38816990

Names of 38816990

• Cardinal: 38816990 can be written as Thirty-eight million, eight hundred sixteen thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 3.881699 × 10⁷

Factors of 38816990

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 3881706

Divisors of 38816990

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 5 10 3881699 7763398 19408495 38816990
• Sum of all divisors σ(n): 69870600
• Sum of proper divisors (its aliquot sum) s(n): 31053610
• 38816990 is a deficient number, because the sum of its proper divisors (31053610) is less than itself. Its deficiency is 7763380

Bases of 38816990

• Binary: 10010100000100110011011110₂
• Hexadecimal: 0x2504CDE
• Base-36: N3ZDQ

Squares and roots of 38816990

• 38816990 squared (38816990²) is 1506758712660100
• 38816990 cubed (38816990³) is 58487837881739975099000
• The square root of 38816990 is 6230.3282417543
• The cube root of 38816990 is 338.5898631731

Scales and comparisons

• 38,816,990 seconds is equal to 1 year, 12 weeks, 1 day, 6 hours, 29 minutes, 50 seconds.
• To count from 1 to 38,816,990 would take you about forty-four 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 38816990 cubic inches would be around 28.2 feet tall.

Recreational maths with 38816990

• 38816990 backwards is 09961883
• The number of decimal digits it has is: 8
• The sum of 38816990's digits is 44
• More coming soon!