20707997

Names of 20707997

• Cardinal: 20707997 can be written as Twenty million, seven hundred seven thousand, nine hundred ninety-seven.

Scientific notation

• Scientific notation: 2.0707997 × 10⁷

Factors of 20707997

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 351042

Divisors of 20707997

• Number of divisors d(n): 4
• Complete list of divisors:
  1 59 350983 20707997
• Sum of all divisors σ(n): 21059040
• Sum of proper divisors (its aliquot sum) s(n): 351043
• 20707997 is a deficient number, because the sum of its proper divisors (351043) is less than itself. Its deficiency is 20356954

Bases of 20707997

• Binary: 1001110111111101010011101₂
• Hexadecimal: 0x13BFA9D
• Base-36: CBUE5

Squares and roots of 20707997

• 20707997 squared (20707997²) is 428821139752009
• 20707997 cubed (20707997³) is 8880026875521183115973
• The square root of 20707997 is 4550.6040258413
• The cube root of 20707997 is 274.6076918489

Scales and comparisons

• 20,707,997 seconds is equal to 34 weeks, 1 day, 16 hours, 13 minutes, 17 seconds.
• To count from 1 to 20,707,997 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 20707997 cubic inches would be around 22.9 feet tall.

Recreational maths with 20707997

• 20707997 backwards is 79970702
• The number of decimal digits it has is: 8
• The sum of 20707997's digits is 41
• More coming soon!