20668648

Names of 20668648

• Cardinal: 20668648 can be written as Twenty million, six hundred sixty-eight thousand, six hundred forty-eight.

Scientific notation

• Scientific notation: 2.0668648 × 10⁷

Factors of 20668648

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 151

Divisors of 20668648

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 7 8 11 13 14 22 26 28 29 44 52 56 58 77 88 89 91 104 116 143 154 178 182 203 232 286 308 319 356 364 377 406 572 616 623 638 712 728 754 812 979 1001 1144 1157 1246 1276 1508 1624 1958 2002 2233 2314 2492 2552 2581 2639 3016 3916 4004 4147 4466 4628 4984 5162 5278 6853 7832 8008 8099 8294 8932 9256 10324 10556 12727 13706 16198 16588 17864 18067 20648 21112 25454 27412 28391 29029 32396 33176 33553 36134 50908 54824 56782 58058 64792 67106 72268 89089 101816 113564 116116 134212 144536 178178 198737 227128 232232 234871 268424 356356 369083 397474 469742 712712 738166 794948 939484 1476332 1589896 1878968 2583581 2952664 5167162 10334324 20668648
• Sum of all divisors σ(n): 54432000
• Sum of proper divisors (its aliquot sum) s(n): 33763352
• 20668648 is an abundant number, because the sum of its proper divisors (33763352) is greater than itself. Its abundance is 13094704

Bases of 20668648

• Binary: 1001110110110000011101000₂
• Hexadecimal: 0x13B60E8
• Base-36: CB014

Squares and roots of 20668648

• 20668648 squared (20668648²) is 427193010147904
• 20668648 cubed (20668648³) is 8829501954807455713792
• The square root of 20668648 is 4546.2784780521
• The cube root of 20668648 is 274.4336465357

Scales and comparisons

• 20,668,648 seconds is equal to 34 weeks, 1 day, 5 hours, 17 minutes, 28 seconds.
• To count from 1 to 20,668,648 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 20668648 cubic inches would be around 22.9 feet tall.

Recreational maths with 20668648

• 20668648 backwards is 84686602
• The number of decimal digits it has is: 8
• The sum of 20668648's digits is 40
• More coming soon!