20000001

Names of 20000001

• Cardinal: 20000001 can be written as Twenty million and one.

Scientific notation

• Scientific notation: 2.0000001 × 10⁷

Factors of 20000001

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 952391

Divisors of 20000001

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 7 21 952381 2857143 6666667 20000001
• Sum of all divisors σ(n): 30476224
• Sum of proper divisors (its aliquot sum) s(n): 10476223
• 20000001 is a deficient number, because the sum of its proper divisors (10476223) is less than itself. Its deficiency is 9523778

Bases of 20000001

• Binary: 1001100010010110100000001₂
• Hexadecimal: 0x1312D01
• Base-36: BWO3L

Squares and roots of 20000001

• 20000001 squared (20000001²) is 400000040000001
• 20000001 cubed (20000001³) is 8000001200000060000001
• The square root of 20000001 is 4472.1360668029
• The cube root of 20000001 is 271.4417661835

Scales and comparisons

• 20,000,001 seconds is equal to 33 weeks, 11 hours, 33 minutes, 21 seconds.
• To count from 1 to 20,000,001 would take you about forty-nine 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 20000001 cubic inches would be around 22.6 feet tall.

Recreational maths with 20000001

• 20000001 backwards is 10000002
• 20000001 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 20000001's digits is 3
• More coming soon!