28642896

Names of 28642896

• Cardinal: 28642896 can be written as Twenty-eight million, six hundred forty-two thousand, eight hundred ninety-six.

Scientific notation

• Scientific notation: 2.8642896 × 10⁷

Factors of 28642896

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 197

Divisors of 28642896

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 36 48 53 54 72 81 106 108 139 144 159 162 212 216 243 278 318 324 417 424 432 477 486 556 636 648 834 848 954 972 1112 1251 1272 1296 1431 1668 1908 1944 2224 2502 2544 2862 3336 3753 3816 3888 4293 5004 5724 6672 7367 7506 7632 8586 10008 11259 11448 12879 14734 15012 17172 20016 22101 22518 22896 25758 29468 30024 33777 34344 44202 45036 51516 58936 60048 66303 67554 68688 88404 90072 103032 117872 132606 135108 176808 180144 198909 206064 265212 270216 353616 397818 530424 540432 596727 795636 1060848 1193454 1591272 1790181 2386908 3182544 3580362 4773816 7160724 9547632 14321448 28642896
• Sum of all divisors σ(n): 85307040
• Sum of proper divisors (its aliquot sum) s(n): 56664144
• 28642896 is an abundant number, because the sum of its proper divisors (56664144) is greater than itself. Its abundance is 28021248

Bases of 28642896

• Binary: 1101101010000111001010000₂
• Hexadecimal: 0x1B50E50
• Base-36: H1X00

Squares and roots of 28642896

• 28642896 squared (28642896²) is 820415491266816
• 28642896 cubed (28642896³) is 23499075593144318939136
• The square root of 28642896 is 5351.9058287679
• The cube root of 28642896 is 305.9653940103

Scales and comparisons

• 28,642,896 seconds is equal to 47 weeks, 2 days, 12 hours, 21 minutes, 36 seconds.
• To count from 1 to 28,642,896 would take you about nineteen 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 28642896 cubic inches would be around 25.5 feet tall.

Recreational maths with 28642896

• 28642896 backwards is 69824682
• The number of decimal digits it has is: 8
• The sum of 28642896's digits is 45
• More coming soon!