320478394992

Names of 320478394992

• Cardinal: 320478394992 can be written as Three hundred twenty billion, four hundred seventy-eight million, three hundred ninety-four thousand, nine hundred ninety-two.

Scientific notation

• Scientific notation: 3.20478394992 × 10¹¹

Factors of 320478394992

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 19465415

Divisors of 320478394992

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 49 56 84 98 112 147 168 196 294 336 343 392 588 686 784 1029 1176 1372 2058 2352 2744 4116 5488 8232 16464 19465403 38930806 58396209 77861612 116792418 136257821 155723224 233584836 272515642 311446448 408773463 467169672 545031284 817546926 934339344 953804747 1090062568 1635093852 1907609494 2180125136 2861414241 3270187704 3815218988 5722828482 6540375408 6676633229 7630437976 11445656964 13353266458 15260875952 20029899687 22891313928 26706532916 40059799374 45782627856 53413065832 80119598748 106826131664 160239197496 320478394992
• Sum of all divisors σ(n): 965484038400
• Sum of proper divisors (its aliquot sum) s(n): 645005643408
• 320478394992 is an abundant number, because the sum of its proper divisors (645005643408) is greater than itself. Its abundance is 324527248416

Bases of 320478394992

• Binary: 100101010011110000000000011101001110000₂
• Hexadecimal: 0x4A9E003A70
• Base-36: 4384K86O

Squares and roots of 320478394992

• 320478394992 squared (320478394992²) is 102706401656648370680064
• 320478394992 cubed (320478394992³) is 32915182758326359701658782251839488
• The square root of 320478394992 is 566108.1124590957
• The cube root of 320478394992 is 6843.3106059287

Scales and comparisons

• 320,478,394,992 seconds is equal to 10,190 years, 11 weeks, 3 days, 16 hours, 23 minutes, 12 seconds.
• To count from 1 to 320,478,394,992 would take you about twenty thousand, three hundred eighty 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 320478394992 cubic inches would be around 570.3 feet tall.

Recreational maths with 320478394992

• 320478394992 backwards is 299493874023
• The number of decimal digits it has is: 12
• The sum of 320478394992's digits is 60
• More coming soon!