18078415936

Names of 18078415936

• Cardinal: 18078415936 can be written as Eighteen billion, seventy-eight million, four hundred fifteen thousand, nine hundred thirty-six.

Scientific notation

• Scientific notation: 1.8078415936 × 10¹⁰

Factors of 18078415936

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 9

Divisors of 18078415936

• Number of divisors d(n): 77
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 49 56 64 98 112 196 224 343 392 448 686 784 1372 1568 2401 2744 3136 4802 5488 9604 10976 16807 19208 21952 33614 38416 67228 76832 117649 134456 153664 235298 268912 470596 537824 823543 941192 1075648 1647086 1882384 3294172 3764768 5764801 6588344 7529536 11529602 13176688 23059204 26353376 40353607 46118408 52706752 80707214 92236816 161414428 184473632 282475249 322828856 368947264 564950498 645657712 1129900996 1291315424 2259801992 2582630848 4519603984 9039207968 18078415936
• Sum of all divisors σ(n): 41853416039
• Sum of proper divisors (its aliquot sum) s(n): 23775000103
• 18078415936 is an abundant number, because the sum of its proper divisors (23775000103) is greater than itself. Its abundance is 5696584167

Bases of 18078415936

• Binary: 10000110101100011101011110001000000₂
• Hexadecimal: 0x4358EBC40
• Base-36: 8AZF70G

Squares and roots of 18078415936

• 18078415936 squared (18078415936²) is 326829122755018756096
• 18078415936 cubed (18078415936³) is 5908552821163231304184823545856
• 18078415936 is a perfect square number. Its square root is 134456
• The cube root of 18078415936 is 2624.5415827637

Scales and comparisons

• 18,078,415,936 seconds is equal to 574 years, 43 weeks, 3 days, 22 hours, 12 minutes, 16 seconds.
• To count from 1 to 18,078,415,936 would take you about one thousand, one hundred forty-nine 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 18078415936 cubic inches would be around 218.7 feet tall.

Recreational maths with 18078415936

• 18078415936 backwards is 63951487081
• The number of decimal digits it has is: 11
• The sum of 18078415936's digits is 52
• More coming soon!