30684421

Names of 30684421

• Cardinal: 30684421 can be written as Thirty million, six hundred eighty-four thousand, four hundred twenty-one.

Scientific notation

• Scientific notation: 3.0684421 × 10⁷

Factors of 30684421

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 298010

Divisors of 30684421

• Number of divisors d(n): 4
• Complete list of divisors:
  1 103 297907 30684421
• Sum of all divisors σ(n): 30982432
• Sum of proper divisors (its aliquot sum) s(n): 298011
• 30684421 is a deficient number, because the sum of its proper divisors (298011) is less than itself. Its deficiency is 30386410

Bases of 30684421

• Binary: 1110101000011010100000101₂
• Hexadecimal: 0x1D43505
• Base-36: I9O91

Squares and roots of 30684421

• 30684421 squared (30684421²) is 941533692105241
• 30684421 cubed (30684421³) is 28890416194241591150461
• The square root of 30684421 is 5539.3520379193
• The cube root of 30684421 is 313.0684556657

Scales and comparisons

• 30,684,421 seconds is equal to 50 weeks, 5 days, 3 hours, 27 minutes, 1 second.
• To count from 1 to 30,684,421 would take you about twenty-four 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 30684421 cubic inches would be around 26.1 feet tall.

Recreational maths with 30684421

• 30684421 backwards is 12448603
• The number of decimal digits it has is: 8
• The sum of 30684421's digits is 28
• More coming soon!