12318104540

Names of 12318104540

• Cardinal: 12318104540 can be written as Twelve billion, three hundred eighteen million, one hundred four thousand, five hundred forty.

Scientific notation

• Scientific notation: 1.231810454 × 10¹⁰

Factors of 12318104540

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1276

Divisors of 12318104540

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 7 10 14 20 28 35 61 70 122 140 244 305 427 610 854 1201 1220 1708 2135 2402 4270 4804 6005 8407 8540 12010 16814 24020 33628 42035 73261 84070 146522 168140 293044 366305 512827 732610 1025654 1442401 1465220 2051308 2564135 2884802 5128270 5769604 7212005 10096807 10256540 14424010 20193614 28848020 40387228 50484035 87986461 100968070 175972922 201936140 351945844 439932305 615905227 879864610 1231810454 1759729220 2463620908 3079526135 6159052270 12318104540
• Sum of all divisors σ(n): 30073137696
• Sum of proper divisors (its aliquot sum) s(n): 17755033156
• 12318104540 is an abundant number, because the sum of its proper divisors (17755033156) is greater than itself. Its abundance is 5436928616

Bases of 12318104540

• Binary: 1011011110001101110101101111011100₂
• Hexadecimal: 0x2DE375BDC
• Base-36: 5NPVQAK

Squares and roots of 12318104540

• 12318104540 squared (12318104540²) is 151735699458368611600
• 12318104540 cubed (12318104540³) is 1869096208378205935543456664000
• The square root of 12318104540 is 110986.9566210373
• The cube root of 12318104540 is 2309.4822487359

Scales and comparisons

• 12,318,104,540 seconds is equal to 391 years, 35 weeks, 1 day, 15 hours, 42 minutes, 20 seconds.
• To count from 1 to 12,318,104,540 would take you about seven hundred eighty-three 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 12318104540 cubic inches would be around 192.5 feet tall.

Recreational maths with 12318104540

• 12318104540 backwards is 04540181321
• The number of decimal digits it has is: 11
• The sum of 12318104540's digits is 29
• More coming soon!