18311319523772

Names of 18311319523772

• Cardinal: 18311319523772 can be written as Eighteen trillion, three hundred eleven billion, three hundred nineteen million, five hundred twenty-three thousand, seven hundred seventy-two.

Scientific notation

• Scientific notation: 1.8311319523772 × 10¹³

Factors of 18311319523772

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 5785

Divisors of 18311319523772

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 11 22 44 211 422 449 844 898 1093 1796 2186 2321 4019 4372 4642 4939 8038 9284 9878 12023 16076 19756 24046 44209 48092 88418 94739 176836 189478 230623 378956 461246 490757 848009 922492 981514 1042129 1696018 1804531 1963028 2084258 2536853 3392036 3609062 4168516 4392767 5073706 5398327 7218124 8785534 9328099 10147412 10796654 17571068 18656198 19849841 21593308 37312396 39699682 48320437 79399364 96640874 103549727 193281748 207099454 380756041 414198908 761512082 926873837 1139046997 1523024164 1853747674 1972352383 2278093994 3707495348 3944704766 4188316451 4556187988 7889409532 8376632902 10195612207 16753265804 20391224414 21695876213 40782448828 43391752426 86783504852 416166352813 832332705626 1664665411252 4577829880943 9155659761886 18311319523772
• Sum of all divisors σ(n): 35242851168000
• Sum of proper divisors (its aliquot sum) s(n): 16931531644228
• 18311319523772 is a deficient number, because the sum of its proper divisors (16931531644228) is less than itself. Its deficiency is 1379787879544

Bases of 18311319523772

• Binary: 100001010011101101111101100100001000110111100₂
• Hexadecimal: 0x10A76FB211BC
• Base-36: 6HO3QUYT8

Squares and roots of 18311319523772

• 18311319523772 squared (18311319523772²) is 335304422701673624873107984
• 18311319523772 cubed (18311319523772³) is 6139866421824255666238812663508410995648
• The square root of 18311319523772 is 4279172.7616178341
• The cube root of 18311319523772 is 26357.6415173909

Scales and comparisons

• 18,311,319,523,772 seconds is equal to 582,243 years, 16 weeks, 4 days, 13 hours, 29 minutes, 32 seconds.
• To count from 1 to 18,311,319,523,772 would take you about one million, four hundred fifty-five thousand, six hundred 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 18311319523772 cubic inches would be around 2196.5 feet tall.

Recreational maths with 18311319523772

• 18311319523772 backwards is 27732591311381
• The number of decimal digits it has is: 14
• The sum of 18311319523772's digits is 53
• More coming soon!