18814289688071920

Names of 18814289688071920

• Cardinal: 18814289688071920 can be written as Eighteen quadrillion, eight hundred fourteen trillion, two hundred eighty-nine billion, six hundred eighty-eight million, seventy-one thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.881428968807192 × 10¹⁶

Factors of 18814289688071920

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 544042

Divisors of 18814289688071920

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 17 20 28 34 35 40 56 68 70 80 85 112 119 136 140 170 193 238 272 280 340 386 476 560 595 680 772 952 965 1190 1351 1360 1544 1904 1930 2380 2702 3088 3281 3860 4760 5404 6562 6755 7720 9520 10808 13124 13510 15440 16405 19531 21616 22967 26248 27020 32810 39062 45934 52496 54040 65620 78124 91868 97655 108080 114835 131240 136717 156248 183736 195310 229670 262480 273434 312496 332027 367472 390620 459340 524287 546868 664054 683585 781240 918680 1048574 1093736 1328108 1367170 1562480 1660135 1837360 2097148 2187472 2324189 2621435 2656216 2734340 3320270 3670009 3769483 4194296 4648378 5242870 5312432 5468680 6640540 7340018 7538966 8388592 8912879 9296756 10485740 10937360 11620945 13281080 14680036 15077932 17825758 18350045 18593512 18847415 20971480 23241890 26386381 26562160 29360072 30155864 35651516 36700090 37187024 37694830 41942960 44564395 46483780 52772762 58720144 60311728 62390153 64081211 71303032 73400180 75389660 89128790 92967560 101187391 105545524 124780306 128162422 131931905 142606064 146800360 150779320 178257580 185935120 202374782 211091048 249560612 256324844 263863810 293600720 301558640 311950765 320406055 356515160 404749564 422182096 448568477 499121224 505936955 512649688 527727620 623901530 640812110 708311737 713030320 809499128 897136954 998242448 1011873910 1025299376 1055455240 1247803060 1281624220 1416623474 1618998256 1720185647 1794273908 2023747820 2110910480 2242842385 2495606120 2563248440 2833246948 3440371294 3541558685 3588547816 4047495640 4485684770 4991212240 5126496880 5666493896 6880742588 7083117370 7177095632 8094991280 8600928235 8971369540 10239849397 11332987792 12041299529 13761485176 14166234740 17201856470 17942739080 20479698794 24082599058 27522970352 28332469480 34403712940 35885478160 40959397588 48165198116 51199246985 56664938960 60206497645 68807425880 71678945779 81918795176 96330396232 102398493970 120412995290 137614851760 143357891558 163837590352 174077439749 192660792464 204796987940 240825990580 286715783116 348154879498 358394728895 409593975880 481651981160 573431566232 696309758996 716789457790 819187951760 870387198745 963303962320 1146863132464 1218542078243 1392619517992 1433578915580 1740774397490 1976290933621 2437084156486 2785239035984 2867157831160 3481548794980 3952581867242 4874168312972 5734315662320 6092710391215 6963097589960 7905163734484 9748336625944 9881454668105 12185420782430 13834036535347 13926195179920 15810327468968 19496673251888 19762909336210 24370841564860 27668073070694 31620654937936 33596945871557 39525818672420 48741683129720 55336146141388 67193891743114 69170182676735 79051637344840 97483366259440 110672292282776 134387783486228 138340365353470 158103274689680 167984729357785 221344584565552 235178621100899 268775566972456 276680730706940 335969458715570 470357242201798 537551133944912 553361461413880 671938917431140 940714484403596 1106722922827760 1175893105504495 1343877834862280 1881428968807192 2351786211008990 2687755669724560 3762857937614384 4703572422017980 9407144844035960 18814289688071920
• Sum of all divisors σ(n): 53210066228084736
• Sum of proper divisors (its aliquot sum) s(n): 34395776540012816
• 18814289688071920 is an abundant number, because the sum of its proper divisors (34395776540012816) is greater than itself. Its abundance is 15581486851940896

Bases of 18814289688071920

• Binary: 1000010110101110111111100101101100011110000111011110000₂
• Hexadecimal: 0x42D77F2D8F0EF0
• Base-36: 5593XD1POTS

Squares and roots of 18814289688071920

• 18814289688071920 squared (18814289688071920²) is 353977496466689384772727092486400
• 18814289688071920 cubed (18814289688071920³) is 6659835161582748588974467860357952332734821888000
• The square root of 18814289688071920 is 137165191.2406056465
• The cube root of 18814289688071920 is 265967.9314237041

Scales and comparisons

• 18,814,289,688,071,920 seconds is equal to 598,236,215 years, 34 weeks, 2 days, 19 hours, 58 minutes, 40 seconds.
• To count from 1 to 18,814,289,688,071,920 would take you about one billion, seven hundred ninety-four million, seven hundred eight thousand, six 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 18814289688071920 cubic inches would be around 22164 feet tall.

Recreational maths with 18814289688071920

• 18814289688071920 backwards is 02917088698241881
• The number of decimal digits it has is: 17
• The sum of 18814289688071920's digits is 82
• More coming soon!