320928128

Names of 320928128

• Cardinal: 320928128 can be written as Three hundred twenty million, nine hundred twenty-eight thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 3.20928128 × 10⁸

Factors of 320928128

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2507253

Divisors of 320928128

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 4 8 16 32 64 128 2507251 5014502 10029004 20058008 40116016 80232032 160464064 320928128
• Sum of all divisors σ(n): 639349260
• Sum of proper divisors (its aliquot sum) s(n): 318421132
• 320928128 is a deficient number, because the sum of its proper divisors (318421132) is less than itself. Its deficiency is 2506996

Bases of 320928128

• Binary: 10011001000001111100110000000₂
• Hexadecimal: 0x1320F980
• Base-36: 5B2LQ8

Squares and roots of 320928128

• 320928128 squared (320928128²) is 102994863341584384
• 320928128 cubed (320928128³) is 33053948685830500911153152
• The square root of 320928128 is 17914.4670029559
• The cube root of 320928128 is 684.6510222697

Scales and comparisons

• 320,928,128 seconds is equal to 10 years, 10 weeks, 4 days, 10 hours, 42 minutes, 8 seconds.
• To count from 1 to 320,928,128 would take you about fifteen 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 320928128 cubic inches would be around 57.1 feet tall.

Recreational maths with 320928128

• 320928128 backwards is 821829023
• The number of decimal digits it has is: 9
• The sum of 320928128's digits is 35
• More coming soon!