1997389

Names of 1997389

• Cardinal: 1997389 can be written as One million, nine hundred ninety-seven thousand, three hundred eighty-nine.

Scientific notation

• Scientific notation: 1.997389 × 10⁶

Factors of 1997389

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 86866

Divisors of 1997389

• Number of divisors d(n): 4
• Complete list of divisors:
  1 23 86843 1997389
• Sum of all divisors σ(n): 2084256
• Sum of proper divisors (its aliquot sum) s(n): 86867
• 1997389 is a deficient number, because the sum of its proper divisors (86867) is less than itself. Its deficiency is 1910522

Bases of 1997389

• Binary: 111100111101001001101₂
• Hexadecimal: 0x1E7A4D
• Base-36: 16T71

Squares and roots of 1997389

• 1997389 squared (1997389²) is 3989562817321
• 1997389 cubed (1997389³) is 7968708886125974869
• The square root of 1997389 is 1413.2901329875
• The cube root of 1997389 is 125.9372535487

Scales and comparisons

• 1,997,389 seconds is equal to 3 weeks, 2 days, 2 hours, 49 minutes, 49 seconds.
• To count from 1 to 1,997,389 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 1997389 cubic inches would be around 10.5 feet tall.

Recreational maths with 1997389

• 1997389 backwards is 9837991
• The number of decimal digits it has is: 7
• The sum of 1997389's digits is 46
• More coming soon!