40068912

Names of 40068912

• Cardinal: 40068912 can be written as Forty million, sixty-eight thousand, nine hundred twelve.

Scientific notation

• Scientific notation: 4.0068912 × 10⁷

Factors of 40068912

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 584

Divisors of 40068912

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 24 26 39 48 52 78 104 156 157 208 312 314 409 471 624 628 818 942 1227 1256 1636 1884 2041 2454 2512 3272 3768 4082 4908 5317 6123 6544 7536 8164 9816 10634 12246 15951 16328 19632 21268 24492 31902 32656 42536 48984 63804 64213 85072 97968 127608 128426 192639 255216 256852 385278 513704 770556 834769 1027408 1541112 1669538 2504307 3082224 3339076 5008614 6678152 10017228 13356304 20034456 40068912
• Sum of all divisors σ(n): 112458080
• Sum of proper divisors (its aliquot sum) s(n): 72389168
• 40068912 is an abundant number, because the sum of its proper divisors (72389168) is greater than itself. Its abundance is 32320256

Bases of 40068912

• Binary: 10011000110110011100110000₂
• Hexadecimal: 0x2636730
• Base-36: NUTDC

Squares and roots of 40068912

• 40068912 squared (40068912²) is 1605517708863744
• 40068912 cubed (40068912³) is 64331347790902978326528
• The square root of 40068912 is 6330.0009478673
• The cube root of 40068912 is 342.1914730965

Scales and comparisons

• 40,068,912 seconds is equal to 1 year, 14 weeks, 1 day, 18 hours, 15 minutes, 12 seconds.
• To count from 1 to 40,068,912 would take you about forty-seven 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 40068912 cubic inches would be around 28.5 feet tall.

Recreational maths with 40068912

• 40068912 backwards is 21986004
• The number of decimal digits it has is: 8
• The sum of 40068912's digits is 30
• More coming soon!