68013678400

Names of 68013678400

• Cardinal: 68013678400 can be written as Sixty-eight billion, thirteen million, six hundred seventy-eight thousand, four hundred.

Scientific notation

• Scientific notation: 6.80136784 × 10¹⁰

Factors of 68013678400

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 356

Divisors of 68013678400

• Number of divisors d(n): 84
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 160 200 320 349 400 698 800 1396 1600 1745 2792 3490 5584 6980 8725 11168 13960 17450 22336 27920 34900 55840 69800 111680 121801 139600 243602 279200 487204 558400 609005 974408 1218010 1948816 2436020 3045025 3897632 4872040 6090050 7795264 9744080 12180100 19488160 24360200 38976320 42508549 48720400 85017098 97440800 170034196 194881600 212542745 340068392 425085490 680136784 850170980 1062713725 1360273568 1700341960 2125427450 2720547136 3400683920 4250854900 6801367840 8501709800 13602735680 17003419600 34006839200 68013678400
• Sum of all divisors σ(n): 167837065900
• Sum of proper divisors (its aliquot sum) s(n): 99823387500
• 68013678400 is an abundant number, because the sum of its proper divisors (99823387500) is greater than itself. Its abundance is 31809709100

Bases of 68013678400

• Binary: 111111010101111011100101111101000000₂
• Hexadecimal: 0xFD5EE5F40
• Base-36: V8TL64G

Squares and roots of 68013678400

• 68013678400 squared (68013678400²) is 4625860449498626560000
• 68013678400 cubed (68013678400³) is 314621784935479028093538304000000
• The square root of 68013678400 is 260794.3220240809
• The cube root of 68013678400 is 4081.9287625451

Scales and comparisons

• 68,013,678,400 seconds is equal to 2,162 years, 32 weeks, 3 days, 8 hours, 26 minutes, 40 seconds.
• To count from 1 to 68,013,678,400 would take you about four thousand, three 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 68013678400 cubic inches would be around 340.2 feet tall.

Recreational maths with 68013678400

• 68013678400 backwards is 00487631086
• The number of decimal digits it has is: 11
• The sum of 68013678400's digits is 43
• More coming soon!