13195309906805

Names of 13195309906805

• Cardinal: 13195309906805 can be written as Thirteen trillion, one hundred ninety-five billion, three hundred nine million, nine hundred six thousand, eight hundred five.

Scientific notation

• Scientific notation: 1.3195309906805 × 10¹³

Factors of 13195309906805

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 6614

Divisors of 13195309906805

• Number of divisors d(n): 54
• Complete list of divisors:
  1 5 13 19 65 95 169 247 361 845 1235 1805 3211 4693 6577 16055 23465 32885 61009 85501 124963 305045 427505 624815 1111513 1624519 2374297 5557565 8122595 11871485 21118747 30865861 43256929 105593735 154329305 216284645 401256193 562340077 821881651 2006280965 2811700385 4109408255 7310421001 10684461463 15615751369 36552105005 53422307315 78078756845 138897999019 203004767797 694489995095 1015023838985 2639061981361 13195309906805
• Sum of all divisors σ(n): 18098768991366
• Sum of proper divisors (its aliquot sum) s(n): 4903459084561
• 13195309906805 is a deficient number, because the sum of its proper divisors (4903459084561) is less than itself. Its deficiency is 8291850822244

Bases of 13195309906805

• Binary: 11000000000001000101110000100111101101110101₂
• Hexadecimal: 0xC0045C27B75
• Base-36: 4ODUATQ45

Squares and roots of 13195309906805

• 13195309906805 squared (13195309906805²) is 174116203536626177785308025
• 13195309906805 cubed (13195309906805³) is 2297517265462119181396376196660968610125
• The square root of 13195309906805 is 3632534.9147399809
• The cube root of 13195309906805 is 23630.5156260089

Scales and comparisons

• 13,195,309,906,805 seconds is equal to 419,570 years, 2 weeks, 7 hours, 5 seconds.
• To count from 1 to 13,195,309,906,805 would take you about one million, forty-eight thousand, nine hundred twenty-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 13195309906805 cubic inches would be around 1969.2 feet tall.

Recreational maths with 13195309906805

• 13195309906805 backwards is 50860990359131
• The number of decimal digits it has is: 14
• The sum of 13195309906805's digits is 59
• More coming soon!