31993728309807

Names of 31993728309807

• Cardinal: 31993728309807 can be written as Thirty-one trillion, nine hundred ninety-three billion, seven hundred twenty-eight million, three hundred nine thousand, eight hundred seven.

Scientific notation

• Scientific notation: 3.1993728309807 × 10¹³

Factors of 31993728309807

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1944

Divisors of 31993728309807

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 11 29 33 87 121 319 363 841 957 1901 2523 3509 5703 9251 10527 20911 24389 27753 55129 62733 73167 101761 165387 230021 268279 305283 606419 690063 804837 1598741 1819257 2951069 3613801 4796223 6670609 8853207 10841403 17586151 20011827 39751811 46363489 52758453 104800229 119255433 139090467 193447661 314400687 437269921 509998379 580342983 1152802519 1311809763 1529995137 3039206641 3458407557 5609982169 9117619923 12680827709 16829946507 33431273051 38042483127 88136992589 100293819153 264410977767 367744003561 969506918479 1103232010683 2908520755437 10664576103269 31993728309807
• Sum of all divisors σ(n): 48588973938960
• Sum of proper divisors (its aliquot sum) s(n): 16595245629153
• 31993728309807 is a deficient number, because the sum of its proper divisors (16595245629153) is less than itself. Its deficiency is 15398482680654

Bases of 31993728309807

• Binary: 111010001100100011110110011111001101000101111₂
• Hexadecimal: 0x1D191ECF9A2F
• Base-36: BC9PRS5KF

Squares and roots of 31993728309807

• 31993728309807 squared (31993728309807²) is 1023598651161745876972377249
• 31993728309807 cubed (31993728309807³) is 32748737143553808913442706125075550380943
• The square root of 31993728309807 is 5656299.8779950661
• The cube root of 31993728309807 is 31745.9468022625

Scales and comparisons

• 31,993,728,309,807 seconds is equal to 1,017,301 years, 31 weeks, 8 hours, 43 minutes, 27 seconds.
• To count from 1 to 31,993,728,309,807 would take you about two million, five hundred forty-three thousand, two hundred fifty-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 31993728309807 cubic inches would be around 2645.5 feet tall.

Recreational maths with 31993728309807

• 31993728309807 backwards is 70890382739913
• The number of decimal digits it has is: 14
• The sum of 31993728309807's digits is 69
• More coming soon!