28955712

Names of 28955712

• Cardinal: 28955712 can be written as Twenty-eight million, nine hundred fifty-five thousand, seven hundred twelve.

Scientific notation

• Scientific notation: 2.8955712 × 10⁷

Factors of 28955712

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 190

Divisors of 28955712

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 3 4 6 8 12 16 23 24 32 46 48 64 69 79 83 92 96 138 158 166 184 192 237 249 276 316 332 368 474 498 552 632 664 736 948 996 1104 1264 1328 1472 1817 1896 1909 1992 2208 2528 2656 3634 3792 3818 3984 4416 5056 5312 5451 5727 6557 7268 7584 7636 7968 10902 11454 13114 14536 15168 15272 15936 19671 21804 22908 26228 29072 30544 39342 43608 45816 52456 58144 61088 78684 87216 91632 104912 116288 122176 150811 157368 174432 183264 209824 301622 314736 348864 366528 419648 452433 603244 629472 904866 1206488 1258944 1809732 2412976 3619464 4825952 7238928 9651904 14477856 28955712
• Sum of all divisors σ(n): 81930240
• Sum of proper divisors (its aliquot sum) s(n): 52974528
• 28955712 is an abundant number, because the sum of its proper divisors (52974528) is greater than itself. Its abundance is 24018816

Bases of 28955712

• Binary: 1101110011101010001000000₂
• Hexadecimal: 0x1B9D440
• Base-36: H8MDC

Squares and roots of 28955712

• 28955712 squared (28955712²) is 838433257426944
• 28955712 cubed (28955712³) is 24277431933276451504128
• The square root of 28955712 is 5381.0511984183
• The cube root of 28955712 is 307.0752043017

Scales and comparisons

• 28,955,712 seconds is equal to 47 weeks, 6 days, 3 hours, 15 minutes, 12 seconds.
• To count from 1 to 28,955,712 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 28955712 cubic inches would be around 25.6 feet tall.

Recreational maths with 28955712

• 28955712 backwards is 21755982
• The number of decimal digits it has is: 8
• The sum of 28955712's digits is 39
• More coming soon!