13898726865123213

Names of 13898726865123213

• Cardinal: 13898726865123213 can be written as Thirteen quadrillion, eight hundred ninety-eight trillion, seven hundred twenty-six billion, eight hundred sixty-five million, one hundred twenty-three thousand, two hundred thirteen.

Scientific notation

• Scientific notation: 1.3898726865123213 × 10¹⁶

Factors of 13898726865123213

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 5606772

Divisors of 13898726865123213

• Number of divisors d(n): 16
• Complete list of divisors:
  1 3 1621 4863 567319 1701957 5037829 15113487 919624099 2758872297 8166320809 24498962427 2858056110451 8574168331353 4632908955041071 13898726865123213
• Sum of all divisors σ(n): 18543104410812800
• Sum of proper divisors (its aliquot sum) s(n): 4644377545689587
• 13898726865123213 is a deficient number, because the sum of its proper divisors (4644377545689587) is less than itself. Its deficiency is 9254349319433626

Bases of 13898726865123213

• Binary: 110001011000001101000110000101101000000011011110001101₂
• Hexadecimal: 0x3160D185A0378D
• Base-36: 3SUOQZ501AL

Squares and roots of 13898726865123213

• 13898726865123213 squared (13898726865123213²) is 193174608471297735891449671443369
• 13898726865123213 cubed (13898726865123213³) is 2684881120419684046281740280217769234775736824597
• The square root of 13898726865123213 is 117892861.8073342599
• The cube root of 13898726865123213 is 240431.6702572581

Scales and comparisons

• 13,898,726,865,123,213 seconds is equal to 441,936,522 years, 37 weeks, 5 days, 6 hours, 13 minutes, 33 seconds.
• To count from 1 to 13,898,726,865,123,213 would take you about one billion, three hundred twenty-five million, eight hundred nine thousand, five hundred sixty-eight 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 13898726865123213 cubic inches would be around 20036 feet tall.

Recreational maths with 13898726865123213

• 13898726865123213 backwards is 31232156862789831
• The number of decimal digits it has is: 17
• The sum of 13898726865123213's digits is 75
• More coming soon!