20643013

Names of 20643013

• Cardinal: 20643013 can be written as Twenty million, six hundred forty-three thousand and thirteen.

Scientific notation

• Scientific notation: 2.0643013 × 10⁷

Factors of 20643013

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 3563

Divisors of 20643013

• Number of divisors d(n): 8
• Complete list of divisors:
  1 73 83 3407 6059 248711 282781 20643013
• Sum of all divisors σ(n): 21184128
• Sum of proper divisors (its aliquot sum) s(n): 541115
• 20643013 is a deficient number, because the sum of its proper divisors (541115) is less than itself. Its deficiency is 20101898

Bases of 20643013

• Binary: 1001110101111110011000101₂
• Hexadecimal: 0x13AFCC5
• Base-36: CAG91

Squares and roots of 20643013

• 20643013 squared (20643013²) is 426133985718169
• 20643013 cubed (20643013³) is 8796689406921977003197
• The square root of 20643013 is 4543.4582643621
• The cube root of 20643013 is 274.3201410135

Scales and comparisons

• 20,643,013 seconds is equal to 34 weeks, 22 hours, 10 minutes, 13 seconds.
• To count from 1 to 20,643,013 would take you about fifty-one 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 20643013 cubic inches would be around 22.9 feet tall.

Recreational maths with 20643013

• 20643013 backwards is 31034602
• The number of decimal digits it has is: 8
• The sum of 20643013's digits is 19
• More coming soon!