400785121749998241

Names of 400785121749998241

• Cardinal: 400785121749998241 can be written as Four hundred quadrillion, seven hundred eighty-five trillion, one hundred twenty-one billion, seven hundred forty-nine million, nine hundred ninety-eight thousand, two hundred forty-one.

Scientific notation

• Scientific notation: 4.00785121749998241 × 10¹⁷

Factors of 400785121749998241

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 8390

Divisors of 400785121749998241

• Number of divisors d(n): 15
• Complete list of divisors:
  1 3 9 27 81 8387 25161 75483 226449 679347 70341769 211025307 633075921 1899227763 5697683289
• Sum of all divisors σ(n): 400785124564683949
• Sum of proper divisors (its aliquot sum) s(n): 2814685708
• 400785121749998241 is a deficient number, because the sum of its proper divisors (2814685708) is less than itself. Its deficiency is 400785118935312533

Bases of 400785121749998241

• Binary: 10110001111110111111111000111011101001010111001101010100001₂
• Hexadecimal: 0x58FDFF1DD2B9AA1
• Base-36: 31MAGV5GR929

Squares and roots of 400785121749998241

• 400785121749998241 squared (400785121749998241²) is 160628713816160913100441683503094081
• 400785121749998241 cubed (400785121749998241³) is 64377598623355676128644087474516384078368079807511521
• 400785121749998241 is a perfect square number. Its square root is 633075921
• The cube root of 400785121749998241 is 737288.0535454679

Scales and comparisons

• 400,785,121,749,998,241 seconds is equal to 12,743,727,161 years, 45 weeks, 2 days, 6 hours, 37 minutes, 21 seconds.
• To count from 1 to 400,785,121,749,998,241 would take you about thirty-eight billion, two hundred thirty-one million, one hundred eighty-one thousand, four hundred eighty-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 400785121749998241 cubic inches would be around 61440.7 feet tall.

Recreational maths with 400785121749998241

• 400785121749998241 backwards is 142899947121587004
• 400785121749998241 is a Harshad number.
• The number of decimal digits it has is: 18
• The sum of 400785121749998241's digits is 81
• More coming soon!