18040261905527839

Names of 18040261905527839

• Cardinal: 18040261905527839 can be written as Eighteen quadrillion, forty trillion, two hundred sixty-one billion, nine hundred five million, five hundred twenty-seven thousand, eight hundred thirty-nine.

Scientific notation

• Scientific notation: 1.8040261905527839 × 10¹⁶

Factors of 18040261905527839

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 331763483

Divisors of 18040261905527839

• Number of divisors d(n): 32
• Complete list of divisors:
  1 37 97 109 139 3589 4033 5143 10573 13483 15151 391201 498871 560587 1469647 54376939 331763101 12275234737 32181020797 36162178009 46115071039 1190697769489 1338000586333 1706257628443 3507731266873 4473161890783 5026542743251 129786056874301 165506989958971 185982081500287 487574646095347 18040261905527839
• Sum of all divisors σ(n): 19026481194459200
• Sum of proper divisors (its aliquot sum) s(n): 986219288931361
• 18040261905527839 is a deficient number, because the sum of its proper divisors (986219288931361) is less than itself. Its deficiency is 17054042616596478

Bases of 18040261905527839

• Binary: 1000000000101111000010111001010100010001011010000011111₂
• Hexadecimal: 0x401785CA88B41F
• Base-36: 4XMQLWOSIE7

Squares and roots of 18040261905527839

• 18040261905527839 squared (18040261905527839²) is 325451049620038936632625204009921
• 18040261905527839 cubed (18040261905527839³) is 5871222172574438909730649180316259313418897690719
• The square root of 18040261905527839 is 134314042.1010693841
• The cube root of 18040261905527839 is 262269.3939917185

Scales and comparisons

• 18,040,261,905,527,839 seconds is equal to 573,624,526 years, 20 weeks, 6 days, 6 hours, 37 minutes, 19 seconds.
• To count from 1 to 18,040,261,905,527,839 would take you about one billion, seven hundred twenty million, eight hundred seventy-three thousand, five hundred seventy-nine 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 18040261905527839 cubic inches would be around 21855.8 feet tall.

Recreational maths with 18040261905527839

• 18040261905527839 backwards is 93872550916204081
• The number of decimal digits it has is: 17
• The sum of 18040261905527839's digits is 70
• More coming soon!