20439216

Names of 20439216

• Cardinal: 20439216 can be written as Twenty million, four hundred thirty-nine thousand, two hundred sixteen.

Scientific notation

• Scientific notation: 2.0439216 × 10⁷

Factors of 20439216

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 763

Divisors of 20439216

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 36 42 48 54 56 63 72 81 84 108 112 126 144 162 168 189 216 243 252 324 336 378 432 486 504 567 648 751 756 972 1008 1134 1296 1502 1512 1701 1944 2253 2268 3004 3024 3402 3888 4506 4536 5257 6008 6759 6804 9012 9072 10514 12016 13518 13608 15771 18024 20277 21028 27036 27216 31542 36048 40554 42056 47313 54072 60831 63084 81108 84112 94626 108144 121662 126168 141939 162216 182493 189252 243324 252336 283878 324432 364986 378504 425817 486648 567756 729972 757008 851634 973296 1135512 1277451 1459944 1703268 2271024 2554902 2919888 3406536 5109804 6813072 10219608 20439216
• Sum of all divisors σ(n): 67884544
• Sum of proper divisors (its aliquot sum) s(n): 47445328
• 20439216 is an abundant number, because the sum of its proper divisors (47445328) is greater than itself. Its abundance is 27006112

Bases of 20439216

• Binary: 1001101111110000010110000₂
• Hexadecimal: 0x137E0B0
• Base-36: C6300

Squares and roots of 20439216

• 20439216 squared (20439216²) is 417761550694656
• 20439216 cubed (20439216³) is 8538718571143024029696
• The square root of 20439216 is 4520.9751160563
• The cube root of 20439216 is 273.4144170839

Scales and comparisons

• 20,439,216 seconds is equal to 33 weeks, 5 days, 13 hours, 33 minutes, 36 seconds.
• To count from 1 to 20,439,216 would take you about fifty 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 20439216 cubic inches would be around 22.8 feet tall.

Recreational maths with 20439216

• 20439216 backwards is 61293402
• 20439216 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 20439216's digits is 27
• More coming soon!