1378400690769805

Names of 1378400690769805

• Cardinal: 1378400690769805 can be written as One quadrillion, three hundred seventy-eight trillion, four hundred billion, six hundred ninety million, seven hundred sixty-nine thousand, eight hundred five.

Scientific notation

• Scientific notation: 1.378400690769805 × 10¹⁵

Factors of 1378400690769805

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 137229

Divisors of 1378400690769805

• Number of divisors d(n): 32
• Complete list of divisors:
  1 5 167 835 2861 4447 14305 22235 129749 477787 648745 742649 2388935 3713245 12722867 21668083 63614335 108340415 371211889 576993803 1856059445 2124718789 2884969015 10623593945 61992385463 96357965101 309961927315 481789825505 1650779270383 8253896351915 275680138153961 1378400690769805
• Sum of all divisors σ(n): 1664954258688000
• Sum of proper divisors (its aliquot sum) s(n): 286553567918195
• 1378400690769805 is a deficient number, because the sum of its proper divisors (286553567918195) is less than itself. Its deficiency is 1091847122851610

Bases of 1378400690769805

• Binary: 100111001011010010111101011100010000000111110001101₂
• Hexadecimal: 0x4E5A5EB880F8D
• Base-36: DKLOJA16Z1

Squares and roots of 1378400690769805

• 1378400690769805 squared (1378400690769805²) is 1899988464314675586923499738025
• 1378400690769805 cubed (1378400690769805³) is 2618945411666009825913265856300123953080335125
• The square root of 1378400690769805 is 37126819.0230432345
• The cube root of 1378400690769805 is 111290.6026139293

Scales and comparisons

• 1,378,400,690,769,805 seconds is equal to 43,828,878 years, 15 weeks, 1 day, 17 hours, 23 minutes, 25 seconds.
• To count from 1 to 1,378,400,690,769,805 would take you about one hundred thirty-one million, four hundred eighty-six thousand, six hundred thirty-four 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 1378400690769805 cubic inches would be around 9274.2 feet tall.

Recreational maths with 1378400690769805

• 1378400690769805 backwards is 5089670960048731
• The number of decimal digits it has is: 16
• The sum of 1378400690769805's digits is 73
• More coming soon!