18015722994464

Names of 18015722994464

• Cardinal: 18015722994464 can be written as Eighteen trillion, fifteen billion, seven hundred twenty-two million, nine hundred ninety-four thousand, four hundred sixty-four.

Scientific notation

• Scientific notation: 1.8015722994464 × 10¹³

Factors of 18015722994464

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 93941965

Divisors of 18015722994464

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 8 13 16 26 32 52 104 208 416 461 922 1844 3688 5993 7376 11986 14752 23972 47944 95888 191776 93941489 187882978 375765956 751531912 1221239357 1503063824 2442478714 3006127648 4884957428 9769914856 19539829712 39079659424 43307026429 86614052858 173228105716 346456211432 562991343577 692912422864 1125982687154 1385824845728 2251965374308 4503930748616 9007861497232 18015722994464
• Sum of all divisors σ(n): 38279654111160
• Sum of proper divisors (its aliquot sum) s(n): 20263931116696
• 18015722994464 is an abundant number, because the sum of its proper divisors (20263931116696) is greater than itself. Its abundance is 2248208122232

Bases of 18015722994464

• Binary: 100000110001010011100110001001111101100100000₂
• Hexadecimal: 0x10629CC4FB20
• Base-36: 6DWB4BH28

Squares and roots of 18015722994464

• 18015722994464 squared (18015722994464²) is 324566275013258914974647296
• 18015722994464 cubed (18015722994464³) is 5847296103983895040990396354135360569344
• The square root of 18015722994464 is 4244493.2553208281
• The cube root of 18015722994464 is 26215.0424440281

Scales and comparisons

• 18,015,722,994,464 seconds is equal to 572,844 years, 13 weeks, 5 days, 10 hours, 27 minutes, 44 seconds.
• To count from 1 to 18,015,722,994,464 would take you about one million, four hundred thirty-two thousand, one hundred ten 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 18015722994464 cubic inches would be around 2184.6 feet tall.

Recreational maths with 18015722994464

• 18015722994464 backwards is 46449922751081
• The number of decimal digits it has is: 14
• The sum of 18015722994464's digits is 62
• More coming soon!