20638008

Names of 20638008

• Cardinal: 20638008 can be written as Twenty million, six hundred thirty-eight thousand and eight.

Scientific notation

• Scientific notation: 2.0638008 × 10⁷

Factors of 20638008

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 230

Divisors of 20638008

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 36 37 61 72 74 111 122 127 148 183 222 244 254 296 333 366 381 444 488 508 549 666 732 762 888 1016 1098 1143 1332 1464 1524 2196 2257 2286 2664 3048 4392 4514 4572 4699 6771 7747 9028 9144 9398 13542 14097 15494 18056 18796 20313 23241 27084 28194 30988 37592 40626 42291 46482 54168 56388 61976 69723 81252 84582 92964 112776 139446 162504 169164 185928 278892 286639 338328 557784 573278 859917 1146556 1719834 2293112 2579751 3439668 5159502 6879336 10319004 20638008
• Sum of all divisors σ(n): 58805760
• Sum of proper divisors (its aliquot sum) s(n): 38167752
• 20638008 is an abundant number, because the sum of its proper divisors (38167752) is greater than itself. Its abundance is 17529744

Bases of 20638008

• Binary: 1001110101110100100111000₂
• Hexadecimal: 0x13AE938
• Base-36: CACE0

Squares and roots of 20638008

• 20638008 squared (20638008²) is 425927374208064
• 20638008 cubed (20638008³) is 8790292556325018496512
• The square root of 20638008 is 4542.9074390747
• The cube root of 20638008 is 274.2979691327

Scales and comparisons

• 20,638,008 seconds is equal to 34 weeks, 20 hours, 46 minutes, 48 seconds.
• To count from 1 to 20,638,008 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 20638008 cubic inches would be around 22.9 feet tall.

Recreational maths with 20638008

• 20638008 backwards is 80083602
• The number of decimal digits it has is: 8
• The sum of 20638008's digits is 27
• More coming soon!