18197461828

Names of 18197461828

• Cardinal: 18197461828 can be written as Eighteen billion, one hundred ninety-seven million, four hundred sixty-one thousand, eight hundred twenty-eight.

Scientific notation

• Scientific notation: 1.8197461828 × 10¹⁰

Factors of 18197461828

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 11612

Divisors of 18197461828

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 7 13 14 26 28 49 52 91 98 182 196 364 637 653 1274 1306 2548 2612 4571 8489 9142 10937 16978 18284 21874 31997 33956 43748 59423 63994 76559 118846 127988 142181 153118 237692 284362 306236 415961 535913 568724 831922 995267 1071826 1663844 1990534 2143652 3981068 6966869 7141861 13933738 14283722 27867476 28567444 49993027 92844193 99986054 185688386 199972108 349951189 371376772 649909351 699902378 1299818702 1399804756 2599637404 4549365457 9098730914 18197461828
• Sum of all divisors σ(n): 39959182872
• Sum of proper divisors (its aliquot sum) s(n): 21761721044
• 18197461828 is an abundant number, because the sum of its proper divisors (21761721044) is greater than itself. Its abundance is 3564259216

Bases of 18197461828

• Binary: 10000111100101001110011101101000100₂
• Hexadecimal: 0x43CA73B44
• Base-36: 8CYARES

Squares and roots of 18197461828

• 18197461828 squared (18197461828²) is 331147616981517101584
• 18197461828 cubed (18197461828³) is 6026046119454322037604038335552
• The square root of 18197461828 is 134897.9682130165
• The cube root of 18197461828 is 2630.2898295095

Scales and comparisons

• 18,197,461,828 seconds is equal to 578 years, 32 weeks, 2 days, 18 hours, 30 minutes, 28 seconds.
• To count from 1 to 18,197,461,828 would take you about one thousand, one hundred fifty-seven 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 18197461828 cubic inches would be around 219.2 feet tall.

Recreational maths with 18197461828

• 18197461828 backwards is 82816479181
• The number of decimal digits it has is: 11
• The sum of 18197461828's digits is 55
• More coming soon!