18438954046875

Names of 18438954046875

• Cardinal: 18438954046875 can be written as Eighteen trillion, four hundred thirty-eight billion, nine hundred fifty-four million, forty-six thousand, eight hundred seventy-five.

Scientific notation

• Scientific notation: 1.8438954046875 × 10¹³

Factors of 18438954046875

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 135

Divisors of 18438954046875

• Number of divisors d(n): 378
• Complete list of divisors:
  1 3 5 9 15 19 25 37 45 57 71 75 95 111 125 171 185 213 225 285 333 355 375 475 555 625 639 703 855 925 1065 1125 1349 1369 1425 1665 1775 1875 2109 2375 2627 2775 3125 3195 3515 4047 4107 4275 4625 5041 5325 5625 6327 6745 6845 7125 7881 8325 8875 9375 10545 11875 12141 12321 13135 13875 15123 15625 15975 17575 20235 20535 21375 23125 23643 25205 26011 26625 28125 31635 33725 34225 35625 39405 41625 44375 45369 46875 49913 52725 59375 60705 61605 65675 69375 75615 78033 79875 87875 95779 97199 101175 102675 106875 115625 118215 126025 130055 133125 140625 149739 158175 168625 171125 178125 186517 197025 208125 221875 226845 234099 249565 263625 287337 291597 296875 303525 308025 328375 346875 378075 390165 399375 439375 449217 478895 485995 505875 513375 534375 559551 578125 591075 630125 650275 665625 748695 790875 843125 855625 862011 874791 890625 932585 985125 1040625 1109375 1134225 1170495 1247825 1318125 1436685 1457985 1517625 1540125 1641875 1678653 1734375 1846781 1890375 1950825 1996875 2196875 2246085 2394475 2429975 2529375 2566875 2671875 2797755 2955375 3150625 3251375 3328125 3543823 3743475 3954375 4215625 4278125 4310055 4373955 4662925 4925625 5203125 5540343 5671125 5852475 6239125 6590625 6901129 7183425 7289925 7588125 7700625 8209375 8393265 9233905 9451875 9754125 9984375 10631469 10984375 11230425 11972375 12149875 12646875 12834375 13988775 14776875 15753125 16256875 16621029 17719115 18717375 19771875 20703387 21078125 21390625 21550275 21869775 23314625 24628125 27701715 28355625 29262375 31195625 31894407 32953125 34505645 35917125 36449625 37940625 38503125 41046875 41966325 46169525 47259375 48770625 53157345 56152125 59861875 60749375 62110161 63234375 64171875 69943875 73884375 78765625 81284375 83105145 88595575 93586875 98859375 103516935 107751375 109348875 116573125 123140625 131121451 138508575 141778125 146311875 155978125 159472035 172528225 179585625 182248125 189703125 192515625 209831625 230847625 236296875 243853125 265786725 280760625 299309375 303746875 310550805 349719375 369421875 393364353 406421875 415525725 442977875 467934375 517584675 538756875 546744375 582865625 655607255 692542875 708890625 731559375 779890625 797360175 862641125 897928125 911240625 1049158125 1154238125 1180093059 1219265625 1328933625 1403803125 1496546875 1518734375 1552754025 1748596875 1966821765 2077628625 2214889375 2339671875 2587923375 2693784375 2733721875 2914328125 3278036275 3462714375 3657796875 3986800875 4313205625 4489640625 4556203125 5245790625 5771190625 5900465295 6644668125 7019015625 7763770125 8742984375 9834108825 10388143125 11074446875 12939616875 13468921875 13668609375 16390181375 17313571875 19934004375 21566028125 26228953125 28855953125 29502326475 33223340625 38818850625 49170544125 51940715625 55372234375 64698084375 81950906875 86567859375 99670021875 107830140625 147511632375 166116703125 194094253125 245852720625 259703578125 323490421875 409754534375 498350109375 737558161875 970471265625 1229263603125 2048772671875 3687790809375 6146318015625 18438954046875
• Sum of all divisors σ(n): 36531517937460
• Sum of proper divisors (its aliquot sum) s(n): 18092563890585
• 18438954046875 is a deficient number, because the sum of its proper divisors (18092563890585) is less than itself. Its deficiency is 346390156290

Bases of 18438954046875

• Binary: 100001100010100100111010011100101010110011011₂
• Hexadecimal: 0x10C5274E559B
• Base-36: 6JAQL5R4R

Squares and roots of 18438954046875

• 18438954046875 squared (18438954046875²) is 339995026342767939697265625
• 18438954046875 cubed (18438954046875³) is 6269152666900353132569901958465576171875
• The square root of 18438954046875 is 4294060.3217555063
• The cube root of 18438954046875 is 26418.7395869025

Scales and comparisons

• 18,438,954,046,875 seconds is equal to 586,301 years, 36 weeks, 3 days, 23 hours, 41 minutes, 15 seconds.
• To count from 1 to 18,438,954,046,875 would take you about one million, four hundred sixty-five thousand, seven hundred fifty-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 18438954046875 cubic inches would be around 2201.6 feet tall.

Recreational maths with 18438954046875

• 18438954046875 backwards is 57864045983481
• The number of decimal digits it has is: 14
• The sum of 18438954046875's digits is 72
• More coming soon!