7138906

Names of 7138906

• Cardinal: 7138906 can be written as Seven million, one hundred thirty-eight thousand, nine hundred six.

Scientific notation

• Scientific notation: 7.138906 × 10⁶

Factors of 7138906

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 3569455

Divisors of 7138906

• Number of divisors d(n): 4
• Complete list of divisors:
  1 2 3569453 7138906
• Sum of all divisors σ(n): 10708362
• Sum of proper divisors (its aliquot sum) s(n): 3569456
• 7138906 is a deficient number, because the sum of its proper divisors (3569456) is less than itself. Its deficiency is 3569450

Bases of 7138906

• Binary: 11011001110111001011010₂
• Hexadecimal: 0x6CEE5A
• Base-36: 490EY

Squares and roots of 7138906

• 7138906 squared (7138906²) is 50963978876836
• 7138906 cubed (7138906³) is 363827054587717781416
• The square root of 7138906 is 2671.8731257303
• The cube root of 7138906 is 192.5501617745

Scales and comparisons

• 7,138,906 seconds is equal to 11 weeks, 5 days, 15 hours, 1 minute, 46 seconds.
• To count from 1 to 7,138,906 would take you about seventeen 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 7138906 cubic inches would be around 16 feet tall.

Recreational maths with 7138906

• 7138906 backwards is 6098317
• The number of decimal digits it has is: 7
• The sum of 7138906's digits is 34
• More coming soon!