3978972212267381

Names of 3978972212267381

• Cardinal: 3978972212267381 can be written as Three quadrillion, nine hundred seventy-eight trillion, nine hundred seventy-two billion, two hundred twelve million, two hundred sixty-seven thousand, three hundred eighty-one.

Scientific notation

• Scientific notation: 3.978972212267381 × 10¹⁵

Factors of 3978972212267381

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 35236

Divisors of 3978972212267381

• Number of divisors d(n): 96
• Complete list of divisors:
  1 7 49 61 71 73 427 497 511 2989 3479 3577 4331 4453 5183 10453 24571 30317 31171 36281 73171 171997 212219 218197 253967 316163 512197 637633 742163 763069 1203979 1498831 1744541 1793683 2213141 4463431 5195141 5341483 10491817 12211787 12555781 15491987 31244017 36365987 37390381 45271943 46547209 54177899 73442719 85482509 87890467 106417001 109414663 127351493 256840663 316903601 325830463 379245293 744919007 765902641 891460451 1797884641 2218325207 2280813241 2654717051 3304851839 5214433049 5361318487 6240223157 7768441073 12585192487 15667280443 18235687073 18749368399 23133962873 54379087511 109670963101 127649809511 131245578793 161937740111 380653612577 767696741707 893548666577 918719051551 1112376911453 1143711472339 1331205156329 7786638380171 8005980306373 9318436094303 54506468661197 56041862144611 65229052660121 81203514536069 568424601752483 3978972212267381
• Sum of all divisors σ(n): 4836751374456576
• Sum of proper divisors (its aliquot sum) s(n): 857779162189195
• 3978972212267381 is a deficient number, because the sum of its proper divisors (857779162189195) is less than itself. Its deficiency is 3121193050078186

Bases of 3978972212267381

• Binary: 1110001000101101101010101001010010001000100101110101₂
• Hexadecimal: 0xE22DAA9488975
• Base-36: 136FELL5Z05

Squares and roots of 3978972212267381

• 3978972212267381 squared (3978972212267381²) is 15832219865995976082105036599161
• 3978972212267381 cubed (3978972212267381³) is 62995962905305587314502441174113928305052267341
• The square root of 3978972212267381 is 63079094.8909968191
• The cube root of 3978972212267381 is 158461.4535695619

Scales and comparisons

• 3,978,972,212,267,381 seconds is equal to 126,519,008 years, 30 weeks, 1 day, 11 hours, 9 minutes, 41 seconds.
• To count from 1 to 3,978,972,212,267,381 would take you about three hundred seventy-nine million, five hundred fifty-seven thousand and twenty-five 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 3978972212267381 cubic inches would be around 13205.1 feet tall.

Recreational maths with 3978972212267381

• 3978972212267381 backwards is 1837622122798793
• The number of decimal digits it has is: 16
• The sum of 3978972212267381's digits is 77
• More coming soon!