68168142

Names of 68168142

• Cardinal: 68168142 can be written as Sixty-eight million, one hundred sixty-eight thousand, one hundred forty-two.

Scientific notation

• Scientific notation: 6.8168142 × 10⁷

Factors of 68168142

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1338

Divisors of 68168142

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 27 42 47 54 63 81 94 126 141 162 189 282 329 378 423 567 658 846 987 1134 1269 1279 1974 2538 2558 2961 3807 3837 5922 7614 7674 8883 8953 11511 17766 17906 23022 26649 26859 34533 53298 53718 60113 69066 80577 103599 120226 161154 180339 207198 241731 360678 420791 483462 541017 725193 841582 1082034 1262373 1450386 1623051 2524746 3246102 3787119 4869153 7574238 9738306 11361357 22722714 34084071 68168142
• Sum of all divisors σ(n): 178421760
• Sum of proper divisors (its aliquot sum) s(n): 110253618
• 68168142 is an abundant number, because the sum of its proper divisors (110253618) is greater than itself. Its abundance is 42085476

Bases of 68168142

• Binary: 100000100000010100111001110₂
• Hexadecimal: 0x41029CE
• Base-36: 14L2VI

Squares and roots of 68168142

• 68168142 squared (68168142²) is 4646895583732164
• 68168142 cubed (68168142³) is 316770238011027045519288
• The square root of 68168142 is 8256.4000629815
• The cube root of 68168142 is 408.5016537035

Scales and comparisons

• 68,168,142 seconds is equal to 2 years, 8 weeks, 4 days, 23 hours, 35 minutes, 42 seconds.
• To count from 1 to 68,168,142 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 68168142 cubic inches would be around 34 feet tall.

Recreational maths with 68168142

• 68168142 backwards is 24186186
• The number of decimal digits it has is: 8
• The sum of 68168142's digits is 36
• More coming soon!