20418393369840

Names of 20418393369840

• Cardinal: 20418393369840 can be written as Twenty trillion, four hundred eighteen billion, three hundred ninety-three million, three hundred sixty-nine thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.041839336984 × 10¹³

Factors of 20418393369840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 138

Divisors of 20418393369840

• Number of divisors d(n): 300
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 31 40 48 60 62 80 93 97 120 124 155 186 194 240 248 291 310 372 388 465 485 496 582 620 744 776 930 961 970 1164 1240 1455 1488 1552 1860 1922 1940 2328 2480 2883 2910 3007 3720 3844 3880 4656 4805 5766 5820 6014 7440 7688 7760 9021 9409 9610 11532 11640 12028 14415 15035 15376 18042 18818 19220 23064 23280 24056 28227 28830 30070 36084 37636 38440 45105 46128 47045 48112 56454 57660 60140 72168 75272 76880 90210 93217 94090 112908 115320 120280 141135 144336 150544 180420 186434 188180 225816 230640 240560 279651 282270 291679 360840 372868 376360 451632 466085 559302 564540 583358 721680 745736 752720 875037 912673 932170 1118604 1129080 1166716 1398255 1458395 1491472 1750074 1825346 1864340 2237208 2258160 2333432 2738019 2796510 2916790 3500148 3650692 3728680 4375185 4474416 4563365 4666864 5476038 5593020 5833580 7000296 7301384 7457360 8750370 9042049 9126730 10952076 11186040 11667160 13690095 14000592 14602768 17500740 18084098 18253460 21904152 22372080 23334320 27126147 27380190 28292863 35001480 36168196 36506920 43808304 45210245 54252294 54760380 56585726 70002960 72336392 73013840 84878589 88529281 90420490 108504588 109520760 113171452 135630735 141464315 144672784 169757178 177058562 180840980 217009176 219041520 226342904 265587843 271261470 282928630 339514356 354117124 361681960 424392945 434018352 442646405 452685808 531175686 542522940 565857260 679028712 708234248 723363920 848785890 877078753 885292810 1062351372 1085045880 1131714520 1327939215 1358057424 1416468496 1697571780 1754157506 1770585620 2124702744 2170091760 2263429040 2631236259 2655878430 2744407711 3395143560 3508315012 3541171240 4249405488 4385393765 5262472518 5311756860 5488815422 6790287120 7016630024 7082342480 8233223133 8770787530 10524945036 10623513720 10977630844 13156181295 13722038555 14033260048 16466446266 17541575060 21049890072 21247027440 21955261688 26312362590 27444077110 32932892532 35083150120 41166115665 42099780144 43910523376 52624725180 54888154220 65865785064 70166300240 82332231330 85076639041 105249450360 109776308440 131731570128 164664462660 170153278082 210498900720 219552616880 255229917123 329328925320 340306556164 425383195205 510459834246 658657850640 680613112328 850766390410 1020919668492 1276149585615 1361226224656 1701532780820 2041839336984 2552299171230 3403065561640 4083678673968 5104598342460 6806131123280 10209196684920 20418393369840
• Sum of all divisors σ(n): 66086023775112
• Sum of proper divisors (its aliquot sum) s(n): 45667630405272
• 20418393369840 is an abundant number, because the sum of its proper divisors (45667630405272) is greater than itself. Its abundance is 25249237035432

Bases of 20418393369840

• Binary: 100101001001000000111000101010110110011110000₂
• Hexadecimal: 0x129207156CF0
• Base-36: 78K2W83QO

Squares and roots of 20418393369840

• 20418393369840 squared (20418393369840²) is 416910787805526071021625600
• 20418393369840 cubed (20418393369840³) is 8512648465543124651861225106298811904000
• The square root of 20418393369840 is 4518671.6377537327
• The cube root of 20418393369840 is 27332.1537759479

Scales and comparisons

• 20,418,393,369,840 seconds is equal to 649,241 years, 39 weeks, 8 hours, 4 minutes.
• To count from 1 to 20,418,393,369,840 would take you about one million, six hundred twenty-three thousand, one hundred four 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 20418393369840 cubic inches would be around 2277.7 feet tall.

Recreational maths with 20418393369840

• 20418393369840 backwards is 04896339381402
• 20418393369840 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 20418393369840's digits is 60
• More coming soon!