18432381408

Names of 18432381408

• Cardinal: 18432381408 can be written as Eighteen billion, four hundred thirty-two million, three hundred eighty-one thousand, four hundred eight.

Scientific notation

• Scientific notation: 1.8432381408 × 10¹⁰

Factors of 18432381408

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 27429151

Divisors of 18432381408

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 84 96 112 168 224 336 672 27429139 54858278 82287417 109716556 164574834 192003973 219433112 329149668 384007946 438866224 576011919 658299336 768015892 877732448 1152023838 1316598672 1536031784 2304047676 2633197344 3072063568 4608095352 6144127136 9216190704 18432381408
• Sum of all divisors σ(n): 55297146240
• Sum of proper divisors (its aliquot sum) s(n): 36864764832
• 18432381408 is an abundant number, because the sum of its proper divisors (36864764832) is greater than itself. Its abundance is 18432383424

Bases of 18432381408

• Binary: 10001001010101001111101000111100000₂
• Hexadecimal: 0x44AA7D1E0
• Base-36: 8GU5WIO

Squares and roots of 18432381408

• 18432381408 squared (18432381408²) is 339752684369984062464
• 18432381408 cubed (18432381408³) is 6262451062699386426217744269312
• The square root of 18432381408 is 135765.9066481715
• The cube root of 18432381408 is 2641.5600192081

Scales and comparisons

• 18,432,381,408 seconds is equal to 586 years, 4 weeks, 5 days, 17 hours, 56 minutes, 48 seconds.
• To count from 1 to 18,432,381,408 would take you about one thousand, one hundred seventy-two 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 18432381408 cubic inches would be around 220.1 feet tall.

Recreational maths with 18432381408

• 18432381408 backwards is 80418323481
• 18432381408 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18432381408's digits is 42
• More coming soon!