129996558320

Names of 129996558320

• Cardinal: 129996558320 can be written as One hundred twenty-nine billion, nine hundred ninety-six million, five hundred fifty-eight thousand, three hundred twenty.

Scientific notation

• Scientific notation: 1.2999655832 × 10¹¹

Factors of 129996558320

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 7227

Divisors of 129996558320

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 5 8 10 16 20 40 61 80 122 244 305 488 610 976 1220 2440 3721 4880 7159 7442 14318 14884 18605 28636 29768 35795 37210 57272 59536 71590 74420 114544 143180 148840 226981 286360 297680 436699 453962 572720 873398 907924 1134905 1746796 1815848 2183495 2269810 3493592 3631696 4366990 4539620 6987184 8733980 9079240 17467960 18158480 26638639 34935920 53277278 106554556 133193195 213109112 266386390 426218224 532772780 1065545560 1624956979 2131091120 3249913958 6499827916 8124784895 12999655832 16249569790 25999311664 32499139580 64998279160 129996558320
• Sum of all divisors σ(n): 307322264640
• Sum of proper divisors (its aliquot sum) s(n): 177325706320
• 129996558320 is an abundant number, because the sum of its proper divisors (177325706320) is greater than itself. Its abundance is 47329148000

Bases of 129996558320

• Binary: 1111001000100011001100000111111110000₂
• Hexadecimal: 0x1E44660FF0
• Base-36: 1NPWLECW

Squares and roots of 129996558320

• 129996558320 squared (129996558320²) is 16899105175045161222400
• 129996558320 cubed (129996558320³) is 2196825511443572109481524090368000
• The square root of 129996558320 is 360550.3547633809
• The cube root of 129996558320 is 5065.7523139569

Scales and comparisons

• 129,996,558,320 seconds is equal to 4,133 years, 25 weeks, 2 days, 19 hours, 5 minutes, 20 seconds.
• To count from 1 to 129,996,558,320 would take you about eight thousand, two hundred sixty-six 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 129996558320 cubic inches would be around 422.1 feet tall.

Recreational maths with 129996558320

• 129996558320 backwards is 023855699921
• The number of decimal digits it has is: 12
• The sum of 129996558320's digits is 59
• More coming soon!