16400013

Names of 16400013

• Cardinal: 16400013 can be written as Sixteen million, four hundred thousand and thirteen.

Scientific notation

• Scientific notation: 1.6400013 × 10⁷

Factors of 16400013

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 780963

Divisors of 16400013

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 7 21 780953 2342859 5466671 16400013
• Sum of all divisors σ(n): 24990528
• Sum of proper divisors (its aliquot sum) s(n): 8590515
• 16400013 is a deficient number, because the sum of its proper divisors (8590515) is less than itself. Its deficiency is 7809498

Bases of 16400013

• Binary: 111110100011111010001101₂
• Hexadecimal: 0xFA3E8D
• Base-36: 9RIBX

Squares and roots of 16400013

• 16400013 squared (16400013²) is 268960426400169
• 16400013 cubed (16400013³) is 4410954489448314802197
• The square root of 16400013 is 4049.6929513235
• The cube root of 16400013 is 254.0668856859

Scales and comparisons

• 16,400,013 seconds is equal to 27 weeks, 19 hours, 33 minutes, 33 seconds.
• To count from 1 to 16,400,013 would take you about forty 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 16400013 cubic inches would be around 21.2 feet tall.

Recreational maths with 16400013

• 16400013 backwards is 31000461
• The number of decimal digits it has is: 8
• The sum of 16400013's digits is 15
• More coming soon!