21160001

Names of 21160001

• Cardinal: 21160001 can be written as Twenty-one million, one hundred sixty thousand and one.

Scientific notation

• Scientific notation: 2.1160001 × 10⁷

Factors of 21160001

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 21160001

Divisors of 21160001

• Number of divisors d(n): 2
• Complete list of divisors:
  1 21160001
• Sum of all divisors σ(n): 21160002
• Sum of proper divisors (its aliquot sum) s(n): 1
• 21160001 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 21160000

Bases of 21160001

• Binary: 1010000101110000001000001₂
• Hexadecimal: 0x142E041
• Base-36: CLJ5T

Squares and roots of 21160001

• 21160001 squared (21160001²) is 447745642320001
• 21160001 cubed (21160001³) is 9474298239236863480001
• The square root of 21160001 is 4600.0001086957
• The cube root of 21160001 is 276.5913291429

Scales and comparisons

• 21,160,001 seconds is equal to 34 weeks, 6 days, 21 hours, 46 minutes, 41 seconds.
• To count from 1 to 21,160,001 would take you about three days!

  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 21160001 cubic inches would be around 23 feet tall.

Recreational maths with 21160001

• 21160001 backwards is 10006112
• 21160001 is a twin prime! Its twin is 21160003
• The number of decimal digits it has is: 8
• The sum of 21160001's digits is 11
• More coming soon!