13889736

Names of 13889736

• Cardinal: 13889736 can be written as Thirteen million, eight hundred eighty-nine thousand, seven hundred thirty-six.

Scientific notation

• Scientific notation: 1.3889736 × 10⁷

Factors of 13889736

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 170

Divisors of 13889736

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 18 21 24 28 31 36 42 49 56 62 63 72 84 93 98 124 126 127 147 168 186 196 217 248 252 254 279 294 372 381 392 434 441 504 508 558 588 651 744 762 868 882 889 1016 1116 1143 1176 1302 1519 1524 1736 1764 1778 1953 2232 2286 2604 2667 3038 3048 3528 3556 3906 3937 4557 4572 5208 5334 6076 6223 7112 7812 7874 8001 9114 9144 10668 11811 12152 12446 13671 15624 15748 16002 18228 18669 21336 23622 24892 27342 27559 31496 32004 35433 36456 37338 47244 49784 54684 55118 56007 64008 70866 74676 82677 94488 109368 110236 112014 141732 149352 165354 192913 220472 224028 248031 283464 330708 385826 448056 496062 578739 661416 771652 992124 1157478 1543304 1736217 1984248 2314956 3472434 4629912 6944868 13889736
• Sum of all divisors σ(n): 45527040
• Sum of proper divisors (its aliquot sum) s(n): 31637304
• 13889736 is an abundant number, because the sum of its proper divisors (31637304) is greater than itself. Its abundance is 17747568

Bases of 13889736

• Binary: 110100111111000011001000₂
• Hexadecimal: 0xD3F0C8
• Base-36: 89PE0

Squares and roots of 13889736

• 13889736 squared (13889736²) is 192924766149696
• 13889736 cubed (13889736³) is 2679674069681013920256
• The square root of 13889736 is 3726.8936126485
• The cube root of 13889736 is 240.3798152677

Scales and comparisons

• 13,889,736 seconds is equal to 22 weeks, 6 days, 18 hours, 15 minutes, 36 seconds.
• To count from 1 to 13,889,736 would take you about thirty-four 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 13889736 cubic inches would be around 20 feet tall.

Recreational maths with 13889736

• 13889736 backwards is 63798831
• The number of decimal digits it has is: 8
• The sum of 13889736's digits is 45
• More coming soon!