40472890

Names of 40472890

• Cardinal: 40472890 can be written as Forty million, four hundred seventy-two thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 4.047289 × 10⁷

Factors of 40472890

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 1654

Divisors of 40472890

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 5 10 43 61 86 122 215 305 430 610 1543 2623 3086 5246 7715 13115 15430 26230 66349 94123 132698 188246 331745 470615 663490 941230 4047289 8094578 20236445 40472890
• Sum of all divisors σ(n): 75816576
• Sum of proper divisors (its aliquot sum) s(n): 35343686
• 40472890 is a deficient number, because the sum of its proper divisors (35343686) is less than itself. Its deficiency is 5129204

Bases of 40472890

• Binary: 10011010011001000100111010₂
• Hexadecimal: 0x269913A
• Base-36: O3H2Y

Squares and roots of 40472890

• 40472890 squared (40472890²) is 1638054824952100
• 40472890 cubed (40472890³) is 66296812744255598569000
• The square root of 40472890 is 6361.8307113597
• The cube root of 40472890 is 343.3376304695

Scales and comparisons

• 40,472,890 seconds is equal to 1 year, 14 weeks, 6 days, 10 hours, 28 minutes, 10 seconds.
• To count from 1 to 40,472,890 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 40472890 cubic inches would be around 28.6 feet tall.

Recreational maths with 40472890

• 40472890 backwards is 09827404
• The number of decimal digits it has is: 8
• The sum of 40472890's digits is 34
• More coming soon!