21132827

Names of 21132827

• Cardinal: 21132827 can be written as Twenty-one million, one hundred thirty-two thousand, eight hundred twenty-seven.

Scientific notation

• Scientific notation: 2.1132827 × 10⁷

Factors of 21132827

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 21132827

Divisors of 21132827

• Number of divisors d(n): 2
• Complete list of divisors:
  1 21132827
• Sum of all divisors σ(n): 21132828
• Sum of proper divisors (its aliquot sum) s(n): 1
• 21132827 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 21132826

Bases of 21132827

• Binary: 1010000100111011000011011₂
• Hexadecimal: 0x142761B
• Base-36: CKY6Z

Squares and roots of 21132827

• 21132827 squared (21132827²) is 446596377011929
• 21132827 cubed (21132827³) is 9437843974219872493283
• The square root of 21132827 is 4597.0454642085
• The cube root of 21132827 is 276.4728774707

Scales and comparisons

• 21,132,827 seconds is equal to 34 weeks, 6 days, 14 hours, 13 minutes, 47 seconds.
• To count from 1 to 21,132,827 would take you about two 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 21132827 cubic inches would be around 23 feet tall.

Recreational maths with 21132827

• 21132827 backwards is 72823112
• The number of decimal digits it has is: 8
• The sum of 21132827's digits is 26
• More coming soon!