40208085

Names of 40208085

• Cardinal: 40208085 can be written as Forty million, two hundred eight thousand and eighty-five.

Scientific notation

• Scientific notation: 4.0208085 × 10⁷

Factors of 40208085

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 136

Divisors of 40208085

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 5 9 15 19 31 37 41 45 57 93 95 111 123 155 171 185 205 279 285 333 369 465 555 589 615 703 779 855 1147 1271 1395 1517 1665 1767 1845 2109 2337 2945 3441 3515 3813 3895 4551 5301 5735 6327 6355 7011 7585 8835 10323 10545 11439 11685 13653 17205 19065 21793 22755 24149 26505 28823 31635 35055 47027 51615 57195 65379 68265 72447 86469 108965 120745 141081 144115 196137 217341 235135 259407 326895 362235 423243 432345 705405 893513 980685 1086705 1297035 2116215 2680539 4467565 8041617 13402695 40208085
• Sum of all divisors σ(n): 79672320
• Sum of proper divisors (its aliquot sum) s(n): 39464235
• 40208085 is a deficient number, because the sum of its proper divisors (39464235) is less than itself. Its deficiency is 743850

Bases of 40208085

• Binary: 10011001011000011011010101₂
• Hexadecimal: 0x26586D5
• Base-36: NXSR9

Squares and roots of 40208085

• 40208085 squared (40208085²) is 1616690099367225
• 40208085 cubed (40208085³) is 65004012934015829014125
• The square root of 40208085 is 6340.9845450057
• The cube root of 40208085 is 342.5871978597

Scales and comparisons

• 40,208,085 seconds is equal to 1 year, 14 weeks, 3 days, 8 hours, 54 minutes, 45 seconds.
• To count from 1 to 40,208,085 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 40208085 cubic inches would be around 28.5 feet tall.

Recreational maths with 40208085

• 40208085 backwards is 58080204
• The number of decimal digits it has is: 8
• The sum of 40208085's digits is 27
• More coming soon!