428764728125

Names of 428764728125

• Cardinal: 428764728125 can be written as Four hundred twenty-eight billion, seven hundred sixty-four million, seven hundred twenty-eight thousand, one hundred twenty-five.

Scientific notation

• Scientific notation: 4.28764728125 × 10¹¹

Factors of 428764728125

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 577

Divisors of 428764728125

• Number of divisors d(n): 96
• Complete list of divisors:
  1 5 25 29 113 125 145 149 281 565 625 725 745 1405 2825 3125 3277 3625 3725 4321 7025 8149 14125 16385 16837 18125 18625 21605 31753 35125 40745 41869 70625 81925 84185 90625 93125 108025 158765 175625 203725 209345 353125 409625 420925 465625 488273 540125 793825 878125 920837 1018625 1046725 1214201 2048125 2104625 2441365 2700625 3969125 4604185 4731197 5093125 5233625 6071005 10240625 10523125 12206825 13503125 19845625 23020925 23655985 25465625 26168125 30355025 52615625 61034125 99228125 115104625 118279925 130840625 137204713 151775125 305170625 575523125 591399625 686023565 758875625 1525853125 2877615625 2956998125 3430117825 3794378125 14784990625 17150589125 85752945625 428764728125
• Sum of all divisors σ(n): 565065396000
• Sum of proper divisors (its aliquot sum) s(n): 136300667875
• 428764728125 is a deficient number, because the sum of its proper divisors (136300667875) is less than itself. Its deficiency is 292464060250

Bases of 428764728125

• Binary: 110001111010100010111101000101100111101₂
• Hexadecimal: 0x63D45E8B3D
• Base-36: 5GYZG5KT

Squares and roots of 428764728125

• 428764728125 squared (428764728125²) is 183839192084105166015625
• 428764728125 cubed (428764728125³) is 78823761212661003640597442626953125
• The square root of 428764728125 is 654801.2890373687
• The cube root of 428764728125 is 7540.6077563907

Scales and comparisons

• 428,764,728,125 seconds is equal to 13,633 years, 20 weeks, 2 days, 17 hours, 22 minutes, 5 seconds.
• To count from 1 to 428,764,728,125 would take you about twenty-seven thousand, two hundred sixty-six 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 428764728125 cubic inches would be around 628.4 feet tall.

Recreational maths with 428764728125

• 428764728125 backwards is 521827467824
• The number of decimal digits it has is: 12
• The sum of 428764728125's digits is 56
• More coming soon!