489942055909755721

Names of 489942055909755721

• Cardinal: 489942055909755721 can be written as Four hundred eighty-nine quadrillion, nine hundred forty-two trillion, fifty-five billion, nine hundred nine million, seven hundred fifty-five thousand, seven hundred twenty-one.

Scientific notation

• Scientific notation: 4.89942055909755721 × 10¹⁷

Factors of 489942055909755721

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 99623426870

Divisors of 489942055909755721

• Number of divisors d(n): 4
• Complete list of divisors:
  1 4918183 99618508687 489942055909755721
• Sum of all divisors σ(n): 489942155533182592
• Sum of proper divisors (its aliquot sum) s(n): 99623426871
• 489942055909755721 is a deficient number, because the sum of its proper divisors (99623426871) is less than itself. Its deficiency is 489941956286328850

Bases of 489942055909755721

• Binary: 11011001100100111111011010000111011000001101000101101001001₂
• Hexadecimal: 0x6CC9FB43B068B49
• Base-36: 3Q05YP9RNIA1

Squares and roots of 489942055909755721

• 489942055909755721 squared (489942055909755721²) is 240043218149078200817148781892229841
• 489942055909755721 cubed (489942055909755721³) is 117607267807153361062431477510813856066500558296670361
• The square root of 489942055909755721 is 699958610.1404537481
• The cube root of 489942055909755721 is 788342.4391765385

Scales and comparisons

• 489,942,055,909,755,721 seconds is equal to 15,578,641,887 years, 33 weeks, 4 days, 15 hours, 42 minutes, 1 second.
• To count from 1 to 489,942,055,909,755,721 would take you about forty-six billion, seven hundred thirty-five million, nine hundred twenty-five thousand, six hundred sixty-two 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 489942055909755721 cubic inches would be around 65695.2 feet tall.

Recreational maths with 489942055909755721

• 489942055909755721 backwards is 127557909550249984
• The number of decimal digits it has is: 18
• The sum of 489942055909755721's digits is 91
• More coming soon!