68121522

Names of 68121522

• Cardinal: 68121522 can be written as Sixty-eight million, one hundred twenty-one thousand, five hundred twenty-two.

Scientific notation

• Scientific notation: 6.8121522 × 10⁷

Factors of 68121522

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 325

Divisors of 68121522

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 29 42 58 63 87 103 126 174 181 203 206 261 309 362 406 522 543 609 618 721 927 1086 1218 1267 1442 1629 1827 1854 2163 2534 2987 3258 3654 3801 4326 5249 5974 6489 7602 8961 10498 11403 12978 15747 17922 18643 20909 22806 26883 31494 36743 37286 41818 47241 53766 55929 62727 73486 94482 110229 111858 125454 130501 167787 188181 220458 261002 330687 335574 376362 391503 540647 661374 783006 1081294 1174509 1621941 2349018 3243882 3784529 4865823 7569058 9731646 11353587 22707174 34060761 68121522
• Sum of all divisors σ(n): 177166080
• Sum of proper divisors (its aliquot sum) s(n): 109044558
• 68121522 is an abundant number, because the sum of its proper divisors (109044558) is greater than itself. Its abundance is 40923036

Bases of 68121522

• Binary: 100000011110111001110110010₂
• Hexadecimal: 0x40F73B2
• Base-36: 14K2WI

Squares and roots of 68121522

• 68121522 squared (68121522²) is 4640541759596484
• 68121522 cubed (68121522³) is 316120767568270595928648
• The square root of 68121522 is 8253.5763157555
• The cube root of 68121522 is 408.4085080901

Scales and comparisons

• 68,121,522 seconds is equal to 2 years, 8 weeks, 4 days, 10 hours, 38 minutes, 42 seconds.
• To count from 1 to 68,121,522 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 68121522 cubic inches would be around 34 feet tall.

Recreational maths with 68121522

• 68121522 backwards is 22512186
• The number of decimal digits it has is: 8
• The sum of 68121522's digits is 27
• More coming soon!