77468145561

Names of 77468145561

• Cardinal: 77468145561 can be written as Seventy-seven billion, four hundred sixty-eight million, one hundred forty-five thousand, five hundred sixty-one.

Scientific notation

• Scientific notation: 7.7468145561 × 10¹⁰

Factors of 77468145561

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 279

Divisors of 77468145561

• Number of divisors d(n): 45
• Complete list of divisors:
  1 3 9 19 57 171 257 361 771 1083 2313 3249 4883 6859 14649 20577 43947 61731 66049 92777 130321 198147 278331 390963 594441 834993 1172889 1254931 1762763 3764793 5288289 11294379 15864867 23843689 33492497 71531067 100477491 214593201 301432473 453030091 1359090273 4077270819 8607571729 25822715187 77468145561
• Sum of all divisors σ(n): 118576343951
• Sum of proper divisors (its aliquot sum) s(n): 41108198390
• 77468145561 is a deficient number, because the sum of its proper divisors (41108198390) is less than itself. Its deficiency is 36359947171

Bases of 77468145561

• Binary: 1001000001001011101100001011110011001₂
• Hexadecimal: 0x1209761799
• Base-36: ZL6J7O9

Squares and roots of 77468145561

• 77468145561 squared (77468145561²) is 6001313576660284004721
• 77468145561 cubed (77468145561³) is 464910633713924413525326439193481
• 77468145561 is a perfect square number. Its square root is 278331
• The cube root of 77468145561 is 4262.9252752339

Scales and comparisons

• 77,468,145,561 seconds is equal to 2,463 years, 12 weeks, 6 days, 1 hour, 19 minutes, 21 seconds.
• To count from 1 to 77,468,145,561 would take you about four thousand, nine hundred twenty-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 77468145561 cubic inches would be around 355.2 feet tall.

Recreational maths with 77468145561

• 77468145561 backwards is 16554186477
• The number of decimal digits it has is: 11
• The sum of 77468145561's digits is 54
• More coming soon!