42981931539354561

Names of 42981931539354561

• Cardinal: 42981931539354561 can be written as Forty-two quadrillion, nine hundred eighty-one trillion, nine hundred thirty-one billion, five hundred thirty-nine million, three hundred fifty-four thousand, five hundred sixty-one.

Scientific notation

• Scientific notation: 4.2981931539354561 × 10¹⁶

Factors of 42981931539354561

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 890240

Divisors of 42981931539354561

• Number of divisors d(n): 36
• Complete list of divisors:
  1 3 13 39 107 169 321 507 1391 4173 18083 54249 890117 2670351 11571521 34714563 95242519 150429773 285727557 451289319 1238152747 3714458241 16095985711 48287957133 792308273689 2376924821067 10300007557957 30900022673871 84776985284723 133900098253441 254330955854169 401700294760323 1102100808701399 3306302426104197 14327310513118187 42981931539354561
• Sum of all divisors σ(n): 62636793253926192
• Sum of proper divisors (its aliquot sum) s(n): 19654861714571631
• 42981931539354561 is a deficient number, because the sum of its proper divisors (19654861714571631) is less than itself. Its deficiency is 23327069824782930

Bases of 42981931539354561

• Binary: 10011000101100111101011011001001001010011101001111000001₂
• Hexadecimal: 0x98B3D6C929D3C1
• Base-36: BR7TMR9Y20X

Squares and roots of 42981931539354561

• 42981931539354561 squared (42981931539354561²) is 1847446438853762341777924471502721
• 42981931539354561 cubed (42981931539354561³) is 79406816357436795063681498005305833152758095260481
• The square root of 42981931539354561 is 207320842.0283753357
• The cube root of 42981931539354561 is 350290.7286136005

Scales and comparisons

• 42,981,931,539,354,561 seconds is equal to 1,366,692,471 years, 5 weeks, 4 days, 6 hours, 29 minutes, 21 seconds.
• To count from 1 to 42,981,931,539,354,561 would take you about four billion, one hundred million, seventy-seven thousand, four hundred thirteen 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 42981931539354561 cubic inches would be around 29190.9 feet tall.

Recreational maths with 42981931539354561

• 42981931539354561 backwards is 16545393513918924
• The number of decimal digits it has is: 17
• The sum of 42981931539354561's digits is 78
• More coming soon!