68368146

Names of 68368146

• Cardinal: 68368146 can be written as Sixty-eight million, three hundred sixty-eight thousand, one hundred forty-six.

Scientific notation

• Scientific notation: 6.8368146 × 10⁷

Factors of 68368146

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1246

Divisors of 68368146

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 7 11 14 21 22 33 42 66 77 121 154 231 242 363 462 726 847 1223 1331 1694 2446 2541 2662 3669 3993 5082 7338 7986 8561 9317 13453 17122 18634 25683 26906 27951 40359 51366 55902 80718 94171 147983 188342 282513 295966 443949 565026 887898 1035881 1627813 2071762 3107643 3255626 4883439 6215286 9766878 11394691 22789382 34184073 68368146
• Sum of all divisors σ(n): 172025856
• Sum of proper divisors (its aliquot sum) s(n): 103657710
• 68368146 is an abundant number, because the sum of its proper divisors (103657710) is greater than itself. Its abundance is 35289564

Bases of 68368146

• Binary: 100000100110011011100010010₂
• Hexadecimal: 0x4133712
• Base-36: 14PD76

Squares and roots of 68368146

• 68368146 squared (68368146²) is 4674203387477316
• 68368146 cubed (68368146³) is 319566619628743711976136
• The square root of 68368146 is 8268.5032502865
• The cube root of 68368146 is 408.9007755823

Scales and comparisons

• 68,368,146 seconds is equal to 2 years, 9 weeks, 7 hours, 9 minutes, 6 seconds.
• To count from 1 to 68,368,146 would take you about three 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 68368146 cubic inches would be around 34.1 feet tall.

Recreational maths with 68368146

• 68368146 backwards is 64186386
• 68368146 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 68368146's digits is 42
• More coming soon!