31213475719155

Names of 31213475719155

• Cardinal: 31213475719155 can be written as Thirty-one trillion, two hundred thirteen billion, four hundred seventy-five million, seven hundred nineteen thousand, one hundred fifty-five.

Scientific notation

• Scientific notation: 3.1213475719155 × 10¹³

Factors of 31213475719155

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 318

Divisors of 31213475719155

• Number of divisors d(n): 80
• Complete list of divisors:
  1 3 5 9 15 27 45 53 135 159 257 265 477 771 795 1285 1431 2313 2385 3855 6939 7155 11565 13621 34695 40863 66049 68105 122589 198147 204315 330245 367767 594441 612945 990735 1783323 1838835 2972205 3500597 8916615 10501791 16974593 17502985 31505373 50923779 52508955 84872965 94516119 152771337 157526865 254618895 458314011 472580595 763856685 899653429 2291570055 2698960287 4362470401 4498267145 8096880861 13087411203 13494801435 21812352005 24290642583 39262233609 40484404305 65437056015 117786700827 121453212915 196311168045 231210931253 588933504135 693632793759 1156054656265 2080898381277 3468163968795 6242695143831 10404491906385 31213475719155
• Sum of all divisors σ(n): 56758466460960
• Sum of proper divisors (its aliquot sum) s(n): 25544990741805
• 31213475719155 is a deficient number, because the sum of its proper divisors (25544990741805) is less than itself. Its deficiency is 5668484977350

Bases of 31213475719155

• Binary: 111000110001101110100001000011110011111110011₂
• Hexadecimal: 0x1C637421E7F3
• Base-36: B2B9TJ9IR

Squares and roots of 31213475719155

• 31213475719155 squared (31213475719155²) is 974281066470278744433914025
• 31213475719155 cubed (31213475719155³) is 30410698411902484189852675024858315648875
• The square root of 31213475719155 is 5586902.1576500693
• The cube root of 31213475719155 is 31485.7500740209

Scales and comparisons

• 31,213,475,719,155 seconds is equal to 992,491 years, 50 weeks, 6 days, 1 hour, 59 minutes, 15 seconds.
• To count from 1 to 31,213,475,719,155 would take you about two million, four hundred eighty-one thousand, two hundred twenty-nine 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 31213475719155 cubic inches would be around 2623.8 feet tall.

Recreational maths with 31213475719155

• 31213475719155 backwards is 55191757431213
• The number of decimal digits it has is: 14
• The sum of 31213475719155's digits is 54
• More coming soon!