5138842

Names of 5138842

• Cardinal: 5138842 can be written as Five million, one hundred thirty-eight thousand, eight hundred forty-two.

Scientific notation

• Scientific notation: 5.138842 × 10⁶

Factors of 5138842

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 2569423

Divisors of 5138842

• Number of divisors d(n): 4
• Complete list of divisors:
  1 2 2569421 5138842
• Sum of all divisors σ(n): 7708266
• Sum of proper divisors (its aliquot sum) s(n): 2569424
• 5138842 is a deficient number, because the sum of its proper divisors (2569424) is less than itself. Its deficiency is 2569418

Bases of 5138842

• Binary: 10011100110100110011010₂
• Hexadecimal: 0x4E699A
• Base-36: 3255M

Squares and roots of 5138842

• 5138842 squared (5138842²) is 26407697100964
• 5138842 cubed (5138842³) is 135704982985712043688
• The square root of 5138842 is 2266.9014094133
• The cube root of 5138842 is 172.5659427223

Scales and comparisons

• 5,138,842 seconds is equal to 8 weeks, 3 days, 11 hours, 27 minutes, 22 seconds.
• To count from 1 to 5,138,842 would take you about twelve 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 5138842 cubic inches would be around 14.4 feet tall.

Recreational maths with 5138842

• 5138842 backwards is 2488315
• The number of decimal digits it has is: 7
• The sum of 5138842's digits is 31
• More coming soon!