31718793908990

Names of 31718793908990

• Cardinal: 31718793908990 can be written as Thirty-one trillion, seven hundred eighteen billion, seven hundred ninety-three million, nine hundred eight thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 3.171879390899 × 10¹³

Factors of 31718793908990

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 4726

Divisors of 31718793908990

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 5 10 31 62 113 155 193 226 310 386 565 965 1130 1861 1930 2521 3503 3722 5042 5983 7006 9305 11966 12605 17515 18610 21809 25210 29915 35030 43618 57691 59830 78151 109045 115382 156302 210293 218090 284873 288455 359173 390755 420586 486553 569746 576910 676079 718346 781510 973106 1051465 1352158 1424365 1795865 2102930 2432765 2848730 3380395 3591730 4691581 4865530 6519083 6760790 8831063 9383162 11134363 13038166 15083143 17662126 22268726 23457905 30166286 32595415 40586549 44155315 46915810 54980489 55671815 65190830 75415715 81173098 88310630 109960978 111343630 145439011 150831430 202932745 274902445 290878022 405865490 530148653 549804890 727195055 905475133 1060297306 1258183019 1454390110 1704395159 1810950266 2516366038 2650743265 3408790318 4527375665 5301486530 6290915095 8521975795 9054751330 12581830190 16434608243 17043951590 28069729123 32869216486 56139458246 82173041215 102318690029 140348645615 164346082430 204637380058 280697291230 511593450145 1023186900290 3171879390899 6343758781798 15859396954495 31718793908990
• Sum of all divisors σ(n): 59821021338624
• Sum of proper divisors (its aliquot sum) s(n): 28102227429634
• 31718793908990 is a deficient number, because the sum of its proper divisors (28102227429634) is less than itself. Its deficiency is 3616566479356

Bases of 31718793908990

• Binary: 111001101100100011011011100011001001011111110₂
• Hexadecimal: 0x1CD91B7192FE
• Base-36: B8REUXS72

Squares and roots of 31718793908990

• 31718793908990 squared (31718793908990²) is 1006081887040981124402820100
• 31718793908990 cubed (31718793908990³) is 31911704030620637303221731639058742699000
• The square root of 31718793908990 is 5631944.0612447493
• The cube root of 31718793908990 is 31654.7500319183

Scales and comparisons

• 31,718,793,908,990 seconds is equal to 1,008,559 years, 27 weeks, 5 days, 5 hours, 49 minutes, 50 seconds.
• To count from 1 to 31,718,793,908,990 would take you about two million, five hundred twenty-one thousand, three hundred ninety-eight 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 31718793908990 cubic inches would be around 2637.9 feet tall.

Recreational maths with 31718793908990

• 31718793908990 backwards is 09980939781713
• The number of decimal digits it has is: 14
• The sum of 31718793908990's digits is 74
• More coming soon!