7020421

Names of 7020421

• Cardinal: 7020421 can be written as Seven million, twenty thousand, four hundred twenty-one.

Scientific notation

• Scientific notation: 7.020421 × 10⁶

Factors of 7020421

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 53722

Divisors of 7020421

• Number of divisors d(n): 4
• Complete list of divisors:
  1 131 53591 7020421
• Sum of all divisors σ(n): 7074144
• Sum of proper divisors (its aliquot sum) s(n): 53723
• 7020421 is a deficient number, because the sum of its proper divisors (53723) is less than itself. Its deficiency is 6966698

Bases of 7020421

• Binary: 11010110001111110000101₂
• Hexadecimal: 0x6B1F85
• Base-36: 46GZP

Squares and roots of 7020421

• 7020421 squared (7020421²) is 49286311017241
• 7020421 cubed (7020421³) is 346010652877970078461
• The square root of 7020421 is 2649.6077068125
• The cube root of 7020421 is 191.4789565735

Scales and comparisons

• 7,020,421 seconds is equal to 11 weeks, 4 days, 6 hours, 7 minutes, 1 second.
• To count from 1 to 7,020,421 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 7020421 cubic inches would be around 16 feet tall.

Recreational maths with 7020421

• 7020421 backwards is 1240207
• The number of decimal digits it has is: 7
• The sum of 7020421's digits is 16
• More coming soon!