5391809388729

Names of 5391809388729

• Cardinal: 5391809388729 can be written as Five trillion, three hundred ninety-one billion, eight hundred nine million, three hundred eighty-eight thousand, seven hundred twenty-nine.

Scientific notation

• Scientific notation: 5.391809388729 × 10¹²

Factors of 5391809388729

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 375

Divisors of 5391809388729

• Number of divisors d(n): 81
• Complete list of divisors:
  1 3 9 27 81 109 243 263 327 729 789 981 2187 2367 2943 6561 7101 8829 11881 21303 26487 28667 35643 63909 69169 79461 86001 106929 191727 207507 238383 258003 320787 575181 622521 715149 774009 962361 1725543 1867563 2322027 2887083 3124703 5602689 6966081 7539421 8661249 9374109 16808067 20898243 22618263 25983747 28122327 50424201 62694729 67854789 77951241 84366981 151272603 188084187 203564367 253100943 453817809 610693101 759302829 821796889 1832079303 2277908487 2465390667 5496237909 6833725461 7396172001 16488713727 20501176383 22188516003 49466141181 66565548009 199696644027 599089932081 1797269796243 5391809388729
• Sum of all divisors σ(n): 8193332224623
• Sum of proper divisors (its aliquot sum) s(n): 2801522835894
• 5391809388729 is a deficient number, because the sum of its proper divisors (2801522835894) is less than itself. Its deficiency is 2590286552835

Bases of 5391809388729

• Binary: 1001110011101100000111000100010000010111001₂
• Hexadecimal: 0x4E760E220B9
• Base-36: 1WSYO3IK9

Squares and roots of 5391809388729

• 5391809388729 squared (5391809388729²) is 29071608484386192632235441
• 5391809388729 cubed (5391809388729³) is 156748571571567127437181016639019744489
• 5391809388729 is a perfect square number. Its square root is 2322027
• The cube root of 5391809388729 is 17535.2317583291

Scales and comparisons

• 5,391,809,388,729 seconds is equal to 171,442 years, 44 weeks, 5 days, 6 hours, 12 minutes, 9 seconds.
• To count from 1 to 5,391,809,388,729 would take you about four hundred twenty-eight thousand, six hundred seven 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 5391809388729 cubic inches would be around 1461.3 feet tall.

Recreational maths with 5391809388729

• 5391809388729 backwards is 9278839081935
• The number of decimal digits it has is: 13
• The sum of 5391809388729's digits is 72
• More coming soon!