12638208

Names of 12638208

• Cardinal: 12638208 can be written as Twelve million, six hundred thirty-eight thousand, two hundred eight.

Scientific notation

• Scientific notation: 1.2638208 × 10⁷

Factors of 12638208

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 33

Divisors of 12638208

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 8 11 12 16 17 22 24 32 33 34 44 48 51 64 66 68 88 96 102 121 128 132 136 176 187 192 204 242 256 264 272 352 363 374 384 408 484 512 528 544 561 704 726 748 768 816 968 1024 1056 1088 1122 1408 1452 1496 1536 1632 1936 2048 2057 2112 2176 2244 2816 2904 2992 3072 3264 3872 4114 4224 4352 4488 5632 5808 5984 6144 6171 6528 7744 8228 8448 8704 8976 11264 11616 11968 12342 13056 15488 16456 16896 17408 17952 22528 23232 23936 24684 26112 30976 32912 33792 34816 35904 46464 47872 49368 52224 61952 65824 67584 71808 92928 95744 98736 104448 123904 131648 143616 185856 191488 197472 247808 263296 287232 371712 382976 394944 526592 574464 743424 789888 1053184 1148928 1579776 2106368 3159552 4212736 6319104 12638208
• Sum of all divisors σ(n): 39213720
• Sum of proper divisors (its aliquot sum) s(n): 26575512
• 12638208 is an abundant number, because the sum of its proper divisors (26575512) is greater than itself. Its abundance is 13937304

Bases of 12638208

• Binary: 110000001101100000000000₂
• Hexadecimal: 0xC0D800
• Base-36: 7IVPC

Squares and roots of 12638208

• 12638208 squared (12638208²) is 159724301451264
• 12638208 cubed (12638208³) is 2018628944395776294912
• The square root of 12638208 is 3555.0257383035
• The cube root of 12638208 is 232.9316481215

Scales and comparisons

• 12,638,208 seconds is equal to 20 weeks, 6 days, 6 hours, 36 minutes, 48 seconds.
• To count from 1 to 12,638,208 would take you about thirty-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 12638208 cubic inches would be around 19.4 feet tall.

Recreational maths with 12638208

• 12638208 backwards is 80283621
• The number of decimal digits it has is: 8
• The sum of 12638208's digits is 30
• More coming soon!