84138913

Names of 84138913

• Cardinal: 84138913 can be written as Eighty-four million, one hundred thirty-eight thousand, nine hundred thirteen.

Scientific notation

• Scientific notation: 8.4138913 × 10⁷

Factors of 84138913

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 84138913

Divisors of 84138913

• Number of divisors d(n): 2
• Complete list of divisors:
  1 84138913
• Sum of all divisors σ(n): 84138914
• Sum of proper divisors (its aliquot sum) s(n): 1
• 84138913 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 84138912

Bases of 84138913

• Binary: 101000000111101101110100001₂
• Hexadecimal: 0x503DBA1
• Base-36: 1E3E01

Squares and roots of 84138913

• 84138913 squared (84138913²) is 7079356680821569
• 84138913 cubed (84138913³) is 595649375863614762614497
• The square root of 84138913 is 9172.7265848275
• The cube root of 84138913 is 438.1931985483

Scales and comparisons

• 84,138,913 seconds is equal to 2 years, 35 weeks, 19 hours, 55 minutes, 13 seconds.
• To count from 1 to 84,138,913 would take you about four years!

  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 84138913 cubic inches would be around 36.5 feet tall.

Recreational maths with 84138913

• 84138913 backwards is 31983148
• The number of decimal digits it has is: 8
• The sum of 84138913's digits is 37
• More coming soon!