40298290

Names of 40298290

• Cardinal: 40298290 can be written as Forty million, two hundred ninety-eight thousand, two hundred ninety.

Scientific notation

• Scientific notation: 4.029829 × 10⁷

Factors of 40298290

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 4029836

Divisors of 40298290

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 5 10 4029829 8059658 20149145 40298290
• Sum of all divisors σ(n): 72536940
• Sum of proper divisors (its aliquot sum) s(n): 32238650
• 40298290 is a deficient number, because the sum of its proper divisors (32238650) is less than itself. Its deficiency is 8059640

Bases of 40298290

• Binary: 10011001101110011100110010₂
• Hexadecimal: 0x266E732
• Base-36: NZQCY

Squares and roots of 40298290

• 40298290 squared (40298290²) is 1623952176924100
• 40298290 cubed (40298290³) is 65442495771818689789000
• The square root of 40298290 is 6348.0934145615
• The cube root of 40298290 is 342.8431994163

Scales and comparisons

• 40,298,290 seconds is equal to 1 year, 14 weeks, 4 days, 9 hours, 58 minutes, 10 seconds.
• To count from 1 to 40,298,290 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 40298290 cubic inches would be around 28.6 feet tall.

Recreational maths with 40298290

• 40298290 backwards is 09289204
• The number of decimal digits it has is: 8
• The sum of 40298290's digits is 34
• More coming soon!