7042421

Names of 7042421

• Cardinal: 7042421 can be written as Seven million, forty-two thousand, four hundred twenty-one.

Scientific notation

• Scientific notation: 7.042421 × 10⁶

Factors of 7042421

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 7042421

Divisors of 7042421

• Number of divisors d(n): 2
• Complete list of divisors:
  1 7042421
• Sum of all divisors σ(n): 7042422
• Sum of proper divisors (its aliquot sum) s(n): 1
• 7042421 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 7042420

Bases of 7042421

• Binary: 11010110111010101110101₂
• Hexadecimal: 0x6B7575
• Base-36: 46XYT

Squares and roots of 7042421

• 7042421 squared (7042421²) is 49595693541241
• 7042421 cubed (7042421³) is 349273753704399984461
• The square root of 7042421 is 2653.7560174213
• The cube root of 7042421 is 191.6787615135

Scales and comparisons

• 7,042,421 seconds is equal to 11 weeks, 4 days, 12 hours, 13 minutes, 41 seconds.
• To count from 1 to 7,042,421 would take you about seventeen 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 7042421 cubic inches would be around 16 feet tall.

Recreational maths with 7042421

• 7042421 backwards is 1242407
• 7042421 is a twin prime! Its twin is 7042423
• The number of decimal digits it has is: 7
• The sum of 7042421's digits is 20
• More coming soon!