18261427392409068

Names of 18261427392409068

• Cardinal: 18261427392409068 can be written as Eighteen quadrillion, two hundred sixty-one trillion, four hundred twenty-seven billion, three hundred ninety-two million, four hundred nine thousand and sixty-eight.

Scientific notation

• Scientific notation: 1.8261427392409068 × 10¹⁶

Factors of 18261427392409068

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 483940

Divisors of 18261427392409068

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 28 29 36 42 58 63 84 87 116 126 167 174 203 252 261 334 348 406 501 522 609 668 812 841 1002 1044 1069 1169 1218 1503 1682 1827 2004 2138 2338 2436 2523 3006 3207 3364 3507 3654 4276 4676 4843 5046 5887 6012 6414 7014 7308 7483 7569 9621 9686 10092 10521 11774 12828 14028 14529 14966 15138 17661 19242 19372 21042 22449 23548 29058 29932 30276 31001 33901 35322 38484 42084 43587 44898 52983 58116 62002 67347 67802 70644 87174 89796 93003 101703 105966 124004 134694 135604 140447 174348 178523 186006 203406 211932 217007 269388 279009 280894 305109 357046 372012 406812 421341 434014 482663 535569 558018 561788 610218 651021 714092 842682 868028 899029 965326 983129 1071138 1116036 1220436 1249661 1264023 1302042 1447989 1606707 1685364 1798058 1930652 1953063 1966258 2142276 2499322 2528046 2604084 2697087 2895978 2949387 3213414 3378641 3596116 3748983 3906126 3932516 4343967 4998644 5056092 5177167 5394174 5791956 5898774 6293203 6426828 6757282 7497966 7812252 8091261 8687934 8848161 10135923 10354334 10788348 11246949 11797548 12586406 13514564 13997227 14995932 15531501 16182522 17375868 17696322 18879609 20271846 20708668 22493898 25172812 27994454 30407769 31063002 32365044 35392644 36240169 37759218 40543692 41991681 44987796 46594503 55988908 56638827 60815538 62126004 72480338 75518436 80604721 83983362 93189006 97980589 108720507 113277654 121631076 125975043 144960676 150137843 161209442 167966724 186378012 195961178 217441014 226555308 241814163 251950086 293941767 300275686 322418884 326161521 391922356 405919583 434882028 450413529 483628326 503900172 515966747 564233047 587883534 600551372 652323042 725442489 811839166 881825301 900827058 967256652 1031933494 1050964901 1128466094 1175767068 1217758749 1304646084 1351240587 1450884978 1547900241 1623678332 1692699141 1763650602 1801654116 2063866988 2101929802 2256932188 2337536909 2435517498 2702481174 2841437081 2901769956 3095800482 3152894703 3385398282 3527301204 3611767229 3653276247 4203859604 4643700723 4675073818 4871034996 5078097423 5404962348 5682874162 6191600964 6305789406 6770796564 7012610727 7223534458 7306552494 8524311243 9287401446 9350147636 9458684109 10156194846 10835301687 11365748324 12611578812 14025221454 14447068916 14613104988 14963035663 16362758363 17048622486 18574802892 18917368218 20312389692 21037832181 21670603374 25572933729 28050442908 29926071326 32505905061 32725516726 34097244972 37834736436 42075664362 43341206748 44889106989 49088275089 51145867458 59852142652 65011810122 65451033452 67788570361 84151328724 86166446749 89778213978 98176550178 102291734916 104741249641 130023620244 134667320967 135577140722 147264825267 172332893498 179556427956 196353100356 203365711083 209482499282 258499340247 269334641934 271154281444 294529650534 314223748923 344665786996 406731422166 418964998564 433928034227 474519992527 516998680494 538669283868 589059301068 603165127243 610097133249 628447497846 775498020741 813462844332 867856068454 942671246769 949039985054 1033997360988 1206330254486 1220194266498 1256894995692 1301784102681 1423559977581 1550996041482 1735712136908 1809495381729 1885342493538 1898079970108 2412660508972 2440388532996 2498826955721 2603568205362 2847119955162 3037496239589 3101992082964 3618990763458 3770684987076 3905352308043 4270679932743 4997653911442 5207136410724 5428486145187 5694239910324 6074992479178 7237981526916 7496480867163 7810704616086 8541359865486 9112488718767 9995307822884 10856972290374 12149984958356 14992961734326 15621409232172 17082719730972 17491788690047 18224977437534 21713944580748 22489442601489 27337466156301 29985923468652 34983577380094 36449954875068 44978885202978 52475366070141 54674932312602 69967154760188 72465981715909 89957770405956 104950732140282 109349864625204 144931963431818 157426098210423 209901464280564 217397945147727 289863926863636 314852196420846 434795890295454 507261872011363 629704392841692 652193835443181 869591780590908 1014523744022726 1304387670886362 1521785616034089 2029047488045452 2608775341772724 3043571232068178 4565356848102267 6087142464136356 9130713696204534 18261427392409068
• Sum of all divisors σ(n): 55015808729656320
• Sum of proper divisors (its aliquot sum) s(n): 36754381337247252
• 18261427392409068 is an abundant number, because the sum of its proper divisors (36754381337247252) is greater than itself. Its abundance is 18492953944838184

Bases of 18261427392409068

• Binary: 1000000111000001010101111100100110100001110110111101100₂
• Hexadecimal: 0x40E0ABE4D0EDEC
• Base-36: 4ZT4VXHCV70

Squares and roots of 18261427392409068

• 18261427392409068 squared (18261427392409068²) is 333479730408228252824948648628624
• 18261427392409068 cubed (18261427392409068³) is 6089815883690010644684451747986733642665821962432
• The square root of 18261427392409068 is 135134848.9191780167
• The cube root of 18261427392409068 is 263336.8120025149

Scales and comparisons

• 18,261,427,392,409,068 seconds is equal to 580,656,904 years, 40 weeks, 2 days, 1 hour, 37 minutes, 48 seconds.
• To count from 1 to 18,261,427,392,409,068 would take you about one billion, seven hundred forty-one million, nine hundred seventy thousand, seven hundred fourteen 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 18261427392409068 cubic inches would be around 21944.7 feet tall.

Recreational maths with 18261427392409068

• 18261427392409068 backwards is 86090429372416281
• The number of decimal digits it has is: 17
• The sum of 18261427392409068's digits is 72
• More coming soon!