40868685

Names of 40868685

• Cardinal: 40868685 can be written as Forty million, eight hundred sixty-eight thousand, six hundred eighty-five.

Scientific notation

• Scientific notation: 4.0868685 × 10⁷

Factors of 40868685

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 134

Divisors of 40868685

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 5 9 11 13 15 27 29 33 39 45 55 65 73 87 99 117 135 143 145 165 195 219 261 297 319 351 365 377 429 435 495 585 657 715 783 803 949 957 1095 1131 1287 1305 1485 1595 1755 1885 1971 2117 2145 2409 2847 2871 3285 3393 3861 3915 4015 4147 4745 4785 5655 6351 6435 7227 8541 8613 9855 10179 10439 10585 12045 12441 14235 14355 16965 19053 19305 20735 21681 23287 25623 27521 31317 31755 36135 37323 42705 43065 50895 52195 57159 62205 69861 82563 93951 95265 108405 111969 116435 128115 137605 156585 186615 209583 247689 281853 285795 302731 349305 412815 469755 559845 628749 743067 908193 1047915 1238445 1409265 1513655 2724579 3143745 3715335 4540965 8173737 13622895 40868685
• Sum of all divisors σ(n): 89510400
• Sum of proper divisors (its aliquot sum) s(n): 48641715
• 40868685 is an abundant number, because the sum of its proper divisors (48641715) is greater than itself. Its abundance is 7773030

Bases of 40868685

• Binary: 10011011111001101101001101₂
• Hexadecimal: 0x26F9B4D
• Base-36: OBYH9

Squares and roots of 40868685

• 40868685 squared (40868685²) is 1670249413629225
• 40868685 cubed (40868685³) is 68260897157047503319125
• The square root of 40868685 is 6392.8620351139
• The cube root of 40868685 is 344.4531980857

Scales and comparisons

• 40,868,685 seconds is equal to 1 year, 15 weeks, 4 days, 24 minutes, 45 seconds.
• To count from 1 to 40,868,685 would take you about forty-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 40868685 cubic inches would be around 28.7 feet tall.

Recreational maths with 40868685

• 40868685 backwards is 58686804
• 40868685 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 40868685's digits is 45
• More coming soon!