42949445

Names of 42949445

• Cardinal: 42949445 can be written as Forty-two million, nine hundred forty-nine thousand, four hundred forty-five.

Scientific notation

• Scientific notation: 4.2949445 × 10⁷

Factors of 42949445

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 701

Divisors of 42949445

• Number of divisors d(n): 32
• Complete list of divisors:
  1 5 7 11 35 55 77 281 385 397 1405 1967 1985 2779 3091 4367 9835 13895 15455 21637 21835 30569 108185 111557 152845 557785 780899 1227127 3904495 6135635 8589889 42949445
• Sum of all divisors σ(n): 64647936
• Sum of proper divisors (its aliquot sum) s(n): 21698491
• 42949445 is a deficient number, because the sum of its proper divisors (21698491) is less than itself. Its deficiency is 21250954

Bases of 42949445

• Binary: 10100011110101101101000101₂
• Hexadecimal: 0x28F5B45
• Base-36: PKK05

Squares and roots of 42949445

• 42949445 squared (42949445²) is 1844654825808025
• 42949445 cubed (42949445³) is 79226900985026350296125
• The square root of 42949445 is 6553.5826080091
• The cube root of 42949445 is 350.2024542981

Scales and comparisons

• 42,949,445 seconds is equal to 1 year, 19 weeks, 2 hours, 24 minutes, 5 seconds.
• To count from 1 to 42,949,445 would take you about two years!

  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 42949445 cubic inches would be around 29.2 feet tall.

Recreational maths with 42949445

• 42949445 backwards is 54494924
• The number of decimal digits it has is: 8
• The sum of 42949445's digits is 41
• More coming soon!