21064993

Names of 21064993

• Cardinal: 21064993 can be written as Twenty-one million, sixty-four thousand, nine hundred ninety-three.

Scientific notation

• Scientific notation: 2.1064993 × 10⁷

Factors of 21064993

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 21064993

Divisors of 21064993

• Number of divisors d(n): 2
• Complete list of divisors:
  1 21064993
• Sum of all divisors σ(n): 21064994
• Sum of proper divisors (its aliquot sum) s(n): 1
• 21064993 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 21064992

Bases of 21064993

• Binary: 1010000010110110100100001₂
• Hexadecimal: 0x1416D21
• Base-36: CJHUP

Squares and roots of 21064993

• 21064993 squared (21064993²) is 443733930090049
• 21064993 cubed (21064993³) is 9347252131209371554657
• The square root of 21064993 is 4589.6615343619
• The cube root of 21064993 is 276.1767447703

Scales and comparisons

• 21,064,993 seconds is equal to 34 weeks, 5 days, 19 hours, 23 minutes, 13 seconds.
• To count from 1 to 21,064,993 would take you about seventeen hours!

  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 21064993 cubic inches would be around 23 feet tall.

Recreational maths with 21064993

• 21064993 backwards is 39946012
• The number of decimal digits it has is: 8
• The sum of 21064993's digits is 34
• More coming soon!