16986421

Names of 16986421

• Cardinal: 16986421 can be written as Sixteen million, nine hundred eighty-six thousand, four hundred twenty-one.

Scientific notation

• Scientific notation: 1.6986421 × 10⁷

Factors of 16986421

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 16986421

Divisors of 16986421

• Number of divisors d(n): 2
• Complete list of divisors:
  1 16986421
• Sum of all divisors σ(n): 16986422
• Sum of proper divisors (its aliquot sum) s(n): 1
• 16986421 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 16986420

Bases of 16986421

• Binary: 1000000110011000100110101₂
• Hexadecimal: 0x1033135
• Base-36: A42T1

Squares and roots of 16986421

• 16986421 squared (16986421²) is 288538498389241
• 16986421 cubed (16986421³) is 4901236408347469496461
• The square root of 16986421 is 4121.4586010293
• The cube root of 16986421 is 257.0596791967

Scales and comparisons

• 16,986,421 seconds is equal to 28 weeks, 14 hours, 27 minutes, 1 second.
• To count from 1 to 16,986,421 would take you about forty-two 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 16986421 cubic inches would be around 21.4 feet tall.

Recreational maths with 16986421

• 16986421 backwards is 12468961
• The number of decimal digits it has is: 8
• The sum of 16986421's digits is 37
• More coming soon!