7081138

Names of 7081138

• Cardinal: 7081138 can be written as Seven million, eighty-one thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 7.081138 × 10⁶

Factors of 7081138

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 15692

Divisors of 7081138

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 229 458 15461 30922 3540569 7081138
• Sum of all divisors σ(n): 10668780
• Sum of proper divisors (its aliquot sum) s(n): 3587642
• 7081138 is a deficient number, because the sum of its proper divisors (3587642) is less than itself. Its deficiency is 3493496

Bases of 7081138

• Binary: 11011000000110010110010₂
• Hexadecimal: 0x6C0CB2
• Base-36: 47RUA

Squares and roots of 7081138

• 7081138 squared (7081138²) is 50142515375044
• 7081138 cubed (7081138³) is 355066071037808320072
• The square root of 7081138 is 2661.0407738327
• The cube root of 7081138 is 192.0293828005

Scales and comparisons

• 7,081,138 seconds is equal to 11 weeks, 4 days, 22 hours, 58 minutes, 58 seconds.
• To count from 1 to 7,081,138 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 7081138 cubic inches would be around 16 feet tall.

Recreational maths with 7081138

• 7081138 backwards is 8311807
• The number of decimal digits it has is: 7
• The sum of 7081138's digits is 28
• More coming soon!