491921127040876952289

Names of 491921127040876952289

• Cardinal: 491921127040876952289 can be written as Four hundred ninety-one quintillion, nine hundred twenty-one quadrillion, one hundred twenty-seven trillion, forty billion, eight hundred seventy-six million, nine hundred fifty-two thousand, two hundred eighty-nine.

Scientific notation

• Scientific notation: 4.91921127040876952289 × 10²⁰

Factors of 491921127040876952289

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 42837482404

Divisors of 491921127040876952289

• Number of divisors d(n): 24
• Complete list of divisors:
  1 3 13 39 169 507 22661747 67985241 294602711 883808133 3829835243 11489505729 42814820641 128444461923 556592668333 1669778004999 7235704688329 21707114064987 970258633216719827 2910775899650159481 12613362231817357751 37840086695452073253 163973709013625650763 491921127040876952289
• Sum of all divisors σ(n): 710229350871676022112
• Sum of proper divisors (its aliquot sum) s(n): 218308223830799069823
• 491921127040876952289 is a deficient number, because the sum of its proper divisors (218308223830799069823) is less than itself. Its deficiency is 273612903210077882466

Bases of 491921127040876952289

• Binary: 110101010101011000110111010101011101111011101010001100011101011100001₂
• Hexadecimal: 0x1AAAC6EABBDD463AE1
• Base-36: 2VTDWE3XP87JKX

Squares and roots of 491921127040876952289

• 491921127040876952289 squared (491921127040876952289²) is 241986395229166601878331144634437182339521
• 491921127040876952289 cubed (491921127040876952289³) is 119038220269690724399118713953985141729326314009027193316113569
• The square root of 491921127040876952289 is 22179295007.7516429677
• The cube root of 491921127040876952289 is 7894024.8951540495

Scales and comparisons

• 491,921,127,040,876,952,289 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 491,921,127,040,876,952,289 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and 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 491921127040876952289 cubic inches would be around 657835.4 feet tall.

Recreational maths with 491921127040876952289

• 491921127040876952289 backwards is 982259678040721129194
• The number of decimal digits it has is: 21
• The sum of 491921127040876952289's digits is 96
• More coming soon!