31964385390

Names of 31964385390

• Cardinal: 31964385390 can be written as Thirty-one billion, nine hundred sixty-four million, three hundred eighty-five thousand, three hundred ninety.

Scientific notation

• Scientific notation: 3.196438539 × 10¹⁰

Factors of 31964385390

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 138377

Divisors of 31964385390

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 1109 2218 3327 5545 6654 7763 11090 15526 16635 23289 33270 38815 46578 77630 116445 137251 232890 274502 411753 686255 823506 960757 1372510 1921514 2058765 2882271 4117530 4803785 5764542 9607570 14411355 28822710 152211359 304422718 456634077 761056795 913268154 1065479513 1522113590 2130959026 2283170385 3196438539 4566340770 5327397565 6392877078 10654795130 15982192695 31964385390
• Sum of all divisors σ(n): 87753438720
• Sum of proper divisors (its aliquot sum) s(n): 55789053330
• 31964385390 is an abundant number, because the sum of its proper divisors (55789053330) is greater than itself. Its abundance is 23824667940

Bases of 31964385390

• Binary: 11101110001001110011101000001101110₂
• Hexadecimal: 0x77139D06E
• Base-36: EOMRPM6

Squares and roots of 31964385390

• 31964385390 squared (31964385390²) is 1021721933360445452100
• 31964385390 cubed (31964385390³) is 32658713639349176212997184819000
• The square root of 31964385390 is 178785.8646258143
• The cube root of 31964385390 is 3173.6238611051

Scales and comparisons

• 31,964,385,390 seconds is equal to 1,016 years, 19 weeks, 1 day, 3 hours, 56 minutes, 30 seconds.
• To count from 1 to 31,964,385,390 would take you about two thousand and thirty-two 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 31964385390 cubic inches would be around 264.5 feet tall.

Recreational maths with 31964385390

• 31964385390 backwards is 09358346913
• The number of decimal digits it has is: 11
• The sum of 31964385390's digits is 51
• More coming soon!