129344626920

Names of 129344626920

• Cardinal: 129344626920 can be written as One hundred twenty-nine billion, three hundred forty-four million, six hundred twenty-six thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.2934462692 × 10¹¹

Factors of 129344626920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 570103

Divisors of 129344626920

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 20 24 30 31 40 60 61 62 93 120 122 124 155 183 186 244 248 305 310 366 372 465 488 610 620 732 744 915 930 1220 1240 1464 1830 1860 1891 2440 3660 3720 3782 5673 7320 7564 9455 11346 15128 18910 22692 28365 37820 45384 56730 75640 113460 226920 570001 1140002 1710003 2280004 2850005 3420006 4560008 5700010 6840012 8550015 11400020 13680024 17100030 17670031 22800040 34200060 34770061 35340062 53010093 68400120 69540122 70680124 88350155 104310183 106020186 139080244 141360248 173850305 176700310 208620366 212040372 265050465 278160488 347700610 353400620 417240732 424080744 521550915 530100930 695401220 706801240 834481464 1043101830 1060201860 1077871891 1390802440 2086203660 2120403720 2155743782 3233615673 4172407320 4311487564 5389359455 6467231346 8622975128 10778718910 12934462692 16168078365 21557437820 25868925384 32336156730 43114875640 64672313460 129344626920
• Sum of all divisors σ(n): 407118228480
• Sum of proper divisors (its aliquot sum) s(n): 277773601560
• 129344626920 is an abundant number, because the sum of its proper divisors (277773601560) is greater than itself. Its abundance is 148428974640

Bases of 129344626920

• Binary: 1111000011101100010100110000011101000₂
• Hexadecimal: 0x1E1D8A60E8
• Base-36: 1NF4G8VC

Squares and roots of 129344626920

• 129344626920 squared (129344626920²) is 16730032513073988686400
• 129344626920 cubed (129344626920³) is 2163939813763025088998708877888000
• The square root of 129344626920 is 359645.1402702391
• The cube root of 129344626920 is 5057.2698864731

Scales and comparisons

• 129,344,626,920 seconds is equal to 4,112 years, 39 weeks, 3 days, 7 hours, 2 minutes.
• To count from 1 to 129,344,626,920 would take you about eight thousand, two hundred 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 129344626920 cubic inches would be around 421.4 feet tall.

Recreational maths with 129344626920

• 129344626920 backwards is 029626443921
• The number of decimal digits it has is: 12
• The sum of 129344626920's digits is 48
• More coming soon!