12940128

Names of 12940128

• Cardinal: 12940128 can be written as Twelve million, nine hundred forty thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 1.2940128 × 10⁷

Factors of 12940128

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 903

Divisors of 12940128

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 17 18 24 27 32 34 36 48 51 54 68 72 96 102 108 136 144 153 204 216 272 288 306 408 432 459 544 612 816 864 881 918 1224 1632 1762 1836 2448 2643 3524 3672 4896 5286 7048 7344 7929 10572 14096 14688 14977 15858 21144 23787 28192 29954 31716 42288 44931 47574 59908 63432 84576 89862 95148 119816 126864 134793 179724 190296 239632 253728 269586 359448 380592 404379 479264 539172 718896 761184 808758 1078344 1437792 1617516 2156688 3235032 4313376 6470064 12940128
• Sum of all divisors σ(n): 40007520
• Sum of proper divisors (its aliquot sum) s(n): 27067392
• 12940128 is an abundant number, because the sum of its proper divisors (27067392) is greater than itself. Its abundance is 14127264

Bases of 12940128

• Binary: 110001010111001101100000₂
• Hexadecimal: 0xC57360
• Base-36: 7PCO0

Squares and roots of 12940128

• 12940128 squared (12940128²) is 167446912656384
• 12940128 cubed (12940128³) is 2166784482978428977152
• The square root of 12940128 is 3597.2389411881
• The cube root of 12940128 is 234.7719411149

Scales and comparisons

• 12,940,128 seconds is equal to 21 weeks, 2 days, 18 hours, 28 minutes, 48 seconds.
• To count from 1 to 12,940,128 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 12940128 cubic inches would be around 19.6 feet tall.

Recreational maths with 12940128

• 12940128 backwards is 82104921
• 12940128 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 12940128's digits is 27
• More coming soon!