 14
• The sum of 12818181436380's digits is 54
• More coming soon!