6981409

Names of 6981409

• Cardinal: 6981409 can be written as Six million, nine hundred eighty-one thousand, four hundred nine.

Scientific notation

• Scientific notation: 6.981409 × 10⁶

Factors of 6981409

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 6981409

Divisors of 6981409

• Number of divisors d(n): 2
• Complete list of divisors:
  1 6981409
• Sum of all divisors σ(n): 6981410
• Sum of proper divisors (its aliquot sum) s(n): 1
• 6981409 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 6981408

Bases of 6981409

• Binary: 11010101000011100100001₂
• Hexadecimal: 0x6A8721
• Base-36: 45MW1

Squares and roots of 6981409

• 6981409 squared (6981409²) is 48740071625281
• 6981409 cubed (6981409³) is 340274374705381400929
• The square root of 6981409 is 2642.2356064515
• The cube root of 6981409 is 191.1236190685

Scales and comparisons

• 6,981,409 seconds is equal to 11 weeks, 3 days, 19 hours, 16 minutes, 49 seconds.
• To count from 1 to 6,981,409 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 6981409 cubic inches would be around 15.9 feet tall.

Recreational maths with 6981409

• 6981409 backwards is 9041896
• The number of decimal digits it has is: 7
• The sum of 6981409's digits is 37
• More coming soon!