40683890

Names of 40683890

• Cardinal: 40683890 can be written as Forty million, six hundred eighty-three thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 4.068389 × 10⁷

Factors of 40683890

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 527

Divisors of 40683890

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 5 10 13 17 26 34 41 65 82 85 130 170 205 221 410 442 449 533 697 898 1066 1105 1394 2210 2245 2665 3485 4490 5330 5837 6970 7633 9061 11674 15266 18122 18409 29185 36818 38165 45305 58370 76330 90610 92045 99229 184090 198458 239317 312953 478634 496145 625906 992290 1196585 1564765 2393170 3129530 4068389 8136778 20341945 40683890
• Sum of all divisors σ(n): 85730400
• Sum of proper divisors (its aliquot sum) s(n): 45046510
• 40683890 is an abundant number, because the sum of its proper divisors (45046510) is greater than itself. Its abundance is 4362620

Bases of 40683890

• Binary: 10011011001100100101110010₂
• Hexadecimal: 0x26CC972
• Base-36: O7ZW2

Squares and roots of 40683890

• 40683890 squared (40683890²) is 1655178905532100
• 40683890 cubed (40683890³) is 67339116522988347869000
• The square root of 40683890 is 6378.3924306991
• The cube root of 40683890 is 343.9332448887

Scales and comparisons

• 40,683,890 seconds is equal to 1 year, 15 weeks, 1 day, 21 hours, 4 minutes, 50 seconds.
• To count from 1 to 40,683,890 would take you about forty-eight 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 40683890 cubic inches would be around 28.7 feet tall.

Recreational maths with 40683890

• 40683890 backwards is 09838604
• The number of decimal digits it has is: 8
• The sum of 40683890's digits is 38
• More coming soon!