18321593328

Names of 18321593328

• Cardinal: 18321593328 can be written as Eighteen billion, three hundred twenty-one million, five hundred ninety-three thousand, three hundred twenty-eight.

Scientific notation

• Scientific notation: 1.8321593328 × 10¹⁰

Factors of 18321593328

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 7484333

Divisors of 18321593328

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 17 18 24 34 36 48 51 68 72 102 136 144 153 204 272 306 408 612 816 1224 2448 7484311 14968622 22452933 29937244 44905866 59874488 67358799 89811732 119748976 127233287 134717598 179623464 254466574 269435196 359246928 381699861 508933148 538870392 763399722 1017866296 1077740784 1145099583 1526799444 2035732592 2290199166 3053598888 4580398332 6107197776 9160796664 18321593328
• Sum of all divisors σ(n): 54291199248
• Sum of proper divisors (its aliquot sum) s(n): 35969605920
• 18321593328 is an abundant number, because the sum of its proper divisors (35969605920) is greater than itself. Its abundance is 17648012592

Bases of 18321593328

• Binary: 10001000100000011010101001111110000₂
• Hexadecimal: 0x4440D53F0
• Base-36: 8F07BW0

Squares and roots of 18321593328

• 18321593328 squared (18321593328²) is 335680782076614115584
• 18321593328 cubed (18321593328³) is 6150206777232715164914435223552
• The square root of 18321593328 is 135357.2802918261
• The cube root of 18321593328 is 2636.2570028419

Scales and comparisons

• 18,321,593,328 seconds is equal to 582 years, 29 weeks, 4 days, 11 hours, 28 minutes, 48 seconds.
• To count from 1 to 18,321,593,328 would take you about one thousand, one hundred sixty-five 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 18321593328 cubic inches would be around 219.7 feet tall.

Recreational maths with 18321593328

• 18321593328 backwards is 82339512381
• The number of decimal digits it has is: 11
• The sum of 18321593328's digits is 45
• More coming soon!