428347745072

Names of 428347745072

• Cardinal: 428347745072 can be written as Four hundred twenty-eight billion, three hundred forty-seven million, seven hundred forty-five thousand and seventy-two.

Scientific notation

• Scientific notation: 4.28347745072 × 10¹¹

Factors of 428347745072

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 29005215

Divisors of 428347745072

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 4 8 13 16 26 52 71 104 142 208 284 568 923 1136 1846 3692 7384 14768 29005129 58010258 116020516 232041032 377066677 464082064 754133354 1508266708 2059364159 3016533416 4118728318 6033066832 8237456636 16474913272 26771734067 32949826544 53543468134 107086936268 214173872536 428347745072
• Sum of all divisors σ(n): 906352302240
• Sum of proper divisors (its aliquot sum) s(n): 478004557168
• 428347745072 is an abundant number, because the sum of its proper divisors (478004557168) is greater than itself. Its abundance is 49656812096

Bases of 428347745072

• Binary: 110001110111011100000111110001100110000₂
• Hexadecimal: 0x63BB83E330
• Base-36: 5GS36RE8

Squares and roots of 428347745072

• 428347745072 squared (428347745072²) is 183481790708267100285184
• 428347745072 cubed (428347745072³) is 78594011311658854195842654530613248
• The square root of 428347745072 is 654482.8073158225
• The cube root of 428347745072 is 7538.1624950073

Scales and comparisons

• 428,347,745,072 seconds is equal to 13,620 years, 6 weeks, 6 days, 12 hours, 44 minutes, 32 seconds.
• To count from 1 to 428,347,745,072 would take you about twenty-seven thousand, two hundred forty 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 428347745072 cubic inches would be around 628.2 feet tall.

Recreational maths with 428347745072

• 428347745072 backwards is 270547743824
• The number of decimal digits it has is: 12
• The sum of 428347745072's digits is 53
• More coming soon!