20728328316372

Names of 20728328316372

• Cardinal: 20728328316372 can be written as Twenty trillion, seven hundred twenty-eight billion, three hundred twenty-eight million, three hundred sixteen thousand, three hundred seventy-two.

Scientific notation

• Scientific notation: 2.0728328316372 × 10¹³

Factors of 20728328316372

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 8659048

Divisors of 20728328316372

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 9 12 18 36 73 146 219 292 438 657 876 911 1314 1822 2628 2733 3644 5466 8199 10932 16398 32796 66503 133006 199509 266012 399018 598527 798036 1197054 2394108 8658059 17316118 25974177 34632236 51948354 77922531 103896708 155845062 311690124 632038307 1264076614 1896114921 2528153228 3792229842 5688344763 7584459684 7887491749 11376689526 15774983498 22753379052 23662475247 31549966996 47324950494 70987425741 94649900988 141974851482 283949702964 575786897677 1151573795354 1727360693031 2303147590708 3454721386062 5182082079093 6909442772124 10364164158186 20728328316372
• Sum of all divisors σ(n): 53172678948480
• Sum of proper divisors (its aliquot sum) s(n): 32444350632108
• 20728328316372 is an abundant number, because the sum of its proper divisors (32444350632108) is greater than itself. Its abundance is 11716022315736

Bases of 20728328316372

• Binary: 100101101101000110000101001010110010111010100₂
• Hexadecimal: 0x12DA30A565D4
• Base-36: 7CIGNHN10

Squares and roots of 20728328316372

• 20728328316372 squared (20728328316372²) is 429663594791309272123242384
• 20728328316372 cubed (20728328316372³) is 8906208058426880953327921599228391510848
• The square root of 20728328316372 is 4552837.3918219395
• The cube root of 20728328316372 is 27469.7533302517

Scales and comparisons

• 20,728,328,316,372 seconds is equal to 659,096 years, 37 weeks, 4 days, 8 hours, 46 minutes, 12 seconds.
• To count from 1 to 20,728,328,316,372 would take you about one million, six hundred forty-seven thousand, seven hundred forty-one 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 20728328316372 cubic inches would be around 2289.1 feet tall.

Recreational maths with 20728328316372

• 20728328316372 backwards is 27361382382702
• The number of decimal digits it has is: 14
• The sum of 20728328316372's digits is 54
• More coming soon!