1328631640

Names of 1328631640

• Cardinal: 1328631640 can be written as One billion, three hundred twenty-eight million, six hundred thirty-one thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.32863164 × 10⁹

Factors of 1328631640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 5620

Divisors of 1328631640

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 1039 2078 4156 4567 5195 7273 8312 9134 10390 14546 18268 20780 22835 29092 31969 36365 36536 41560 45670 58184 63938 72730 91340 127876 145460 159845 182680 255752 290920 319690 639380 1278760 4745113 9490226 18980452 23725565 33215791 37960904 47451130 66431582 94902260 132863164 166078955 189804520 265726328 332157910 664315820 1328631640
• Sum of all divisors σ(n): 3420518400
• Sum of proper divisors (its aliquot sum) s(n): 2091886760
• 1328631640 is an abundant number, because the sum of its proper divisors (2091886760) is greater than itself. Its abundance is 763255120

Bases of 1328631640

• Binary: 1001111001100010100111101011000₂
• Hexadecimal: 0x4F314F58
• Base-36: LZ16QG

Squares and roots of 1328631640

• 1328631640 squared (1328631640²) is 1765262034809089600
• 1328631640 cubed (1328631640³) is 2345382992338137802154944000
• The square root of 1328631640 is 36450.3997234599
• The cube root of 1328631640 is 1099.3471718647

Scales and comparisons

• 1,328,631,640 seconds is equal to 42 years, 12 weeks, 5 days, 16 hours, 20 minutes, 40 seconds.
• To count from 1 to 1,328,631,640 would take you about eighty-four 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 1328631640 cubic inches would be around 91.6 feet tall.

Recreational maths with 1328631640

• 1328631640 backwards is 0461368231
• The number of decimal digits it has is: 10
• The sum of 1328631640's digits is 34
• More coming soon!