42105912818125

Names of 42105912818125

• Cardinal: 42105912818125 can be written as Forty-two trillion, one hundred five billion, nine hundred twelve million, eight hundred eighteen thousand, one hundred twenty-five.

Scientific notation

• Scientific notation: 4.2105912818125 × 10¹³

Factors of 42105912818125

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 331

Divisors of 42105912818125

• Number of divisors d(n): 80
• Complete list of divisors:
  1 5 13 25 65 125 169 313 325 625 845 1565 1625 2197 4069 4225 7825 8125 10985 20345 21125 39125 52897 54925 97969 101725 105625 195625 264485 274625 489845 508625 687661 1273597 1322425 1373125 2449225 2543125 3438305 6367985 6612125 12246125 16556761 17191525 30664297 31839925 33060625 61230625 82783805 85957625 153321485 159199625 215237893 398635861 413919025 429788125 766607425 795998125 1076189465 1993179305 2069595125 3833037125 5182266193 5380947325 9965896525 10347975625 19165185625 25911330965 26904736625 49829482625 67369460509 129556654825 134523683125 249147413125 336847302545 647783274125 1684236512725 3238916370625 8421182563625 42105912818125
• Sum of all divisors σ(n): 57180868452400
• Sum of proper divisors (its aliquot sum) s(n): 15074955634275
• 42105912818125 is a deficient number, because the sum of its proper divisors (15074955634275) is less than itself. Its deficiency is 27030957183850

Bases of 42105912818125

• Binary: 1001100100101110001011111110011111100111001101₂
• Hexadecimal: 0x264B8BF9F9CD
• Base-36: EXB6TCKWD

Squares and roots of 42105912818125

• 42105912818125 squared (42105912818125²) is 1772907894247543179328515625
• 42105912818125 cubed (42105912818125³) is 74649905229752630306277961585016845703125
• The square root of 42105912818125 is 6488906.9047201625
• The cube root of 42105912818125 is 34789.4606351375

Scales and comparisons

• 42,105,912,818,125 seconds is equal to 1,338,837 years, 40 weeks, 5 days, 21 hours, 55 minutes, 25 seconds.
• To count from 1 to 42,105,912,818,125 would take you about three million, three hundred forty-seven thousand and ninety-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 42105912818125 cubic inches would be around 2899.1 feet tall.

Recreational maths with 42105912818125

• 42105912818125 backwards is 52181821950124
• The number of decimal digits it has is: 14
• The sum of 42105912818125's digits is 49
• More coming soon!