1218195468

Names of 1218195468

• Cardinal: 1218195468 can be written as One billion, two hundred eighteen million, one hundred ninety-five thousand, four hundred sixty-eight.

Scientific notation

• Scientific notation: 1.218195468 × 10⁹

Factors of 1218195468

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 22320

Divisors of 1218195468

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 28 31 36 42 49 62 63 84 93 98 124 126 147 186 196 217 252 279 294 372 434 441 558 588 651 868 882 1116 1302 1519 1764 1953 2604 3038 3906 4557 6076 7812 9114 13671 18228 22277 27342 44554 54684 66831 89108 133662 155939 200493 267324 311878 400986 467817 623756 690587 801972 935634 1091573 1381174 1403451 1871268 2071761 2183146 2762348 2806902 3274719 4143522 4366292 4834109 5613804 6215283 6549438 8287044 9668218 9824157 12430566 13098876 14502327 19336436 19648314 24861132 29004654 33838763 39296628 43506981 58009308 67677526 87013962 101516289 135355052 174027924 203032578 304548867 406065156 609097734 1218195468
• Sum of all divisors σ(n): 3697791552
• Sum of proper divisors (its aliquot sum) s(n): 2479596084
• 1218195468 is an abundant number, because the sum of its proper divisors (2479596084) is greater than itself. Its abundance is 1261400616

Bases of 1218195468

• Binary: 1001000100111000011000000001100₂
• Hexadecimal: 0x489C300C
• Base-36: K5A5N0

Squares and roots of 1218195468

• 1218195468 squared (1218195468²) is 1484000198255739024
• 1218195468 cubed (1218195468³) is 1807802316026242784027543232
• The square root of 1218195468 is 34902.6570335269
• The cube root of 1218195468 is 1068.0026406533

Scales and comparisons

• 1,218,195,468 seconds is equal to 38 years, 38 weeks, 1 day, 11 hours, 37 minutes, 48 seconds.
• To count from 1 to 1,218,195,468 would take you about seventy-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 1218195468 cubic inches would be around 89 feet tall.

Recreational maths with 1218195468

• 1218195468 backwards is 8645918121
• The number of decimal digits it has is: 10
• The sum of 1218195468's digits is 45
• More coming soon!