12738432

Names of 12738432

• Cardinal: 12738432 can be written as Twelve million, seven hundred thirty-eight thousand, four hundred thirty-two.

Scientific notation

• Scientific notation: 1.2738432 × 10⁷

Factors of 12738432

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 689

Divisors of 12738432

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 49 56 64 84 96 98 112 128 147 168 192 196 224 294 336 384 392 448 588 672 677 784 896 1176 1344 1354 1568 2031 2352 2688 2708 3136 4062 4704 4739 5416 6272 8124 9408 9478 10832 14217 16248 18816 18956 21664 28434 32496 33173 37912 43328 56868 64992 66346 75824 86656 99519 113736 129984 132692 151648 199038 227472 259968 265384 303296 398076 454944 530768 606592 796152 909888 1061536 1592304 1819776 2123072 3184608 4246144 6369216 12738432
• Sum of all divisors σ(n): 39418920
• Sum of proper divisors (its aliquot sum) s(n): 26680488
• 12738432 is an abundant number, because the sum of its proper divisors (26680488) is greater than itself. Its abundance is 13942056

Bases of 12738432

• Binary: 110000100101111110000000₂
• Hexadecimal: 0xC25F80
• Base-36: 7L11C

Squares and roots of 12738432

• 12738432 squared (12738432²) is 162267649818624
• 12738432 cubed (12738432³) is 2067035423014354157568
• The square root of 12738432 is 3569.0940026847
• The cube root of 12738432 is 233.5457620999

Scales and comparisons

• 12,738,432 seconds is equal to 21 weeks, 10 hours, 27 minutes, 12 seconds.
• To count from 1 to 12,738,432 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 12738432 cubic inches would be around 19.5 feet tall.

Recreational maths with 12738432

• 12738432 backwards is 23483721
• The number of decimal digits it has is: 8
• The sum of 12738432's digits is 30
• More coming soon!