1990657

Names of 1990657

• Cardinal: 1990657 can be written as One million, nine hundred ninety thousand, six hundred fifty-seven.

Scientific notation

• Scientific notation: 1.990657 × 10⁶

Factors of 1990657

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 1990657

Divisors of 1990657

• Number of divisors d(n): 2
• Complete list of divisors:
  1 1990657
• Sum of all divisors σ(n): 1990658
• Sum of proper divisors (its aliquot sum) s(n): 1
• 1990657 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 1990656

Bases of 1990657

• Binary: 111100110000000000001₂
• Hexadecimal: 0x1E6001
• Base-36: 16O01

Squares and roots of 1990657

• 1990657 squared (1990657²) is 3962715291649
• 1990657 cubed (1990657³) is 7888406934328123393
• The square root of 1990657 is 1410.9064462253
• The cube root of 1990657 is 125.7956079863

Scales and comparisons

• 1,990,657 seconds is equal to 3 weeks, 2 days, 57 minutes, 37 seconds.
• To count from 1 to 1,990,657 would take you about four 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 1990657 cubic inches would be around 10.5 feet tall.

Recreational maths with 1990657

• 1990657 backwards is 7560991
• The number of decimal digits it has is: 7
• The sum of 1990657's digits is 37
• More coming soon!