18112913469440

Names of 18112913469440

• Cardinal: 18112913469440 can be written as Eighteen trillion, one hundred twelve billion, nine hundred thirteen million, four hundred sixty-nine thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.811291346944 × 10¹³

Factors of 18112913469440

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 884419610

Divisors of 18112913469440

• Number of divisors d(n): 52
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 512 640 1024 1280 2048 2560 4096 5120 10240 20480 884419603 1768839206 3537678412 4422098015 7075356824 8844196030 14150713648 17688392060 28301427296 35376784120 56602854592 70753568240 113205709184 141507136480 226411418368 283014272960 452822836736 566028545920 905645673472 1132057091840 1811291346944 2264114183680 3622582693888 4528228367360 9056456734720 18112913469440
• Sum of all divisors σ(n): 43465685858184
• Sum of proper divisors (its aliquot sum) s(n): 25352772388744
• 18112913469440 is an abundant number, because the sum of its proper divisors (25352772388744) is greater than itself. Its abundance is 7239858919304

Bases of 18112913469440

• Binary: 100000111100100111101110001011111000000000000₂
• Hexadecimal: 0x10793DC5F000
• Base-36: 6F4YH0NI8

Squares and roots of 18112913469440

• 18112913469440 squared (18112913469440²) is 328077634351420977813913600
• 18112913469440 cubed (18112913469440³) is 5942441802265864267449411051280400384000
• The square root of 18112913469440 is 4255926.8637325053
• The cube root of 18112913469440 is 26262.0991997129

Scales and comparisons

• 18,112,913,469,440 seconds is equal to 575,934 years, 32 weeks, 2 days, 4 hours, 37 minutes, 20 seconds.
• To count from 1 to 18,112,913,469,440 would take you about one million, four hundred thirty-nine thousand, eight hundred thirty-six 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 18112913469440 cubic inches would be around 2188.5 feet tall.

Recreational maths with 18112913469440

• 18112913469440 backwards is 04496431921181
• The number of decimal digits it has is: 14
• The sum of 18112913469440's digits is 53
• More coming soon!