12162402018

Names of 12162402018

• Cardinal: 12162402018 can be written as Twelve billion, one hundred sixty-two million, four hundred two thousand and eighteen.

Scientific notation

• Scientific notation: 1.2162402018 × 10¹⁰

Factors of 12162402018

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 911898

Divisors of 12162402018

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 9 13 18 19 26 27 38 39 54 57 78 114 117 171 234 247 342 351 494 513 702 741 1026 1482 2223 4446 6669 13338 911861 1823722 2735583 5471166 8206749 11854193 16413498 17325359 23708386 24620247 34650718 35562579 49240494 51976077 71125158 103952154 106687737 155928231 213375474 225229667 311856462 320063211 450459334 467784693 640126422 675689001 935569386 1351378002 2027067003 4054134006 6081201009 12162402018
• Sum of all divisors σ(n): 30638563200
• Sum of proper divisors (its aliquot sum) s(n): 18476161182
• 12162402018 is an abundant number, because the sum of its proper divisors (18476161182) is greater than itself. Its abundance is 6313759164

Bases of 12162402018

• Binary: 1011010100111011111000011011100010₂
• Hexadecimal: 0x2D4EF86E2
• Base-36: 5L56HGI

Squares and roots of 12162402018

• 12162402018 squared (12162402018²) is 147924022847450472324
• 12162402018 cubed (12162402018³) is 1799111433990509730748470749832
• The square root of 12162402018 is 110283.2807727445
• The cube root of 12162402018 is 2299.7102355813

Scales and comparisons

• 12,162,402,018 seconds is equal to 386 years, 37 weeks, 5 days, 13 hours, 18 seconds.
• To count from 1 to 12,162,402,018 would take you about seven hundred seventy-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 12162402018 cubic inches would be around 191.6 feet tall.

Recreational maths with 12162402018

• 12162402018 backwards is 81020426121
• 12162402018 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12162402018's digits is 27
• More coming soon!