18004208078

Names of 18004208078

• Cardinal: 18004208078 can be written as Eighteen billion, four million, two hundred eight thousand and seventy-eight.

Scientific notation

• Scientific notation: 1.8004208078 × 10¹⁰

Factors of 18004208078

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 371218

Divisors of 18004208078

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 26083 52166 345133 690266 9002104039 18004208078
• Sum of all divisors σ(n): 27007425768
• Sum of proper divisors (its aliquot sum) s(n): 9003217690
• 18004208078 is a deficient number, because the sum of its proper divisors (9003217690) is less than itself. Its deficiency is 9000990388

Bases of 18004208078

• Binary: 10000110001001000100110100111001110₂
• Hexadecimal: 0x4312269CE
• Base-36: 89R8NV2

Squares and roots of 18004208078

• 18004208078 squared (18004208078²) is 324151508515920454084
• 18004208078 cubed (18004208078³) is 5836091208118220831024580890552
• The square root of 18004208078 is 134179.7603142889
• The cube root of 18004208078 is 2620.9456057813

Scales and comparisons

• 18,004,208,078 seconds is equal to 572 years, 24 weeks, 6 days, 54 minutes, 38 seconds.
• To count from 1 to 18,004,208,078 would take you about one thousand, one hundred forty-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 18004208078 cubic inches would be around 218.4 feet tall.

Recreational maths with 18004208078

• 18004208078 backwards is 87080240081
• The number of decimal digits it has is: 11
• The sum of 18004208078's digits is 38
• More coming soon!