21334981

Names of 21334981

• Cardinal: 21334981 can be written as Twenty-one million, three hundred thirty-four thousand, nine hundred eighty-one.

Scientific notation

• Scientific notation: 2.1334981 × 10⁷

Factors of 21334981

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 735718

Divisors of 21334981

• Number of divisors d(n): 4
• Complete list of divisors:
  1 29 735689 21334981
• Sum of all divisors σ(n): 22070700
• Sum of proper divisors (its aliquot sum) s(n): 735719
• 21334981 is a deficient number, because the sum of its proper divisors (735719) is less than itself. Its deficiency is 20599262

Bases of 21334981

• Binary: 1010001011000101111000101₂
• Hexadecimal: 0x1458BC5
• Base-36: CPA6D

Squares and roots of 21334981

• 21334981 squared (21334981²) is 455181414270361
• 21334981 cubed (21334981³) is 9711286825011280798141
• The square root of 21334981 is 4618.9805152219
• The cube root of 21334981 is 277.3516497331

Scales and comparisons

• 21,334,981 seconds is equal to 35 weeks, 1 day, 22 hours, 23 minutes, 1 second.
• To count from 1 to 21,334,981 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 21334981 cubic inches would be around 23.1 feet tall.

Recreational maths with 21334981

• 21334981 backwards is 18943312
• The number of decimal digits it has is: 8
• The sum of 21334981's digits is 31
• More coming soon!