28216831040

Names of 28216831040

• Cardinal: 28216831040 can be written as Twenty-eight billion, two hundred sixteen million, eight hundred thirty-one thousand and forty.

Scientific notation

• Scientific notation: 2.821683104 × 10¹⁰

Factors of 28216831040

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 109545

Divisors of 28216831040

• Number of divisors d(n): 56
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 64 80 160 320 811 1622 3244 4055 6488 8110 12976 16220 25952 32440 51904 64880 108727 129760 217454 259520 434908 543635 869816 1087270 1739632 2174540 3479264 4349080 6958528 8698160 17396320 34792640 88177597 176355194 352710388 440887985 705420776 881775970 1410841552 1763551940 2821683104 3527103880 5643366208 7054207760 14108415520 28216831040
• Sum of all divisors σ(n): 67274797632
• Sum of proper divisors (its aliquot sum) s(n): 39057966592
• 28216831040 is an abundant number, because the sum of its proper divisors (39057966592) is greater than itself. Its abundance is 10841135552

Bases of 28216831040

• Binary: 11010010001110110101010110001000000₂
• Hexadecimal: 0x691DAAC40
• Base-36: CYNKM68

Squares and roots of 28216831040

• 28216831040 squared (28216831040²) is 796189553939907481600
• 28216831040 cubed (28216831040³) is 22465946119335335721539108864000
• The square root of 28216831040 is 167978.6624544917
• The cube root of 28216831040 is 3044.4072386373

Scales and comparisons

• 28,216,831,040 seconds is equal to 897 years, 10 weeks, 5 days, 16 hours, 37 minutes, 20 seconds.
• To count from 1 to 28,216,831,040 would take you about one thousand, seven hundred ninety-four 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 28216831040 cubic inches would be around 253.7 feet tall.

Recreational maths with 28216831040

• 28216831040 backwards is 04013861282
• The number of decimal digits it has is: 11
• The sum of 28216831040's digits is 35
• More coming soon!