428946802640

Names of 428946802640

• Cardinal: 428946802640 can be written as Four hundred twenty-eight billion, nine hundred forty-six million, eight hundred two thousand, six hundred forty.

Scientific notation

• Scientific notation: 4.2894680264 × 10¹¹

Factors of 428946802640

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 706833

Divisors of 428946802640

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 4 5 8 10 16 20 40 80 7669 15338 30676 38345 61352 76690 122704 153380 306760 613520 699157 1398314 2796628 3495785 5593256 6991570 11186512 13983140 27966280 55932560 5361835033 10723670066 21447340132 26809175165 42894680264 53618350330 85789360528 107236700660 214473401320 428946802640
• Sum of all divisors σ(n): 997432785960
• Sum of proper divisors (its aliquot sum) s(n): 568485983320
• 428946802640 is an abundant number, because the sum of its proper divisors (568485983320) is greater than itself. Its abundance is 139539180680

Bases of 428946802640

• Binary: 110001111011111001110001100011111010000₂
• Hexadecimal: 0x63DF38C7D0
• Base-36: 5H1ZUN68

Squares and roots of 428946802640

• 428946802640 squared (428946802640²) is 183995359495079110969600
• 428946802640 cubed (428946802640³) is 78924221156011549464263670239744000
• The square root of 428946802640 is 654940.3046385219
• The cube root of 428946802640 is 7541.6749758665

Scales and comparisons

• 428,946,802,640 seconds is equal to 13,639 years, 9 weeks, 3 days, 1 hour, 37 minutes, 20 seconds.
• To count from 1 to 428,946,802,640 would take you about twenty-seven thousand, two hundred seventy-eight 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 428946802640 cubic inches would be around 628.5 feet tall.

Recreational maths with 428946802640

• 428946802640 backwards is 046208649824
• The number of decimal digits it has is: 12
• The sum of 428946802640's digits is 53
• More coming soon!