142761278435020721

Names of 142761278435020721

• Cardinal: 142761278435020721 can be written as One hundred forty-two quadrillion, seven hundred sixty-one trillion, two hundred seventy-eight billion, four hundred thirty-five million, twenty thousand, seven hundred twenty-one.

Scientific notation

• Scientific notation: 1.42761278435020721 × 10¹⁷

Factors of 142761278435020721

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 583

Divisors of 142761278435020721

• Number of divisors d(n): 64
• Complete list of divisors:
  1 7 49 197 343 379 1379 2653 9653 18571 38809 67571 74663 129997 143641 271663 522641 1005487 1901641 3658487 7038409 7645373 13311487 14708611 25609409 28297277 49268863 53517611 54439939 102960277 198080939 374623277 381079573 720721939 1386566573 2622362939 2667557011 2897596367 5045053573 5574563569 9705966011 10724667983 18672899077 20283174569 39021944983 75072675881 141982221983 273153614881 525508731167 993875553881 1098189023093 1912075304167 2112759592651 3678561118169 7687323161651 14789317148557 53811262131557 103525220039899 376678834920899 416213639752247 724676540279293 2913495478265729 20394468347860103 142761278435020721
• Sum of all divisors σ(n): 167777556217920000
• Sum of proper divisors (its aliquot sum) s(n): 25016277782899279
• 142761278435020721 is a deficient number, because the sum of its proper divisors (25016277782899279) is less than itself. Its deficiency is 117745000652121442

Bases of 142761278435020721

• Binary: 111111011001100001010000001011000110011001100111110110001₂
• Hexadecimal: 0x1FB30A058CCCFB1
• Base-36: 131ONDX58DKH

Squares and roots of 142761278435020721

• 142761278435020721 squared (142761278435020721²) is 20380782620401512362125903699359841
• 142761278435020721 cubed (142761278435020721³) is 2909586582394771528021228026287962403108883270265361
• The square root of 142761278435020721 is 377837635.0167102147
• 142761278435020721 is a perfect cube number. Its cube root is 522641

Scales and comparisons

• 142,761,278,435,020,721 seconds is equal to 4,539,367,064 years, 31 weeks, 3 days, 10 hours, 38 minutes, 41 seconds.
• To count from 1 to 142,761,278,435,020,721 would take you about thirteen billion, six hundred eighteen million, one hundred one thousand, one hundred ninety-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 142761278435020721 cubic inches would be around 43553.4 feet tall.

Recreational maths with 142761278435020721

• 142761278435020721 backwards is 127020534872167241
• The number of decimal digits it has is: 18
• The sum of 142761278435020721's digits is 62
• More coming soon!