18042394278864

Names of 18042394278864

• Cardinal: 18042394278864 can be written as Eighteen trillion, forty-two billion, three hundred ninety-four million, two hundred seventy-eight thousand, eight hundred sixty-four.

Scientific notation

• Scientific notation: 1.8042394278864 × 10¹³

Factors of 18042394278864

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 277558

Divisors of 18042394278864

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 6 8 12 16 23 24 46 48 69 92 138 184 276 368 552 1104 84793 169586 192737 254379 339172 385474 508758 578211 678344 770948 1017516 1156422 1356688 1541896 1950239 2035032 2312844 3083792 3900478 4070064 4432951 4625688 5850717 7800956 8865902 9251376 11701434 13298853 15601912 17731804 23402868 26597706 31203824 35463608 46805736 53195412 70927216 93611472 106390824 212781648 16342748441 32685496882 49028245323 65370993764 98056490646 130741987528 196112981292 261483975056 375883214143 392225962584 751766428286 784451925168 1127649642429 1503532856572 2255299284858 3007065713144 4510598569716 6014131426288 9021197139432 18042394278864
• Sum of all divisors σ(n): 48636845292672
• Sum of proper divisors (its aliquot sum) s(n): 30594451013808
• 18042394278864 is an abundant number, because the sum of its proper divisors (30594451013808) is greater than itself. Its abundance is 12552056734944

Bases of 18042394278864

• Binary: 100000110100011010010100000000111101111010000₂
• Hexadecimal: 0x1068D2807BD0
• Base-36: 6E8K7PNTC

Squares and roots of 18042394278864

• 18042394278864 squared (18042394278864²) is 325527991313984398597130496
• 18042394278864 cubed (18042394278864³) is 5873304368093521999125421008637622636544
• The square root of 18042394278864 is 4247633.9624388541
• The cube root of 18042394278864 is 26227.9727068407

Scales and comparisons

• 18,042,394,278,864 seconds is equal to 573,692 years, 17 weeks, 20 hours, 34 minutes, 24 seconds.
• To count from 1 to 18,042,394,278,864 would take you about one million, four hundred thirty-four thousand, two hundred thirty 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 18042394278864 cubic inches would be around 2185.7 feet tall.

Recreational maths with 18042394278864

• 18042394278864 backwards is 46887249324081
• The number of decimal digits it has is: 14
• The sum of 18042394278864's digits is 66
• More coming soon!