31809059820

Names of 31809059820

• Cardinal: 31809059820 can be written as Thirty-one billion, eight hundred nine million, fifty-nine thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 3.180905982 × 10¹⁰

Factors of 31809059820

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1250

Divisors of 31809059820

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 53 60 90 106 159 180 212 265 318 477 530 636 795 954 1060 1187 1590 1908 2374 2385 2809 3180 3561 4748 4770 5618 5935 7122 8427 9540 10683 11236 11870 14045 14244 16854 17805 21366 23740 25281 28090 33708 35610 42135 42732 50562 53415 56180 62911 71220 84270 101124 106830 125822 126405 148877 168540 188733 213660 251644 252810 297754 314555 377466 446631 505620 566199 595508 629110 744385 754932 893262 943665 1132398 1258220 1339893 1488770 1786524 1887330 2233155 2264796 2679786 2830995 2977540 3334283 3774660 4466310 5359572 5661990 6668566 6699465 8932620 10002849 11323980 13337132 13398930 16671415 20005698 26797860 30008547 33342830 40011396 50014245 60017094 66685660 100028490 120034188 150042735 176716999 200056980 300085470 353433998 530150997 600170940 706867996 883584995 1060301994 1590452991 1767169990 2120603988 2650754985 3180905982 3534339980 5301509970 6361811964 7952264955 10603019940 15904529910 31809059820
• Sum of all divisors σ(n): 98425847520
• Sum of proper divisors (its aliquot sum) s(n): 66616787700
• 31809059820 is an abundant number, because the sum of its proper divisors (66616787700) is greater than itself. Its abundance is 34807727880

Bases of 31809059820

• Binary: 11101100111111101111011101111101100₂
• Hexadecimal: 0x767F7BBEC
• Base-36: EM2AJN0

Squares and roots of 31809059820

• 31809059820 squared (31809059820²) is 1011816286632338432400
• 31809059820 cubed (31809059820³) is 32184924788338319542696626168000
• The square root of 31809059820 is 178350.9456661219
• The cube root of 31809059820 is 3168.4749476839

Scales and comparisons

• 31,809,059,820 seconds is equal to 1,011 years, 22 weeks, 2 days, 9 hours, 57 minutes.
• To count from 1 to 31,809,059,820 would take you about two thousand and twenty-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 31809059820 cubic inches would be around 264 feet tall.

Recreational maths with 31809059820

• 31809059820 backwards is 02895090813
• 31809059820 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 31809059820's digits is 45
• More coming soon!