18040091237518186180

Names of 18040091237518186180

• Cardinal: 18040091237518186180 can be written as Eighteen quintillion, forty quadrillion, ninety-one trillion, two hundred thirty-seven billion, five hundred eighteen million, one hundred eighty-six thousand, one hundred eighty.

Scientific notation

• Scientific notation: 1.804009123751818618 × 10¹⁹

Factors of 18040091237518186180

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 313304814826057

Divisors of 18040091237518186180

• Number of divisors d(n): 24
• Complete list of divisors:
  1 2 4 5 10 20 2879 5758 11516 14395 28790 57580 313304814823171 626609629646342 1253219259292684 1566524074115855 3133048148231710 6266096296463420 902004561875909309 1804009123751818618 3608018247503637236 4510022809379546545 9020045618759093090 18040091237518186180
• Sum of all divisors σ(n): 37897350401010885120
• Sum of proper divisors (its aliquot sum) s(n): 19857259163492698940
• 18040091237518186180 is an abundant number, because the sum of its proper divisors (19857259163492698940) is greater than itself. Its abundance is 1817167925974512760

Bases of 18040091237518186180

• Binary: 1111101001011011010001110110011001100111111010001001011011000100₂
• Hexadecimal: 0xFA5B476667E896C4
• Base-36: 3T25YMO7TJH6S

Squares and roots of 18040091237518186180

• 18040091237518186180 squared (18040091237518186180²) is 325444891857980442099173526237142992400
• 18040091237518186180 cubed (18040091237518186180³) is 5871055541902206667343086203419154791829152500145525032000
• The square root of 18040091237518186180 is 4247362856.8228293273
• The cube root of 18040091237518186180 is 2622685.6693172619

Scales and comparisons

• 18,040,091,237,518,186,180 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 18,040,091,237,518,186,180 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 18040091237518186180 cubic inches would be around 218557.1 feet tall.

Recreational maths with 18040091237518186180

• 18040091237518186180 backwards is 08168181573219004081
• The number of decimal digits it has is: 20
• The sum of 18040091237518186180's digits is 73
• More coming soon!