18105972909500

Names of 18105972909500

• Cardinal: 18105972909500 can be written as Eighteen trillion, one hundred five billion, nine hundred seventy-two million, nine hundred nine thousand, five hundred.

Scientific notation

• Scientific notation: 1.81059729095 × 10¹³

Factors of 18105972909500

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1698

Divisors of 18105972909500

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 5 7 10 14 20 25 28 35 50 70 79 100 125 140 158 175 181 250 316 331 350 362 395 500 553 662 700 724 790 875 905 1093 1106 1267 1324 1580 1655 1750 1810 1975 2186 2212 2317 2534 2765 3310 3500 3620 3950 4372 4525 4634 5068 5465 5530 6335 6620 7651 7900 8275 9050 9268 9875 10930 11060 11585 12670 13825 14299 15302 16550 18100 19750 21860 22625 23170 25340 26149 27325 27650 28598 30604 31675 33100 38255 39500 41375 45250 46340 52298 54650 55300 57196 57925 59911 63350 69125 71495 76510 82750 86347 90500 100093 104596 109300 115850 119822 126700 130745 136625 138250 142990 153020 158375 165500 172694 183043 191275 197833 200186 231700 239644 261490 273250 276500 285980 289625 299555 316750 345388 357475 361783 366086 382550 395666 400372 419377 431735 500465 522980 546500 579250 599110 604429 633500 653725 714950 723566 732172 765100 791332 838754 863470 915215 956375 989165 1000930 1158500 1198220 1208858 1307450 1384831 1429900 1447132 1497775 1677508 1726940 1787375 1808915 1830430 1912750 1978330 2001860 2096885 2158675 2417716 2502325 2532481 2614900 2769662 2995550 3022145 3268625 3574750 3617830 3660860 3825500 3956660 4193770 4317350 4576075 4732969 4945825 5004650 5064962 5539324 5991100 6044290 6537250 6924155 7149500 7235660 7488875 8387540 8634700 9044575 9152150 9465938 9891650 10009300 10129924 10484425 10793375 12088580 12511625 12662405 13074500 13848310 14977750 15110725 15628807 18089150 18304300 18931876 19783300 20968850 21586750 22880375 23664845 24729125 25023250 25324810 27696620 28580857 29955500 30221450 31257614 33130783 34620775 36178300 41937700 43173500 45222875 45760750 47329690 49458250 50046500 50649620 52422125 57161714 60442900 62515228 63312025 65482723 66261566 69241550 75553625 78144035 90445750 91521500 94659380 98916500 104844250 109401649 114323428 118324225 126624050 130965446 132523132 138483100 142904285 151107250 156288070 165653915 173103875 180891500 200065999 209688500 218803298 236648450 253248100 261930892 285808570 302214500 312576140 316560125 327413615 331307830 346207750 390720175 400131998 437606596 458379061 473296900 547008245 571617140 591621125 633120250 654827230 662615660 692415500 714521425 781440350 800263996 828269575 916758122 1000329995 1094016490 1183242250 1266240500 1309654460 1429042850 1562880700 1637068075 1656539150 1833516244 1953600875 2000659990 2188032980 2291895305 2366484500 2735041225 2858085700 3274136150 3313078300 3572607125 3907201750 4001319980 4141347875 4583790610 5001649975 5173135117 5470082450 6548272300 7145214250 7814403500 8185340375 8282695750 9167581220 10003299950 10346270234 10940164900 11459476525 13675206125 14290428500 16370680750 16565391500 20006599900 20692540468 22918953050 25008249875 25865675585 27350412250 32741361500 36211945819 45837906100 50016499750 51731351170 54700824500 57297382625 72423891638 100032999500 103462702340 114594765250 129328377925 144847783276 181059729095 229189530500 258656755850 362119458190 517313511700 646641889625 724238916380 905298645475 1293283779250 1810597290950 2586567558500 3621194581900 4526493227375 9052986454750 18105972909500
• Sum of all divisors σ(n): 46198662881280
• Sum of proper divisors (its aliquot sum) s(n): 28092689971780
• 18105972909500 is an abundant number, because the sum of its proper divisors (28092689971780) is greater than itself. Its abundance is 9986717062280

Bases of 18105972909500

• Binary: 100000111011110100000000101010110010110111100₂
• Hexadecimal: 0x1077A01565BC
• Base-36: 6F1ROSD6K

Squares and roots of 18105972909500

• 18105972909500 squared (18105972909500²) is 327826254999547895190250000
• 18105972909500 cubed (18105972909500³) is 5935613292044653125062411848532375000000
• The square root of 18105972909500 is 4255111.3862624089
• The cube root of 18105972909500 is 26258.7443748011

Scales and comparisons

• 18,105,972,909,500 seconds is equal to 575,713 years, 48 weeks, 3 days, 15 hours, 18 minutes, 20 seconds.
• To count from 1 to 18,105,972,909,500 would take you about one million, four hundred thirty-nine thousand, two hundred eighty-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 18105972909500 cubic inches would be around 2188.2 feet tall.

Recreational maths with 18105972909500

• 18105972909500 backwards is 00590927950181
• The number of decimal digits it has is: 14
• The sum of 18105972909500's digits is 56
• More coming soon!