18006712018

Names of 18006712018

• Cardinal: 18006712018 can be written as Eighteen billion, six million, seven hundred twelve thousand and eighteen.

Scientific notation

• Scientific notation: 1.8006712018 × 10¹⁰

Factors of 18006712018

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 411

Divisors of 18006712018

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 17 31 34 41 62 82 127 193 254 289 386 527 578 697 1054 1271 1394 2159 2542 3281 3937 4318 5207 5983 6562 7874 7913 8959 10414 11849 11966 15826 17918 21607 23698 24511 36703 43214 49022 55777 66929 73406 88519 101711 111554 133858 134521 161417 177038 203422 245303 269042 322834 367319 416687 490606 734638 759841 833374 1004951 1137793 1504823 1519682 1729087 2009902 2275586 2286857 2744089 3009646 3458174 4170151 4573714 5488178 7083679 8340302 12917297 14167358 17084167 25834594 31153481 34168334 46649513 62306962 70892567 93299026 141785134 219594049 290430839 439188098 529609177 580861678 1059218354 9003356009 18006712018
• Sum of all divisors σ(n): 30737645568
• Sum of proper divisors (its aliquot sum) s(n): 12730933550
• 18006712018 is a deficient number, because the sum of its proper divisors (12730933550) is less than itself. Its deficiency is 5275778468

Bases of 18006712018

• Binary: 10000110001010010001001111011010010₂
• Hexadecimal: 0x431489ED2
• Base-36: 89SQBWY

Squares and roots of 18006712018

• 18006712018 squared (18006712018²) is 324241677699185632324
• 18006712018 cubed (18006712018³) is 5838526514562408514381500069832
• The square root of 18006712018 is 134189.0905327255
• The cube root of 18006712018 is 2621.0671030501

Scales and comparisons

• 18,006,712,018 seconds is equal to 572 years, 29 weeks, 26 minutes, 58 seconds.
• To count from 1 to 18,006,712,018 would take you about one thousand, one hundred forty-five 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 18006712018 cubic inches would be around 218.4 feet tall.

Recreational maths with 18006712018

• 18006712018 backwards is 81021760081
• 18006712018 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18006712018's digits is 34
• More coming soon!