20621424

Names of 20621424

• Cardinal: 20621424 can be written as Twenty million, six hundred twenty-one thousand, four hundred twenty-four.

Scientific notation

• Scientific notation: 2.0621424 × 10⁷

Factors of 20621424

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 248

Divisors of 20621424

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 43 48 86 97 103 129 172 194 206 258 291 309 344 388 412 516 582 618 688 776 824 1032 1164 1236 1552 1648 2064 2328 2472 4171 4429 4656 4944 8342 8858 9991 12513 13287 16684 17716 19982 25026 26574 29973 33368 35432 39964 50052 53148 59946 66736 70864 79928 100104 106296 119892 159856 200208 212592 239784 429613 479568 859226 1288839 1718452 2577678 3436904 5155356 6873808 10310712 20621424
• Sum of all divisors σ(n): 55607552
• Sum of proper divisors (its aliquot sum) s(n): 34986128
• 20621424 is an abundant number, because the sum of its proper divisors (34986128) is greater than itself. Its abundance is 14364704

Bases of 20621424

• Binary: 1001110101010100001110000₂
• Hexadecimal: 0x13AA870
• Base-36: C9ZLC

Squares and roots of 20621424

• 20621424 squared (20621424²) is 425243127787776
• 20621424 cubed (20621424³) is 8769118841197910913024
• The square root of 20621424 is 4541.0818094371
• The cube root of 20621424 is 274.2244772767

Scales and comparisons

• 20,621,424 seconds is equal to 34 weeks, 16 hours, 10 minutes, 24 seconds.
• To count from 1 to 20,621,424 would take you about fifty-one weeks!

  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 20621424 cubic inches would be around 22.9 feet tall.

Recreational maths with 20621424

• 20621424 backwards is 42412602
• The number of decimal digits it has is: 8
• The sum of 20621424's digits is 21
• More coming soon!