18180420216

Names of 18180420216

• Cardinal: 18180420216 can be written as Eighteen billion, one hundred eighty million, four hundred twenty thousand, two hundred sixteen.

Scientific notation

• Scientific notation: 1.8180420216 × 10¹⁰

Factors of 18180420216

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 37154

Divisors of 18180420216

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 21 24 28 42 49 56 84 98 147 168 196 294 392 421 588 842 1176 1263 1684 2526 2947 3368 5052 5894 8841 10104 11788 17682 20629 23576 35364 36721 41258 61887 70728 73442 82516 110163 123774 146884 165032 220326 247548 257047 293768 440652 495096 514094 771141 881304 1028188 1542282 1799329 2056376 3084564 3598658 5397987 6169128 7197316 10795974 14394632 15459541 21591948 30919082 43183896 46378623 61838164 92757246 108216787 123676328 185514492 216433574 324650361 371028984 432867148 649300722 757517509 865734296 1298601444 1515035018 2272552527 2597202888 3030070036 4545105054 6060140072 9090210108 18180420216
• Sum of all divisors σ(n): 52998659280
• Sum of proper divisors (its aliquot sum) s(n): 34818239064
• 18180420216 is an abundant number, because the sum of its proper divisors (34818239064) is greater than itself. Its abundance is 16637818848

Bases of 18180420216

• Binary: 10000111011101000110011001001111000₂
• Hexadecimal: 0x43BA33278
• Base-36: 8CO5I0O

Squares and roots of 18180420216

• 18180420216 squared (18180420216²) is 330527679230341486656
• 18180420216 cubed (18180420216³) is 6009132101426863684584236637696
• The square root of 18180420216 is 134834.7885970085
• The cube root of 18180420216 is 2629.4684992447

Scales and comparisons

• 18,180,420,216 seconds is equal to 578 years, 4 weeks, 1 day, 12 hours, 43 minutes, 36 seconds.
• To count from 1 to 18,180,420,216 would take you about one thousand, one hundred fifty-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 18180420216 cubic inches would be around 219.1 feet tall.

Recreational maths with 18180420216

• 18180420216 backwards is 61202408181
• The number of decimal digits it has is: 11
• The sum of 18180420216's digits is 33
• More coming soon!