428139988208

Names of 428139988208

• Cardinal: 428139988208 can be written as Four hundred twenty-eight billion, one hundred thirty-nine million, nine hundred eighty-eight thousand, two hundred eight.

Scientific notation

• Scientific notation: 4.28139988208 × 10¹¹

Factors of 428139988208

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1508

Divisors of 428139988208

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 4 8 16 23 46 92 184 368 529 1058 1483 2116 2966 4232 5932 8464 11864 12167 23728 24334 34109 48668 68218 97336 136436 194672 272872 545744 784507 1569014 2199289 3138028 4398578 6276056 8797156 12552112 17594312 18043661 35188624 36087322 50583647 72174644 101167294 144349288 202334588 288698576 404669176 809338352 1163423881 2326847762 4653695524 9307391048 18614782096 26758749263 53517498526 107034997052 214069994104 428139988208
• Sum of all divisors σ(n): 867808809360
• Sum of proper divisors (its aliquot sum) s(n): 439668821152
• 428139988208 is an abundant number, because the sum of its proper divisors (439668821152) is greater than itself. Its abundance is 11528832944

Bases of 428139988208

• Binary: 110001110101111001000011100010011110000₂
• Hexadecimal: 0x63AF21C4F0
• Base-36: 5GONHT68

Squares and roots of 428139988208

• 428139988208 squared (428139988208²) is 183303849502746379051264
• 428139988208 cubed (428139988208³) is 78479707964586841390622867187494912
• The square root of 428139988208 is 654324.0697146943
• The cube root of 428139988208 is 7536.9435801705

Scales and comparisons

• 428,139,988,208 seconds is equal to 13,613 years, 27 weeks, 2 days, 22 hours, 30 minutes, 8 seconds.
• To count from 1 to 428,139,988,208 would take you about twenty-seven thousand, two hundred twenty-seven 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 428139988208 cubic inches would be around 628.1 feet tall.

Recreational maths with 428139988208

• 428139988208 backwards is 802889931824
• The number of decimal digits it has is: 12
• The sum of 428139988208's digits is 62
• More coming soon!