68221335

Names of 68221335

• Cardinal: 68221335 can be written as Sixty-eight million, two hundred twenty-one thousand, three hundred thirty-five.

Scientific notation

• Scientific notation: 6.8221335 × 10⁷

Factors of 68221335

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 145

Divisors of 68221335

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 5 7 13 15 21 23 35 39 41 53 65 69 91 105 115 123 159 161 195 205 265 273 287 299 345 371 455 483 533 615 689 795 805 861 897 943 1113 1219 1365 1435 1495 1599 1855 2067 2093 2173 2415 2665 2829 3445 3657 3731 4305 4485 4715 4823 5565 6095 6279 6519 6601 7995 8533 10335 10465 10865 11193 12259 14145 14469 15211 15847 18285 18655 19803 24115 25599 28249 31395 32595 33005 36777 42665 45633 47541 49979 55965 61295 72345 76055 79235 84747 85813 99015 110929 127995 141245 149937 183885 197743 228165 237705 249895 257439 332787 349853 423735 429065 554645 593229 649727 749685 988715 1049559 1287195 1663935 1749265 1949181 2966145 3248635 4548089 5247795 9745905 13644267 22740445 68221335
• Sum of all divisors σ(n): 146313216
• Sum of proper divisors (its aliquot sum) s(n): 78091881
• 68221335 is an abundant number, because the sum of its proper divisors (78091881) is greater than itself. Its abundance is 9870546

Bases of 68221335

• Binary: 100000100001111100110010111₂
• Hexadecimal: 0x410F997
• Base-36: 14M7X3

Squares and roots of 68221335

• 68221335 squared (68221335²) is 4654150549182225
• 68221335 cubed (68221335³) is 317512363756194547770375
• The square root of 68221335 is 8259.6207540055
• The cube root of 68221335 is 408.6078801523

Scales and comparisons

• 68,221,335 seconds is equal to 2 years, 8 weeks, 5 days, 14 hours, 22 minutes, 15 seconds.
• To count from 1 to 68,221,335 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 68221335 cubic inches would be around 34.1 feet tall.

Recreational maths with 68221335

• 68221335 backwards is 53312286
• The number of decimal digits it has is: 8
• The sum of 68221335's digits is 30
• More coming soon!