216421819728

Names of 216421819728

• Cardinal: 216421819728 can be written as Two hundred sixteen billion, four hundred twenty-one million, eight hundred nineteen thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 2.16421819728 × 10¹¹

Factors of 216421819728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 425726

Divisors of 216421819728

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 6 8 12 16 23 24 46 48 69 92 138 184 276 368 461 552 922 1104 1383 1844 2766 3688 5532 7376 10603 11064 21206 22128 31809 42412 63618 84824 127236 169648 254472 425237 508944 850474 1275711 1700948 2551422 3401896 5102844 6803792 9780451 10205688 19560902 20411376 29341353 39121804 58682706 78243608 117365412 156487216 196034257 234730824 392068514 469461648 588102771 784137028 1176205542 1568274056 2352411084 3136548112 4508787911 4704822168 9017575822 9409644336 13526363733 18035151644 27052727466 36070303288 54105454932 72140606576 108210909864 216421819728
• Sum of all divisors σ(n): 584664829056
• Sum of proper divisors (its aliquot sum) s(n): 368243009328
• 216421819728 is an abundant number, because the sum of its proper divisors (368243009328) is greater than itself. Its abundance is 151821189600

Bases of 216421819728

• Binary: 11001001100011101111101110010101010000₂
• Hexadecimal: 0x3263BEE550
• Base-36: 2RF7YOUO

Squares and roots of 216421819728

• 216421819728 squared (216421819728²) is 46838404054378929993984
• 216421819728 cubed (216421819728³) is 10136852638604021096159537372516352
• The square root of 216421819728 is 465211.5859778215
• The cube root of 216421819728 is 6003.9031985119

Scales and comparisons

• 216,421,819,728 seconds is equal to 6,881 years, 28 weeks, 2 days, 4 hours, 8 minutes, 48 seconds.
• To count from 1 to 216,421,819,728 would take you about thirteen thousand, seven hundred sixty-three 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 216421819728 cubic inches would be around 500.3 feet tall.

Recreational maths with 216421819728

• 216421819728 backwards is 827918124612
• The number of decimal digits it has is: 12
• The sum of 216421819728's digits is 51
• More coming soon!