1381906

Names of 1381906

• Cardinal: 1381906 can be written as One million, three hundred eighty-one thousand, nine hundred six.

Scientific notation

• Scientific notation: 1.381906 × 10⁶

Factors of 1381906

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 690955

Divisors of 1381906

• Number of divisors d(n): 4
• Complete list of divisors:
  1 2 690953 1381906
• Sum of all divisors σ(n): 2072862
• Sum of proper divisors (its aliquot sum) s(n): 690956
• 1381906 is a deficient number, because the sum of its proper divisors (690956) is less than itself. Its deficiency is 690950

Bases of 1381906

• Binary: 101010001011000010010₂
• Hexadecimal: 0x151612
• Base-36: TMAA

Squares and roots of 1381906

• 1381906 squared (1381906²) is 1909664192836
• 1381906 cubed (1381906³) is 2638976406065225416
• The square root of 1381906 is 1175.5449799987
• The cube root of 1381906 is 111.3848610689

Scales and comparisons

• 1,381,906 seconds is equal to 2 weeks, 1 day, 23 hours, 51 minutes, 46 seconds.
• To count from 1 to 1,381,906 would take you about three 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 1381906 cubic inches would be around 9.3 feet tall.

Recreational maths with 1381906

• 1381906 backwards is 6091831
• The number of decimal digits it has is: 7
• The sum of 1381906's digits is 28
• More coming soon!