42621493

Names of 42621493

• Cardinal: 42621493 can be written as Forty-two million, six hundred twenty-one thousand, four hundred ninety-three.

Scientific notation

• Scientific notation: 4.2621493 × 10⁷

Factors of 42621493

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 698774

Divisors of 42621493

• Number of divisors d(n): 4
• Complete list of divisors:
  1 61 698713 42621493
• Sum of all divisors σ(n): 43320268
• Sum of proper divisors (its aliquot sum) s(n): 698775
• 42621493 is a deficient number, because the sum of its proper divisors (698775) is less than itself. Its deficiency is 41922718

Bases of 42621493

• Binary: 10100010100101101000110101₂
• Hexadecimal: 0x28A5A35
• Base-36: PDIYD

Squares and roots of 42621493

• 42621493 squared (42621493²) is 1816591665549049
• 42621493 cubed (42621493³) is 77425848957057133110157
• The square root of 42621493 is 6528.5138431345
• The cube root of 42621493 is 349.3088209941

Scales and comparisons

• 42,621,493 seconds is equal to 1 year, 18 weeks, 3 days, 7 hours, 18 minutes, 13 seconds.
• To count from 1 to 42,621,493 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 42621493 cubic inches would be around 29.1 feet tall.

Recreational maths with 42621493

• 42621493 backwards is 39412624
• The number of decimal digits it has is: 8
• The sum of 42621493's digits is 31
• More coming soon!