21348933

Names of 21348933

• Cardinal: 21348933 can be written as Twenty-one million, three hundred forty-eight thousand, nine hundred thirty-three.

Scientific notation

• Scientific notation: 2.1348933 × 10⁷

Factors of 21348933

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 7116314

Divisors of 21348933

• Number of divisors d(n): 4
• Complete list of divisors:
  1 3 7116311 21348933
• Sum of all divisors σ(n): 28465248
• Sum of proper divisors (its aliquot sum) s(n): 7116315
• 21348933 is a deficient number, because the sum of its proper divisors (7116315) is less than itself. Its deficiency is 14232618

Bases of 21348933

• Binary: 1010001011100001001000101₂
• Hexadecimal: 0x145C245
• Base-36: CPKXX

Squares and roots of 21348933

• 21348933 squared (21348933²) is 455776940238489
• 21348933 cubed (21348933³) is 9730351360096505682237
• The square root of 21348933 is 4620.4905583715
• The cube root of 21348933 is 277.4120945493

Scales and comparisons

• 21,348,933 seconds is equal to 35 weeks, 2 days, 2 hours, 15 minutes, 33 seconds.
• To count from 1 to 21,348,933 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 21348933 cubic inches would be around 23.1 feet tall.

Recreational maths with 21348933

• 21348933 backwards is 33984312
• The number of decimal digits it has is: 8
• The sum of 21348933's digits is 33
• More coming soon!