21144446

Names of 21144446

• Cardinal: 21144446 can be written as Twenty-one million, one hundred forty-four thousand, four hundred forty-six.

Scientific notation

• Scientific notation: 2.1144446 × 10⁷

Factors of 21144446

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 67498

Divisors of 21144446

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 157 314 67339 134678 10572223 21144446
• Sum of all divisors σ(n): 31919160
• Sum of proper divisors (its aliquot sum) s(n): 10774714
• 21144446 is a deficient number, because the sum of its proper divisors (10774714) is less than itself. Its deficiency is 10369732

Bases of 21144446

• Binary: 1010000101010001101111110₂
• Hexadecimal: 0x142A37E
• Base-36: CL75Q

Squares and roots of 21144446

• 21144446 squared (21144446²) is 447087596646916
• 21144446 cubed (21144446³) is 9453419544570496428536
• The square root of 21144446 is 4598.3090370265
• The cube root of 21144446 is 276.5235371989

Scales and comparisons

• 21,144,446 seconds is equal to 34 weeks, 6 days, 17 hours, 27 minutes, 26 seconds.
• To count from 1 to 21,144,446 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 21144446 cubic inches would be around 23 feet tall.

Recreational maths with 21144446

• 21144446 backwards is 64444112
• The number of decimal digits it has is: 8
• The sum of 21144446's digits is 26
• More coming soon!