18128425711478423

Names of 18128425711478423

• Cardinal: 18128425711478423 can be written as Eighteen quadrillion, one hundred twenty-eight trillion, four hundred twenty-five billion, seven hundred eleven million, four hundred seventy-eight thousand, four hundred twenty-three.

Scientific notation

• Scientific notation: 1.8128425711478423 × 10¹⁶

Factors of 18128425711478423

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 20630

Divisors of 18128425711478423

• Number of divisors d(n): 96
• Complete list of divisors:
  1 11 37 121 139 407 421 1529 4441 4477 4631 5143 15577 15581 16819 48851 50941 56573 58519 164317 171347 171391 537361 576497 617299 622303 643709 1807487 1869661 1884817 1885301 2165203 2165759 6341467 6559601 6790289 7080799 19882357 20566271 22840063 23817233 23823349 69177457 69195221 69756137 72155611 74693179 80133083 226228981 242705237 251240693 259882879 261989563 262056839 760952027 761147431 793711721 881463913 911784539 2560223177 2669757607 2763647623 2858711669 8370472297 8372621741 9615666523 9618135719 9696103043 10029629929 28162454947 29131188041 29367333677 31445828359 33736027943 105772331753 105799492909 110325929219 309787004417 320443068451 355871021603 371096307373 1077853957517 1163495649283 1163794421999 3524873752961 3914581237633 4049235137699 4082059381103 11856393532687 43060393613963 44541586514689 130420328859557 149821700094863 489957451661579 1648038701043493 18128425711478423
• Sum of all divisors σ(n): 20667001854838080
• Sum of proper divisors (its aliquot sum) s(n): 2538576143359657
• 18128425711478423 is a deficient number, because the sum of its proper divisors (2538576143359657) is less than itself. Its deficiency is 15589849568118766

Bases of 18128425711478423

• Binary: 1000000011001111011010100000110110111101010011010010111₂
• Hexadecimal: 0x4067B506DEA697
• Base-36: 4YHZNSUJ6ON

Squares and roots of 18128425711478423

• 18128425711478423 squared (18128425711478423²) is 328639818776591967149096394566929
• 18128425711478423 cubed (18128425711478423³) is 5957722540525179230240299908383888538289412872967
• The square root of 18128425711478423 is 134641842.3502828597
• The cube root of 18128425711478423 is 262695.9418016929

Scales and comparisons

• 18,128,425,711,478,423 seconds is equal to 576,427,862 years, 37 weeks, 4 days, 23 seconds.
• To count from 1 to 18,128,425,711,478,423 would take you about one billion, seven hundred twenty-nine million, two hundred eighty-three thousand, five hundred eighty-eight 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 18128425711478423 cubic inches would be around 21891.3 feet tall.

Recreational maths with 18128425711478423

• 18128425711478423 backwards is 32487411752482181
• The number of decimal digits it has is: 17
• The sum of 18128425711478423's digits is 68
• More coming soon!