42883728

Names of 42883728

• Cardinal: 42883728 can be written as Forty-two million, eight hundred eighty-three thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 4.2883728 × 10⁷

Factors of 42883728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 390

Divisors of 42883728

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 43 48 79 86 129 158 172 237 258 263 316 344 474 516 526 632 688 789 948 1032 1052 1264 1578 1896 2064 2104 3156 3397 3792 4208 6312 6794 10191 11309 12624 13588 20382 20777 22618 27176 33927 40764 41554 45236 54352 62331 67854 81528 83108 90472 124662 135708 163056 166216 180944 249324 271416 332432 498648 542832 893411 997296 1786822 2680233 3573644 5360466 7147288 10720932 14294576 21441864 42883728
• Sum of all divisors σ(n): 115230720
• Sum of proper divisors (its aliquot sum) s(n): 72346992
• 42883728 is an abundant number, because the sum of its proper divisors (72346992) is greater than itself. Its abundance is 29463264

Bases of 42883728

• Binary: 10100011100101101010010000₂
• Hexadecimal: 0x28E5A90
• Base-36: PJ5AO

Squares and roots of 42883728

• 42883728 squared (42883728²) is 1839014127177984
• 42883728 cubed (42883728³) is 78863781618058073444352
• The square root of 42883728 is 6548.5668661165
• The cube root of 42883728 is 350.0237480485

Scales and comparisons

• 42,883,728 seconds is equal to 1 year, 18 weeks, 6 days, 8 hours, 8 minutes, 48 seconds.
• To count from 1 to 42,883,728 would take you about two years!

  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 42883728 cubic inches would be around 29.2 feet tall.

Recreational maths with 42883728

• 42883728 backwards is 82738824
• The number of decimal digits it has is: 8
• The sum of 42883728's digits is 42
• More coming soon!