20498997

Names of 20498997

• Cardinal: 20498997 can be written as Twenty million, four hundred ninety-eight thousand, nine hundred ninety-seven.

Scientific notation

• Scientific notation: 2.0498997 × 10⁷

Factors of 20498997

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 11867

Divisors of 20498997

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 607 1821 11257 33771 6832999 20498997
• Sum of all divisors σ(n): 27379456
• Sum of proper divisors (its aliquot sum) s(n): 6880459
• 20498997 is a deficient number, because the sum of its proper divisors (6880459) is less than itself. Its deficiency is 13618538

Bases of 20498997

• Binary: 1001110001100101000110101₂
• Hexadecimal: 0x138CA35
• Base-36: C7D4L

Squares and roots of 20498997

• 20498997 squared (20498997²) is 420208878006009
• 20498997 cubed (20498997³) is 8613860529618544472973
• The square root of 20498997 is 4527.5818048933
• The cube root of 20498997 is 273.6807201511

Scales and comparisons

• 20,498,997 seconds is equal to 33 weeks, 6 days, 6 hours, 9 minutes, 57 seconds.
• To count from 1 to 20,498,997 would take you about fifty 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 20498997 cubic inches would be around 22.8 feet tall.

Recreational maths with 20498997

• 20498997 backwards is 79989402
• The number of decimal digits it has is: 8
• The sum of 20498997's digits is 48
• More coming soon!