12997866

Names of 12997866

• Cardinal: 12997866 can be written as Twelve million, nine hundred ninety-seven thousand, eight hundred sixty-six.

Scientific notation

• Scientific notation: 1.2997866 × 10⁷

Factors of 12997866

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 259

Divisors of 12997866

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 7 14 21 31 42 62 67 93 134 149 186 201 217 298 402 434 447 469 651 894 938 1043 1302 1407 2077 2086 2814 3129 4154 4619 6231 6258 9238 9983 12462 13857 14539 19966 27714 29078 29949 32333 43617 59898 64666 69881 87234 96999 139762 193998 209643 309473 419286 618946 928419 1856838 2166311 4332622 6498933 12997866
• Sum of all divisors σ(n): 31334400
• Sum of proper divisors (its aliquot sum) s(n): 18336534
• 12997866 is an abundant number, because the sum of its proper divisors (18336534) is greater than itself. Its abundance is 5338668

Bases of 12997866

• Binary: 110001100101010011101010₂
• Hexadecimal: 0xC654EA
• Base-36: 7QL7U

Squares and roots of 12997866

• 12997866 squared (12997866²) is 168944520553956
• 12997866 cubed (12997866³) is 2195918239594565857896
• The square root of 12997866 is 3605.2553307639
• The cube root of 12997866 is 235.1206020469

Scales and comparisons

• 12,997,866 seconds is equal to 21 weeks, 3 days, 10 hours, 31 minutes, 6 seconds.
• To count from 1 to 12,997,866 would take you about thirty-two 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 12997866 cubic inches would be around 19.6 feet tall.

Recreational maths with 12997866

• 12997866 backwards is 66879921
• The number of decimal digits it has is: 8
• The sum of 12997866's digits is 48
• More coming soon!