855493782920

Names of 855493782920

• Cardinal: 855493782920 can be written as Eight hundred fifty-five billion, four hundred ninety-three million, seven hundred eighty-two thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 8.5549378292 × 10¹¹

Factors of 855493782920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 596498

Divisors of 855493782920

• 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 5167 10334 20668 25835 36169 41336 51670 72338 103340 144676 180845 206680 289352 361690 591317 723380 1182634 1446760 2365268 2956585 4139219 4730536 5913170 8278438 11826340 16556876 20696095 23652680 33113752 41392190 82784380 165568760 3055334939 6110669878 12221339756 15276674695 21387344573 24442679512 30553349390 42774689146 61106698780 85549378292 106936722865 122213397560 171098756584 213873445730 427746891460 855493782920
• Sum of all divisors σ(n): 2200270625280
• Sum of proper divisors (its aliquot sum) s(n): 1344776842360
• 855493782920 is an abundant number, because the sum of its proper divisors (1344776842360) is greater than itself. Its abundance is 489283059440

Bases of 855493782920

• Binary: 1100011100101111011001110010110110001000₂
• Hexadecimal: 0xC72F672D88
• Base-36: AX0AWRK8

Squares and roots of 855493782920

• 855493782920 squared (855493782920²) is 731869612614772083726400
• 855493782920 cubed (855493782920³) is 626109903500006322580708906273088000
• The square root of 855493782920 is 924929.0691290875
• The cube root of 855493782920 is 9493.0467418055

Scales and comparisons

• 855,493,782,920 seconds is equal to 27,202 years, 2 weeks, 6 days, 9 hours, 55 minutes, 20 seconds.
• To count from 1 to 855,493,782,920 would take you about fifty-four thousand, four hundred 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 855493782920 cubic inches would be around 791.1 feet tall.

Recreational maths with 855493782920

• 855493782920 backwards is 029287394558
• The number of decimal digits it has is: 12
• The sum of 855493782920's digits is 62
• More coming soon!