18139548346815

Names of 18139548346815

• Cardinal: 18139548346815 can be written as Eighteen trillion, one hundred thirty-nine billion, five hundred forty-eight million, three hundred forty-six thousand, eight hundred fifteen.

Scientific notation

• Scientific notation: 1.8139548346815 × 10¹³

Factors of 18139548346815

• Number of distinct prime factors ω(n): 9
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2143

Divisors of 18139548346815

• Number of divisors d(n): 512
• Complete list of divisors:
  1 3 5 7 15 17 19 21 31 35 51 57 73 85 93 95 105 119 127 133 155 217 219 255 285 323 357 365 381 399 465 511 527 589 595 635 651 665 889 969 1085 1095 1241 1387 1533 1581 1615 1767 1785 1861 1905 1995 2159 2261 2263 2413 2555 2635 2667 2945 3255 3689 3723 3937 4123 4161 4445 4845 5583 6205 6477 6783 6789 6935 7239 7665 7905 8687 8835 9271 9305 9709 10013 10795 11067 11305 11315 11811 12065 12369 13027 13335 15113 15841 16891 18445 18615 19685 20615 20805 23579 26061 27559 27813 27915 29127 30039 31637 32385 33915 33945 35359 36195 38471 39081 41021 42997 43435 45339 46355 47523 48545 50065 50673 55335 57691 59055 61845 64897 65135 66929 70091 70737 74803 75565 79205 82677 84455 94911 106077 115413 117895 123063 128991 130305 135853 137795 139065 145635 150195 157607 158185 165053 173073 176149 176795 192355 194691 195405 200787 205105 210273 214985 221459 224409 226695 236347 237615 247513 253365 269297 287147 287401 288455 300979 324485 334645 350455 353685 374015 403837 407559 413385 468503 472821 474555 495159 523621 528447 530385 577065 601103 615315 644955 664377 679265 709041 730949 742539 788035 807891 825265 861441 862203 865365 880745 902937 950971 973455 980747 1003935 1051365 1096129 1103249 1107295 1122045 1181735 1211511 1233043 1237565 1271651 1346485 1405509 1435735 1437005 1504895 1570863 1654429 1803309 2011807 2019185 2037795 2192847 2309501 2342515 2364105 2475795 2581207 2618105 2642235 2852913 2942241 2994533 3005515 3288387 3309747 3321885 3545205 3654745 3699129 3712695 3814953 4017899 4039455 4207721 4211443 4307205 4311015 4490593 4514685 4754855 4885817 4903735 4963287 5116643 5460619 5480645 5516245 6035421 6057555 6165215 6358255 6865229 6928503 7027545 7326757 7672903 7743621 7854315 8272145 8901557 8983599 9016545 10059035 10964235 11547505 12053697 12623163 12634329 12906035 13471779 14264565 14657451 14711205 14972665 15349929 16166507 16381857 16441935 16548735 17253331 18068449 18495645 18634193 19074765 20089495 20595687 20961731 21038605 21057215 21980271 22452965 23018709 24429085 24816435 25583215 26704671 27303095 28125293 29480101 30177105 31434151 34200719 34326145 34642515 36633785 38224333 38364515 38718105 43880519 44507785 44917995 48499521 51287299 51759993 54205347 55902579 60268485 62885193 63115815 63171645 67358895 71594531 73287255 76340081 76749645 80017417 80832535 81909285 84375879 86266655 88440303 90342245 92830523 93170965 94302453 102602157 102978435 104808655 109901355 114672999 115093545 120773317 124554869 130439351 131641557 133523355 139208383 140626465 147400505 153861897 157170755 171003595 191121665 214783593 219402595 229020243 240052251 242497605 256436495 258799965 271026735 278491569 279512895 293306627 307163633 314425965 327813289 357972655 362319951 373664607 381700405 391318053 400087085 417625149 421879395 442201515 464152615 471512265 501161717 513010785 534380567 534853261 560121919 573364995 603866585 622774345 649813661 652196755 658207785 696041915 769309485 871884083 879919881 921490899 974458681 983439867 1073917965 1145101215 1200261255 1360296089 1392457845 1466533135 1503485151 1535818165 1603141701 1604559783 1639066445 1680365757 1811599755 1868323035 1949440983 1956590265 2053146389 2088125745 2294693023 2366542511 2505808585 2615652249 2671902835 2674266305 2800609595 2923376043 3249068305 3743972827 4080888267 4359420415 4399599405 4607454495 4872293405 4917199335 5572825913 6159439167 6801480445 6884079069 7099627533 7517425755 8015708505 8022798915 8401828785 9092505437 9522072623 9747204915 10162211959 10265731945 11231918481 11473465115 11832712555 13078261245 14616880215 16565797577 16718477739 18719864135 20404441335 27277516311 27864129565 28566217869 30486635877 30797195835 34420395345 35498137665 39009781391 45462527185 47610363115 49697392731 50811059795 56159592405 63647538059 71135483713 82828987885 83592388695 117029344173 136387581555 142831089345 152433179385 172757603303 190942614177 195048906955 213406451139 248486963655 318237690295 355677418565 518272809909 585146720865 863788016515 954713070885 1067032255695 1209303223121 2591364049545 3627909669363 6046516115605 18139548346815
• Sum of all divisors σ(n): 39009921269760
• Sum of proper divisors (its aliquot sum) s(n): 20870372922945
• 18139548346815 is an abundant number, because the sum of its proper divisors (20870372922945) is greater than itself. Its abundance is 2730824576130

Bases of 18139548346815

• Binary: 100000111111101110001010101011110100110111111₂
• Hexadecimal: 0x107F7155E9BF
• Base-36: 6FH6YQIF3

Squares and roots of 18139548346815

• 18139548346815 squared (18139548346815²) is 329043214226438799520644225
• 18139548346815 cubed (18139548346815³) is 5968695292651891814909475166062526893375
• The square root of 18139548346815 is 4259054.8654384579
• The cube root of 18139548346815 is 26274.9656225055

Scales and comparisons

• 18,139,548,346,815 seconds is equal to 576,781 years, 27 weeks, 3 days, 5 hours, 40 minutes, 15 seconds.
• To count from 1 to 18,139,548,346,815 would take you about one million, four hundred forty-one thousand, nine hundred fifty-three 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 18139548346815 cubic inches would be around 2189.6 feet tall.

Recreational maths with 18139548346815

• 18139548346815 backwards is 51864384593181
• The number of decimal digits it has is: 14
• The sum of 18139548346815's digits is 66
• More coming soon!