18149431488

Names of 18149431488

• Cardinal: 18149431488 can be written as Eighteen billion, one hundred forty-nine million, four hundred thirty-one thousand, four hundred eighty-eight.

Scientific notation

• Scientific notation: 1.8149431488 × 10¹⁰

Factors of 18149431488

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 528275

Divisors of 18149431488

• Number of divisors d(n): 56
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 48 64 96 179 192 358 537 716 1074 1432 2148 2864 4296 5728 8592 11456 17184 34368 528091 1056182 1584273 2112364 3168546 4224728 6337092 8449456 12674184 16898912 25348368 33797824 50696736 94528289 101393472 189056578 283584867 378113156 567169734 756226312 1134339468 1512452624 2268678936 3024905248 4537357872 6049810496 9074715744 18149431488
• Sum of all divisors σ(n): 48288732480
• Sum of proper divisors (its aliquot sum) s(n): 30139300992
• 18149431488 is an abundant number, because the sum of its proper divisors (30139300992) is greater than itself. Its abundance is 11989869504

Bases of 18149431488

• Binary: 10000111001110010100101100011000000₂
• Hexadecimal: 0x439CA58C0
• Base-36: 8C5PAYO

Squares and roots of 18149431488

• 18149431488 squared (18149431488²) is 329401863337605894144
• 18149431488 cubed (18149431488³) is 5978456550665417189711508406272
• The square root of 18149431488 is 134719.8258906239
• The cube root of 18149431488 is 2627.9736635231

Scales and comparisons

• 18,149,431,488 seconds is equal to 577 years, 4 weeks, 6 days, 20 hours, 44 minutes, 48 seconds.
• To count from 1 to 18,149,431,488 would take you about one thousand, one hundred fifty-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 18149431488 cubic inches would be around 219 feet tall.

Recreational maths with 18149431488

• 18149431488 backwards is 88413494181
• The number of decimal digits it has is: 11
• The sum of 18149431488's digits is 51
• More coming soon!