42253421

Names of 42253421

• Cardinal: 42253421 can be written as Forty-two million, two hundred fifty-three thousand, four hundred twenty-one.

Scientific notation

• Scientific notation: 4.2253421 × 10⁷

Factors of 42253421

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 6036210

Divisors of 42253421

• Number of divisors d(n): 4
• Complete list of divisors:
  1 7 6036203 42253421
• Sum of all divisors σ(n): 48289632
• Sum of proper divisors (its aliquot sum) s(n): 6036211
• 42253421 is a deficient number, because the sum of its proper divisors (6036211) is less than itself. Its deficiency is 36217210

Bases of 42253421

• Binary: 10100001001011110001101101₂
• Hexadecimal: 0x284BC6D
• Base-36: P5MY5

Squares and roots of 42253421

• 42253421 squared (42253421²) is 1785351586203241
• 42253421 cubed (42253421³) is 75437212204863333537461
• The square root of 42253421 is 6500.2631485195
• The cube root of 42253421 is 348.3003885623

Scales and comparisons

• 42,253,421 seconds is equal to 1 year, 17 weeks, 6 days, 1 hour, 3 minutes, 41 seconds.
• To count from 1 to 42,253,421 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 42253421 cubic inches would be around 29 feet tall.

Recreational maths with 42253421

• 42253421 backwards is 12435224
• The number of decimal digits it has is: 8
• The sum of 42253421's digits is 23
• More coming soon!