13688778222

Names of 13688778222

• Cardinal: 13688778222 can be written as Thirteen billion, six hundred eighty-eight million, seven hundred seventy-eight thousand, two hundred twenty-two.

Scientific notation

• Scientific notation: 1.3688778222 × 10¹⁰

Factors of 13688778222

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 12071245

Divisors of 13688778222

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 27 42 54 63 81 126 162 189 378 567 1134 12071233 24142466 36213699 72427398 84498631 108641097 168997262 217282194 253495893 325923291 506991786 651846582 760487679 977769873 1520975358 1955539746 2281463037 4562926074 6844389111 13688778222
• Sum of all divisors σ(n): 35054863536
• Sum of proper divisors (its aliquot sum) s(n): 21366085314
• 13688778222 is an abundant number, because the sum of its proper divisors (21366085314) is greater than itself. Its abundance is 7677307092

Bases of 13688778222

• Binary: 1100101111111010100010110111101110₂
• Hexadecimal: 0x32FEA2DEE
• Base-36: 6ADY0VI

Squares and roots of 13688778222

• 13688778222 squared (13688778222²) is 187382649211101481284
• 13688778222 cubed (13688778222³) is 2565039527701591437632359797048
• The square root of 13688778222 is 116999.0522269301
• The cube root of 13688778222 is 2392.1490111185

Scales and comparisons

• 13,688,778,222 seconds is equal to 435 years, 13 weeks, 3 days, 22 hours, 23 minutes, 42 seconds.
• To count from 1 to 13,688,778,222 would take you about eight hundred seventy 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 13688778222 cubic inches would be around 199.3 feet tall.

Recreational maths with 13688778222

• 13688778222 backwards is 22287788631
• 13688778222 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 13688778222's digits is 54
• More coming soon!