1981443

Names of 1981443

• Cardinal: 1981443 can be written as One million, nine hundred eighty-one thousand, four hundred forty-three.

Scientific notation

• Scientific notation: 1.981443 × 10⁶

Factors of 1981443

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 3521

Divisors of 1981443

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 199 597 3319 9957 660481 1981443
• Sum of all divisors σ(n): 2656000
• Sum of proper divisors (its aliquot sum) s(n): 674557
• 1981443 is a deficient number, because the sum of its proper divisors (674557) is less than itself. Its deficiency is 1306886

Bases of 1981443

• Binary: 111100011110000000011₂
• Hexadecimal: 0x1E3C03
• Base-36: 16GW3

Squares and roots of 1981443

• 1981443 squared (1981443²) is 3926116362249
• 1981443 cubed (1981443³) is 7779375783163745307
• The square root of 1981443 is 1407.6373822829
• The cube root of 1981443 is 125.6012209639

Scales and comparisons

• 1,981,443 seconds is equal to 3 weeks, 1 day, 22 hours, 24 minutes, 3 seconds.
• To count from 1 to 1,981,443 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 1981443 cubic inches would be around 10.5 feet tall.

Recreational maths with 1981443

• 1981443 backwards is 3441891
• The number of decimal digits it has is: 7
• The sum of 1981443's digits is 30
• More coming soon!