18463135899

Names of 18463135899

• Cardinal: 18463135899 can be written as Eighteen billion, four hundred sixty-three million, one hundred thirty-five thousand, eight hundred ninety-nine.

Scientific notation

• Scientific notation: 1.8463135899 × 10¹⁰

Factors of 18463135899

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 3356

Divisors of 18463135899

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 13 31 39 61 79 93 183 237 403 793 1027 1209 1891 2379 2449 3081 3169 4819 5673 7347 9507 14457 24583 31837 41197 62647 73749 95511 98239 123591 149389 187941 193309 250351 294717 448167 579927 751053 1277107 1942057 2513017 3254563 3831321 5826171 5992579 7539051 7760881 9763689 15271411 17977737 23282643 45814233 77903527 100891453 198528343 233710581 302674359 473413741 595585029 1420241223 6154378633 18463135899
• Sum of all divisors σ(n): 28175974400
• Sum of proper divisors (its aliquot sum) s(n): 9712838501
• 18463135899 is a deficient number, because the sum of its proper divisors (9712838501) is less than itself. Its deficiency is 8750297398

Bases of 18463135899

• Binary: 10001001100011111010001100010011011₂
• Hexadecimal: 0x44C7D189B
• Base-36: 8HCH2U3

Squares and roots of 18463135899

• 18463135899 squared (18463135899²) is 340887387224942538201
• 18463135899 cubed (18463135899³) is 6293850156589150565271061977699
• The square root of 18463135899 is 135879.1223808867
• The cube root of 18463135899 is 2643.0283534925

Scales and comparisons

• 18,463,135,899 seconds is equal to 587 years, 3 weeks, 4 days, 16 hours, 51 minutes, 39 seconds.
• To count from 1 to 18,463,135,899 would take you about one thousand, one hundred seventy-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 18463135899 cubic inches would be around 220.3 feet tall.

Recreational maths with 18463135899

• 18463135899 backwards is 99853136481
• The number of decimal digits it has is: 11
• The sum of 18463135899's digits is 57
• More coming soon!