18997642542064375

Names of 18997642542064375

• Cardinal: 18997642542064375 can be written as Eighteen quadrillion, nine hundred ninety-seven trillion, six hundred forty-two billion, five hundred forty-two million, sixty-four thousand, three hundred seventy-five.

Scientific notation

• Scientific notation: 1.8997642542064375 × 10¹⁶

Factors of 18997642542064375

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 78

Divisors of 18997642542064375

• Number of divisors d(n): 450
• Complete list of divisors:
  1 5 7 23 25 35 43 49 115 125 161 175 215 245 301 343 529 575 625 805 875 989 1075 1127 1225 1505 1715 1849 2107 2401 2645 2875 3703 4025 4375 4945 5375 5635 6125 6923 7525 7889 8575 9245 10535 12005 12943 13225 14375 14749 16807 18515 20125 22747 24725 25921 26875 28175 30625 34615 37625 39445 42527 42875 46225 48461 52675 55223 60025 64715 66125 73745 79507 84035 90601 92575 100625 103243 113735 123625 129605 140875 159229 173075 181447 188125 197225 212635 214375 231125 242305 263375 276115 297689 300125 323575 330625 339227 368725 386561 397535 420175 453005 462875 516215 556549 568675 618125 634207 648025 704375 722701 796145 865375 907235 978121 986125 1063175 1114603 1155625 1211525 1270129 1316875 1380575 1488445 1500625 1617875 1696135 1828661 1843625 1932805 1987675 2083823 2100875 2265025 2314375 2374589 2581075 2782745 2843375 3171035 3240125 3418801 3613505 3895843 3980725 4326875 4439449 4536175 4890605 4930625 5315875 5573015 6057625 6350645 6846847 6902875 7442225 7802221 8089375 8480675 8890903 9143305 9218125 9664025 9938375 10419115 10504375 11325125 11872945 12800627 12905375 13913725 14216875 14586761 15855175 16200625 16622123 17094005 18067525 19479215 19903625 22197245 22680875 23931607 24453025 26579375 27270901 27865075 30288125 31076143 31753225 34234235 34514375 37211125 39011105 42059203 42403375 44454515 45716525 47927929 48320125 49691875 52095575 54615547 56625625 59364725 64003135 64526875 69568625 72933805 78632423 79275875 83110615 85470025 89604389 90337625 97396075 99518125 102107327 110986225 113404375 119658035 122265125 136354505 139325375 155380715 158766125 167521249 171171175 186055625 190896307 195055525 210296015 212016875 222272575 228582625 239639645 241600625 260477875 273077735 294414421 296823625 320015675 335495503 347843125 364669025 382308829 393162115 396379375 415553075 427350125 448021945 451688125 486980375 510536635 550426961 554931125 598290175 611325625 627230723 681772525 696626875 714751289 776903575 793830625 837606245 855855875 954481535 975277625 1051480075 1111362875 1142913125 1172648743 1198198225 1302389375 1336274149 1365388675 1472072105 1484118125 1600078375 1677477515 1808545729 1823345125 1911544145 1965810575 2060900947 2077765375 2136750625 2240109725 2348468521 2434901875 2552683175 2752134805 2774655625 2991450875 3136153615 3408862625 3573756445 3852988727 3884517875 4188031225 4279279375 4390615061 4772407675 4876388125 5257400375 5556814375 5863243715 5990991125 6681370745 6826943375 7360360525 8000391875 8208541201 8387387575 9042728645 9116725625 9557720725 9829052875 10304504735 10388826875 11200548625 11742342605 12659820103 12763415875 13760674025 14426306629 14957254375 15680768075 16439279647 17044313125 17868782225 19264943635 19422589375 20940156125 21953075305 23862038375 26287001875 26970921089 29316218575 29954955625 30734305427 33406853725 34134716875 36801802625 41042706005 41936937875 45213643225 47788603625 49145264375 51522523675 56002743125 57459788407 58711713025 63299100515 63817079375 68803370125 72131533145 78403840375 82196398235 88618740721 89343911125 96324718175 100984146403 104700780625 109765376525 119310191875 134854605445 146581092875 153671527135 167034268625 184009013125 188796447623 205213530025 209684689375 226068216125 238943018125 257612618375 287298942035 293558565125 316495502575 344016850625 360657665725 392019201875 410981991175 443093703605 446719555625 481623590875 504920732015 548826882625 620331185047 674273027225 706889024821 732905464375 768357635675 835171343125 943982238115 1026067650125 1130341080625 1288063091875 1321575133361 1436494710175 1467792825625 1582477512875 1803288328625 2054909955875 2215468518025 2408117954375 2524603660075 2744134413125 3101655925235 3371365136125 3534445124105 3841788178375 4342318295329 4719911190575 5130338250625 6607875666805 7182473550875 7912387564375 9016441643125 10274549779375 11077342590125 12623018300375 15508279626175 16856825680625 17672225620525 19208940891875 21711591476645 23599555952875 30396228067303 33039378334025 35912367754375 55386712950625 63115091501875 77541398130875 88361128102625 108557957383225 117997779764375 151981140336515 165196891670125 387706990654375 441805640513125 542789786916125 759905701682575 825984458350625 2713948934580625 3799528508412875 18997642542064375
• Sum of all divisors σ(n): 29641654984146744
• Sum of proper divisors (its aliquot sum) s(n): 10644012442082369
• 18997642542064375 is a deficient number, because the sum of its proper divisors (10644012442082369) is less than itself. Its deficiency is 8353630099982006

Bases of 18997642542064375

• Binary: 1000011011111100100000101010111010010100010001011110111₂
• Hexadecimal: 0x437E41574A22F7
• Base-36: 5723OI0Y7LJ

Squares and roots of 18997642542064375

• 18997642542064375 squared (18997642542064375²) is 360910422156054168241286644140625
• 18997642542064375 cubed (18997642542064375³) is 6856447189826267637863388458622885358185302734375
• The square root of 18997642542064375 is 137831935.8569137089
• The cube root of 18997642542064375 is 266829.1281970465

Scales and comparisons

• 18,997,642,542,064,375 seconds is equal to 604,066,269 years, 14 weeks, 15 hours, 12 minutes, 55 seconds.
• To count from 1 to 18,997,642,542,064,375 would take you about one billion, eight hundred twelve million, one hundred ninety-eight thousand, eight hundred seven 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 18997642542064375 cubic inches would be around 22235.8 feet tall.

Recreational maths with 18997642542064375

• 18997642542064375 backwards is 57346024524679981
• The number of decimal digits it has is: 17
• The sum of 18997642542064375's digits is 82
• More coming soon!