18140118913521389020508416

Names of 18140118913521389020508416

• Cardinal: 18140118913521389020508416 can be written as Eighteen septillion, one hundred forty sextillion, one hundred eighteen quintillion, nine hundred thirteen quadrillion, five hundred twenty-one trillion, three hundred eighty-nine billion, twenty million, five hundred eight thousand, four hundred sixteen.

Scientific notation

• Scientific notation: 1.8140118913521389020508416 × 10²⁵

Factors of 18140118913521389020508416

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 515943

Divisors of 18140118913521389020508416

• Number of divisors d(n): 27
• Complete list of divisors:
  1 2 4 8 16 32 64 128 256 515941 1031882 2063764 4127528 8255056 16510112 33020224 66040448 132080896 266195115481 532390230962 1064780461924 2129560923848 4259121847696 8518243695392 17036487390784 34072974781568 68145949563136
• Sum of all divisors σ(n): 18140118913589269038602433
• Sum of proper divisors (its aliquot sum) s(n): 67880018094017
• 18140118913521389020508416 is a deficient number, because the sum of its proper divisors (67880018094017) is less than itself. Its deficiency is 18140118913453509002414399

Bases of 18140118913521389020508416

• Binary: 111100000001010100011101000100010111001000101001011100111000111000011111000100000000₂
• Hexadecimal: 0xF0151D117229738E1F100
• Base-36: 2A1YON7DTRQWN99TS

Squares and roots of 18140118913521389020508416

• 18140118913521389020508416 squared (18140118913521389020508416²) is 329063914196696419233182370425250341440243126829056
• 18140118913521389020508416 cubed (18140118913521389020508416³) is 5969258533676872228558909467190981285798017911130334293588947864935041335296
• 18140118913521389020508416 is a perfect square number. Its square root is 4259121847696
• The cube root of 18140118913521389020508416 is 262752411.0645761119

Scales and comparisons

• 18,140,118,913,521,389,020,508,416 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 18,140,118,913,521,389,020,508,416 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 18140118913521389020508416 cubic inches would be around 21896034.3 feet tall.

Recreational maths with 18140118913521389020508416

• 18140118913521389020508416 backwards is 61480502098312531981104181
• The number of decimal digits it has is: 26
• The sum of 18140118913521389020508416's digits is 91
• More coming soon!