68013008

Names of 68013008

• Cardinal: 68013008 can be written as Sixty-eight million, thirteen thousand and eight.

Scientific notation

• Scientific notation: 6.8013008 × 10⁷

Factors of 68013008

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1090

Divisors of 68013008

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 7 8 14 16 19 28 31 38 56 62 76 112 124 133 152 217 248 266 304 434 496 532 589 868 1031 1064 1178 1736 2062 2128 2356 3472 4123 4124 4712 7217 8246 8248 9424 14434 16492 16496 19589 28868 31961 32984 39178 57736 63922 65968 78356 115472 127844 137123 156712 223727 255688 274246 313424 447454 511376 548492 607259 894908 1096984 1214518 1789816 2193968 2429036 3579632 4250813 4858072 8501626 9716144 17003252 34006504 68013008
• Sum of all divisors σ(n): 163799040
• Sum of proper divisors (its aliquot sum) s(n): 95786032
• 68013008 is an abundant number, because the sum of its proper divisors (95786032) is greater than itself. Its abundance is 27773024

Bases of 68013008

• Binary: 100000011011100101111010000₂
• Hexadecimal: 0x40DCBD0
• Base-36: 14HR68

Squares and roots of 68013008

• 68013008 squared (68013008²) is 4625769257208064
• 68013008 cubed (68013008³) is 314612481496646114496512
• The square root of 68013008 is 8246.9999393719
• The cube root of 68013008 is 408.1915350861

Scales and comparisons

• 68,013,008 seconds is equal to 2 years, 8 weeks, 3 days, 4 hours, 30 minutes, 8 seconds.
• To count from 1 to 68,013,008 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 68013008 cubic inches would be around 34 feet tall.

Recreational maths with 68013008

• 68013008 backwards is 80031086
• The number of decimal digits it has is: 8
• The sum of 68013008's digits is 26
• More coming soon!