31993481790

Names of 31993481790

• Cardinal: 31993481790 can be written as Thirty-one billion, nine hundred ninety-three million, four hundred eighty-one thousand, seven hundred ninety.

Scientific notation

• Scientific notation: 3.199348179 × 10¹⁰

Factors of 31993481790

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 140936

Divisors of 31993481790

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 27 29 30 45 54 58 87 90 135 145 174 261 270 290 435 522 783 841 870 1305 1566 1682 2523 2610 3915 4205 5046 7569 7830 8410 12615 15138 22707 25230 37845 45414 75690 113535 140897 227070 281794 422691 704485 845382 1268073 1408970 2113455 2536146 3804219 4086013 4226910 6340365 7608438 8172026 12258039 12680730 19021095 20430065 24516078 36774117 38042190 40860130 61290195 73548234 110322351 118494377 122580390 183870585 220644702 236988754 355483131 367741170 551611755 592471885 710966262 1066449393 1103223510 1184943770 1777415655 2132898786 3199348179 3554831310 5332246965 6398696358 10664493930 15996740895 31993481790
• Sum of all divisors σ(n): 88359953760
• Sum of proper divisors (its aliquot sum) s(n): 56366471970
• 31993481790 is an abundant number, because the sum of its proper divisors (56366471970) is greater than itself. Its abundance is 24372990180

Bases of 31993481790

• Binary: 11101110010111101011100101000111110₂
• Hexadecimal: 0x772F5CA3E
• Base-36: EP43CJI

Squares and roots of 31993481790

• 31993481790 squared (31993481790²) is 1023582877047061604100
• 31993481790 cubed (31993481790³) is 32747980137360974403781539339000
• The square root of 31993481790 is 178867.2183213011
• The cube root of 31993481790 is 3174.5865265191

Scales and comparisons

• 31,993,481,790 seconds is equal to 1,017 years, 15 weeks, 1 day, 22 hours, 16 minutes, 30 seconds.
• To count from 1 to 31,993,481,790 would take you about two thousand and thirty-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 31993481790 cubic inches would be around 264.5 feet tall.

Recreational maths with 31993481790

• 31993481790 backwards is 09718439913
• 31993481790 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 31993481790's digits is 54
• More coming soon!