19429067728

Names of 19429067728

• Cardinal: 19429067728 can be written as Nineteen billion, four hundred twenty-nine million, sixty-seven thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.9429067728 × 10¹⁰

Factors of 19429067728

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 9130229

Divisors of 19429067728

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 4 7 8 14 16 19 28 38 56 76 112 133 152 266 304 532 1064 2128 9130201 18260402 36520804 63911407 73041608 127822814 146083216 173473819 255645628 346947638 511291256 693895276 1022582512 1214316733 1387790552 2428633466 2775581104 4857266932 9714533864 19429067728
• Sum of all divisors σ(n): 45285801920
• Sum of proper divisors (its aliquot sum) s(n): 25856734192
• 19429067728 is an abundant number, because the sum of its proper divisors (25856734192) is greater than itself. Its abundance is 6427666464

Bases of 19429067728

• Binary: 10010000110000100000000101111010000₂
• Hexadecimal: 0x486100BD0
• Base-36: 8XBKCLS

Squares and roots of 19429067728

• 19429067728 squared (19429067728²) is 377488672779211081984
• 19429067728 cubed (19429067728³) is 7334252989980122102275296612352
• The square root of 19429067728 is 139388.1907766939
• The cube root of 19429067728 is 2688.3387211627

Scales and comparisons

• 19,429,067,728 seconds is equal to 617 years, 40 weeks, 5 days, 11 hours, 15 minutes, 28 seconds.
• To count from 1 to 19,429,067,728 would take you about one thousand, two hundred thirty-five 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 19429067728 cubic inches would be around 224 feet tall.

Recreational maths with 19429067728

• 19429067728 backwards is 82776092491
• The number of decimal digits it has is: 11
• The sum of 19429067728's digits is 55
• More coming soon!