40909917857572009

Names of 40909917857572009

• Cardinal: 40909917857572009 can be written as Forty quadrillion, nine hundred nine trillion, nine hundred seventeen billion, eight hundred fifty-seven million, five hundred seventy-two thousand and nine.

Scientific notation

• Scientific notation: 4.0909917857572009 × 10¹⁶

Factors of 40909917857572009

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 587

Divisors of 40909917857572009

• Number of divisors d(n): 7
• Complete list of divisors:
  1 587 344569 202262003 118727795761 69693216111707 40909917857572009
• Sum of all divisors σ(n): 40979730004086637
• Sum of proper divisors (its aliquot sum) s(n): 69812146514628
• 40909917857572009 is a deficient number, because the sum of its proper divisors (69812146514628) is less than itself. Its deficiency is 40840105711057381

Bases of 40909917857572009

• Binary: 10010001010101110101101010000001101100001110010010101001₂
• Hexadecimal: 0x91575A81B0E4A9
• Base-36: B6TCST9MCA1

Squares and roots of 40909917857572009

• 40909917857572009 squared (40909917857572009²) is 1673621379113289154856256620296081
• 40909917857572009 cubed (40909917857572009³) is 68467713144201041313703624395005285222137357996729
• 40909917857572009 is a perfect square number. Its square root is 202262003
• 40909917857572009 is a perfect cube number. Its cube root is 344569
• Being both a perfect square and a perfect cube, 40909917857572009 is also a perfect sixth number.

Scales and comparisons

• 40,909,917,857,572,009 seconds is equal to 1,300,808,845 years, 9 weeks, 4 days, 19 hours, 46 minutes, 49 seconds.
• To count from 1 to 40,909,917,857,572,009 would take you about three billion, nine hundred two million, four hundred twenty-six thousand, five hundred thirty-five 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 40909917857572009 cubic inches would be around 28714.1 feet tall.

Recreational maths with 40909917857572009

• 40909917857572009 backwards is 90027575871990904
• The number of decimal digits it has is: 17
• The sum of 40909917857572009's digits is 82
• More coming soon!