20491048

Names of 20491048

• Cardinal: 20491048 can be written as Twenty million, four hundred ninety-one thousand and forty-eight.

Scientific notation

• Scientific notation: 2.0491048 × 10⁷

Factors of 20491048

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 59612

Divisors of 20491048

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 4 8 43 86 172 344 59567 119134 238268 476536 2561381 5122762 10245524 20491048
• Sum of all divisors σ(n): 39314880
• Sum of proper divisors (its aliquot sum) s(n): 18823832
• 20491048 is a deficient number, because the sum of its proper divisors (18823832) is less than itself. Its deficiency is 1667216

Bases of 20491048

• Binary: 1001110001010101100101000₂
• Hexadecimal: 0x138AB28
• Base-36: C76ZS

Squares and roots of 20491048

• 20491048 squared (20491048²) is 419883048138304
• 20491048 cubed (20491048³) is 8603843693788297902592
• The square root of 20491048 is 4526.7038780995
• The cube root of 20491048 is 273.6453400573

Scales and comparisons

• 20,491,048 seconds is equal to 33 weeks, 6 days, 3 hours, 57 minutes, 28 seconds.
• To count from 1 to 20,491,048 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 20491048 cubic inches would be around 22.8 feet tall.

Recreational maths with 20491048

• 20491048 backwards is 84019402
• The number of decimal digits it has is: 8
• The sum of 20491048's digits is 28
• More coming soon!