31980821090

Names of 31980821090

• Cardinal: 31980821090 can be written as Thirty-one billion, nine hundred eighty million, eight hundred twenty-one thousand and ninety.

Scientific notation

• Scientific notation: 3.198082109 × 10¹⁰

Factors of 31980821090

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 10377

Divisors of 31980821090

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 5 10 17 19 31 34 38 62 85 95 155 170 190 310 323 527 589 646 961 1054 1178 1615 1922 2635 2945 3230 4805 5270 5890 9610 10013 10303 16337 18259 20026 20606 32674 36518 50065 51515 81685 91295 100130 103030 163370 175151 182590 195757 310403 319393 350302 391514 620806 638786 875755 978785 1552015 1596965 1751510 1957570 3104030 3193930 3327869 5429681 6068467 6655738 9901183 10859362 12136934 16639345 19802366 27148405 30342335 33278690 49505915 54296810 60684670 99011830 103163939 168320111 188122477 206327878 336640222 376244954 515819695 841600555 940612385 1031639390 1683201110 1881224770 3198082109 6396164218 15990410545 31980821090
• Sum of all divisors σ(n): 66302530560
• Sum of proper divisors (its aliquot sum) s(n): 34321709470
• 31980821090 is an abundant number, because the sum of its proper divisors (34321709470) is greater than itself. Its abundance is 2340888380

Bases of 31980821090

• Binary: 11101110010001101001001101001100010₂
• Hexadecimal: 0x772349A62
• Base-36: EOWJZHE

Squares and roots of 31980821090

• 31980821090 squared (31980821090²) is 1022772917590588788100
• 31980821090 cubed (31980821090³) is 32709117693161933899986021029000
• The square root of 31980821090 is 178831.8234822873
• The cube root of 31980821090 is 3174.1677142245

Scales and comparisons

• 31,980,821,090 seconds is equal to 1,016 years, 46 weeks, 2 days, 9 hours, 24 minutes, 50 seconds.
• To count from 1 to 31,980,821,090 would take you about two thousand and thirty-three 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 31980821090 cubic inches would be around 264.5 feet tall.

Recreational maths with 31980821090

• 31980821090 backwards is 09012808913
• The number of decimal digits it has is: 11
• The sum of 31980821090's digits is 41
• More coming soon!