28312704

Names of 28312704

• Cardinal: 28312704 can be written as Twenty-eight million, three hundred twelve thousand, seven hundred four.

Scientific notation

• Scientific notation: 2.8312704 × 10⁷

Factors of 28312704

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 3523

Divisors of 28312704

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 56 63 64 72 84 96 112 126 128 144 168 192 224 252 288 336 384 448 504 576 672 896 1008 1152 1344 2016 2688 3511 4032 7022 8064 10533 14044 21066 24577 28088 31599 42132 49154 56176 63198 73731 84264 98308 112352 126396 147462 168528 196616 221193 224704 252792 294924 337056 393232 442386 449408 505584 589848 674112 786464 884772 1011168 1179696 1348224 1572928 1769544 2022336 2359392 3145856 3539088 4044672 4718784 7078176 9437568 14156352 28312704
• Sum of all divisors σ(n): 93138240
• Sum of proper divisors (its aliquot sum) s(n): 64825536
• 28312704 is an abundant number, because the sum of its proper divisors (64825536) is greater than itself. Its abundance is 36512832

Bases of 28312704

• Binary: 1101100000000010010000000₂
• Hexadecimal: 0x1B00480
• Base-36: GUU80

Squares and roots of 28312704

• 28312704 squared (28312704²) is 801609207791616
• 28312704 cubed (28312704³) is 22695724223878517489664
• The square root of 28312704 is 5320.9683329257
• The cube root of 28312704 is 304.7851357787

Scales and comparisons

• 28,312,704 seconds is equal to 46 weeks, 5 days, 16 hours, 38 minutes, 24 seconds.
• To count from 1 to 28,312,704 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 28312704 cubic inches would be around 25.4 feet tall.

Recreational maths with 28312704

• 28312704 backwards is 40721382
• The number of decimal digits it has is: 8
• The sum of 28312704's digits is 27
• More coming soon!