3965220

Names of 3965220

• Cardinal: 3965220 can be written as Three million, nine hundred sixty-five thousand, two hundred twenty.

Scientific notation

• Scientific notation: 3.96522 × 10⁶

Factors of 3965220

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1066

Divisors of 3965220

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 27 28 30 35 36 42 45 54 60 63 70 84 90 105 108 126 135 140 180 189 210 252 270 315 378 420 540 630 756 945 1049 1260 1890 2098 3147 3780 4196 5245 6294 7343 9441 10490 12588 14686 15735 18882 20980 22029 28323 29372 31470 36715 37764 44058 47205 56646 62940 66087 73430 88116 94410 110145 113292 132174 141615 146860 188820 198261 220290 264348 283230 330435 396522 440580 566460 660870 793044 991305 1321740 1982610 3965220
• Sum of all divisors σ(n): 14112000
• Sum of proper divisors (its aliquot sum) s(n): 10146780
• 3965220 is an abundant number, because the sum of its proper divisors (10146780) is greater than itself. Its abundance is 6181560

Bases of 3965220

• Binary: 1111001000000100100100₂
• Hexadecimal: 0x3C8124
• Base-36: 2CZL0

Squares and roots of 3965220

• 3965220 squared (3965220²) is 15722969648400
• 3965220 cubed (3965220³) is 62345033709228648000
• The square root of 3965220 is 1991.2860166235
• The cube root of 3965220 is 158.2786835095

Scales and comparisons

• 3,965,220 seconds is equal to 6 weeks, 3 days, 21 hours, 27 minutes.
• To count from 1 to 3,965,220 would take you about nine weeks!

  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 3965220 cubic inches would be around 13.2 feet tall.

Recreational maths with 3965220

• 3965220 backwards is 0225693
• 3965220 is a Harshad number.
• The number of decimal digits it has is: 7
• The sum of 3965220's digits is 27
• More coming soon!