28427256

Names of 28427256

• Cardinal: 28427256 can be written as Twenty-eight million, four hundred twenty-seven thousand, two hundred fifty-six.

Scientific notation

• Scientific notation: 2.8427256 × 10⁷

Factors of 28427256

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 280

Divisors of 28427256

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 13 18 22 24 26 33 36 39 44 52 66 72 78 88 99 104 117 121 132 143 156 198 234 242 251 264 286 312 363 396 429 468 484 502 572 726 753 792 858 936 968 1004 1089 1144 1287 1452 1506 1573 1716 2008 2178 2259 2574 2761 2904 3012 3146 3263 3432 4356 4518 4719 5148 5522 6024 6292 6526 8283 8712 9036 9438 9789 10296 11044 12584 13052 14157 16566 18072 18876 19578 22088 24849 26104 28314 29367 30371 33132 35893 37752 39156 49698 56628 58734 60742 66264 71786 78312 91113 99396 107679 113256 117468 121484 143572 182226 198792 215358 234936 242968 273339 287144 323037 364452 394823 430716 546678 646074 728904 789646 861432 1093356 1184469 1292148 1579292 2186712 2368938 2584296 3158584 3553407 4737876 7106814 9475752 14213628 28427256
• Sum of all divisors σ(n): 91498680
• Sum of proper divisors (its aliquot sum) s(n): 63071424
• 28427256 is an abundant number, because the sum of its proper divisors (63071424) is greater than itself. Its abundance is 34644168

Bases of 28427256

• Binary: 1101100011100001111111000₂
• Hexadecimal: 0x1B1C3F8
• Base-36: GXAM0

Squares and roots of 28427256

• 28427256 squared (28427256²) is 808108883689536
• 28427256 cubed (28427256³) is 22972318112516664393216
• The square root of 28427256 is 5331.7216731559
• The cube root of 28427256 is 305.1956319047

Scales and comparisons

• 28,427,256 seconds is equal to 47 weeks, 27 minutes, 36 seconds.
• To count from 1 to 28,427,256 would take you about eighteen 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 28427256 cubic inches would be around 25.4 feet tall.

Recreational maths with 28427256

• 28427256 backwards is 65272482
• 28427256 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 28427256's digits is 36
• More coming soon!