21364121

Names of 21364121

• Cardinal: 21364121 can be written as Twenty-one million, three hundred sixty-four thousand, one hundred twenty-one.

Scientific notation

• Scientific notation: 2.1364121 × 10⁷

Factors of 21364121

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 2583

Divisors of 21364121

• Number of divisors d(n): 8
• Complete list of divisors:
  1 17 659 1907 11203 32419 1256713 21364121
• Sum of all divisors σ(n): 22667040
• Sum of proper divisors (its aliquot sum) s(n): 1302919
• 21364121 is a deficient number, because the sum of its proper divisors (1302919) is less than itself. Its deficiency is 20061202

Bases of 21364121

• Binary: 1010001011111110110011001₂
• Hexadecimal: 0x145FD99
• Base-36: CPWNT

Squares and roots of 21364121

• 21364121 squared (21364121²) is 456425666102641
• 21364121 cubed (21364121³) is 9751133158122420743561
• The square root of 21364121 is 4622.1338145925
• The cube root of 21364121 is 277.4778642083

Scales and comparisons

• 21,364,121 seconds is equal to 35 weeks, 2 days, 6 hours, 28 minutes, 41 seconds.
• To count from 1 to 21,364,121 would take you about six 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 21364121 cubic inches would be around 23.1 feet tall.

Recreational maths with 21364121

• 21364121 backwards is 12146312
• The number of decimal digits it has is: 8
• The sum of 21364121's digits is 20
• More coming soon!