13401640685

Names of 13401640685

• Cardinal: 13401640685 can be written as Thirteen billion, four hundred one million, six hundred forty thousand, six hundred eighty-five.

Scientific notation

• Scientific notation: 1.3401640685 × 10¹⁰

Factors of 13401640685

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 153

Divisors of 13401640685

• Number of divisors d(n): 72
• Complete list of divisors:
  1 5 17 37 41 53 85 185 205 265 629 697 901 1369 1517 1961 2173 2809 3145 3485 4505 6845 7585 9805 10865 14045 23273 25789 33337 36941 47753 56129 72557 80401 103933 115169 116365 128945 166685 184705 238765 280645 362785 402005 519665 575845 954193 1233469 1366817 1766861 1957873 2974837 3845521 4261253 4770965 6167345 6834085 8834305 9789365 14874185 19227605 21306265 50572229 65373857 72441301 157666361 252861145 326869285 362206505 788331805 2680328137 13401640685
• Sum of all divisors σ(n): 18272101176
• Sum of proper divisors (its aliquot sum) s(n): 4870460491
• 13401640685 is a deficient number, because the sum of its proper divisors (4870460491) is less than itself. Its deficiency is 8531180194

Bases of 13401640685

• Binary: 1100011110110011001100111011101101₂
• Hexadecimal: 0x31ECCCEED
• Base-36: 65MZO4T

Squares and roots of 13401640685

• 13401640685 squared (13401640685²) is 179603973049847269225
• 13401640685 cubed (13401640685³) is 2406987912412476696281908419125
• The square root of 13401640685 is 115765.4554908329
• The cube root of 13401640685 is 2375.3046736005

Scales and comparisons

• 13,401,640,685 seconds is equal to 426 years, 6 weeks, 5 days, 13 hours, 58 minutes, 5 seconds.
• To count from 1 to 13,401,640,685 would take you about eight hundred fifty-two 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 13401640685 cubic inches would be around 197.9 feet tall.

Recreational maths with 13401640685

• 13401640685 backwards is 58604610431
• The number of decimal digits it has is: 11
• The sum of 13401640685's digits is 38
• More coming soon!