19818438409770

Names of 19818438409770

• Cardinal: 19818438409770 can be written as Nineteen trillion, eight hundred eighteen billion, four hundred thirty-eight million, four hundred nine thousand, seven hundred seventy.

Scientific notation

• Scientific notation: 1.981843840977 × 10¹³

Factors of 19818438409770

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2734

Divisors of 19818438409770

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 5 6 7 10 11 13 14 15 21 22 26 30 33 35 39 42 49 55 65 66 70 77 78 91 98 105 110 130 143 147 154 165 169 182 195 210 231 245 273 286 294 330 338 385 390 429 455 462 490 507 539 546 637 715 735 770 845 858 910 1001 1014 1078 1155 1183 1274 1365 1430 1470 1617 1690 1859 1911 2002 2145 2310 2366 2535 2693 2695 2730 3003 3185 3234 3549 3718 3822 4290 5005 5070 5386 5390 5577 5915 6006 6370 7007 7098 8079 8085 8281 9295 9555 10010 11154 11830 13013 13465 14014 15015 16158 16170 16562 17745 18590 18851 19110 21021 24843 26026 26930 27885 29623 30030 35009 35035 35490 37702 39039 40395 41405 42042 49686 55770 56553 59246 65065 70018 70070 78078 80790 82810 88869 91091 94255 105027 105105 113106 124215 130130 131957 148115 175045 177738 182182 188510 195195 207361 210054 210210 245063 248430 263914 273273 282765 296230 350090 385099 390390 395871 414722 444345 455117 455455 490126 525135 546546 565530 622083 659785 735189 770198 791742 888690 910234 910910 1036805 1050270 1155297 1225315 1244166 1319570 1365351 1366365 1451527 1470378 1715441 1925495 1979355 2073610 2275585 2310594 2450630 2695693 2730702 2732730 2903054 3110415 3185819 3430882 3675945 3850990 3958710 4354581 4551170 5006287 5146323 5391386 5776485 6220830 6371638 6826755 7252249 7257635 7351890 8087079 8577205 8709162 9557457 10012574 10292646 11552970 13478465 13653510 14504498 14515270 15018861 15929095 16174158 17154410 18869851 19114914 21756747 21772905 22300733 25031435 25731615 26956930 30037722 31858190 35044009 36261245 37739702 40435395 43513494 43545810 44601466 47787285 50062870 50765743 51463230 56609553 66902199 70088018 72522490 75094305 79774739 80870790 94279237 94349255 95574570 101531486 105132027 108783735 111503665 113219106 133804398 150188610 152297229 159549478 175220045 188558474 188698510 210264054 217567470 223007330 239324217 245308063 253828715 282837711 283047765 304594458 334510995 350440090 355360201 398873695 471396185 478648434 490616126 507657430 525660135 558423173 565675422 566095530 659954659 669021990 710720402 735924189 761486145 797747390 942792370 1037071607 1051320270 1066080603 1116846346 1196621085 1225630081 1226540315 1319909318 1414188555 1471848378 1522972290 1675269519 1776801005 1979863977 2074143214 2132161206 2393242170 2451260162 2453080630 2792115865 2828377110 3111214821 3299773295 3350539038 3553602010 3676890243 3679620945 3908962211 3959727954 4619682613 5185358035 5330403015 5584231730 6128150405 6222429642 6599546590 7259501249 7353780486 7359241890 7817924422 8376347595 8579410567 9239365226 9899319885 10370716070 10660806030 11726886633 12256300810 13481930891 13859047839 14519002498 15556074105 16752695190 17158821134 18384451215 19544811055 19798639770 21778503747 23098413065 23453773266 25738231701 26963861782 27718095678 31112148210 36297506245 36768902430 39089622110 40445792673 42897052835 43557007494 46196826130 50816508743 51476463402 58634433165 60055873969 67409654455 69295239195 72595012490 80891585346 85794105670 94373516237 101633017486 108892518735 117268866330 120111747938 128691158505 134819308910 138590478390 152449526229 180167621907 188747032474 202228963365 217785037470 254082543715 257382317010 283120548711 300279369845 304899052458 360335243814 404457926730 471867581185 508165087430 566241097422 600558739690 660614613659 762247631145 900838109535 943735162370 1321229227318 1415602743555 1524495262290 1801676219070 1981843840977 2831205487110 3303073068295 3963687681954 6606146136590 9909219204885 19818438409770
• Sum of all divisors σ(n): 65384332214112
• Sum of proper divisors (its aliquot sum) s(n): 45565893804342
• 19818438409770 is an abundant number, because the sum of its proper divisors (45565893804342) is greater than itself. Its abundance is 25747455394572

Bases of 19818438409770

• Binary: 100100000011001010110111110110011111000101010₂
• Hexadecimal: 0x120656FB3E2A
• Base-36: 70WGQJ5T6

Squares and roots of 19818438409770

• 19818438409770 squared (19818438409770²) is 392770501001846846431452900
• 19818438409770 cubed (19818438409770³) is 7784097983279607807024052810786654833000
• The square root of 19818438409770 is 4451790.4723571617
• The cube root of 19818438409770 is 27061.7873534727

Scales and comparisons

• 19,818,438,409,770 seconds is equal to 630,165 years, 2 weeks, 4 hours, 29 minutes, 30 seconds.
• To count from 1 to 19,818,438,409,770 would take you about one million, five hundred seventy-five thousand, four hundred twelve 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 19818438409770 cubic inches would be around 2255.1 feet tall.

Recreational maths with 19818438409770

• 19818438409770 backwards is 07790483481891
• The number of decimal digits it has is: 14
• The sum of 19818438409770's digits is 69
• More coming soon!