129084997120

Names of 129084997120

• Cardinal: 129084997120 can be written as One hundred twenty-nine billion, eighty-four million, nine hundred ninety-seven thousand, one hundred twenty.

Scientific notation

• Scientific notation: 1.2908499712 × 10¹¹

Factors of 129084997120

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 49035

Divisors of 129084997120

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 512 640 1051 1280 2102 2560 4204 5255 8408 10510 16816 21020 33632 42040 47977 67264 84080 95954 134528 168160 191908 239885 269056 336320 383816 479770 538112 672640 767632 959540 1345280 1535264 1919080 2690560 3070528 3838160 6141056 7676320 12282112 15352640 24564224 30705280 50423827 61410560 100847654 122821120 201695308 252119135 403390616 504238270 806781232 1008476540 1613562464 2016953080 3227124928 4033906160 6454249856 8067812320 12908499712 16135624640 25816999424 32271249280 64542498560 129084997120
• Sum of all divisors σ(n): 309802390128
• Sum of proper divisors (its aliquot sum) s(n): 180717393008
• 129084997120 is an abundant number, because the sum of its proper divisors (180717393008) is greater than itself. Its abundance is 51632395888

Bases of 129084997120

• Binary: 1111000001110000100001011111000000000₂
• Hexadecimal: 0x1E0E10BE00
• Base-36: 1NATVH8G

Squares and roots of 129084997120

• 129084997120 squared (129084997120²) is 16662936481470408294400
• 129084997120 cubed (129084997120³) is 2150935107721350588047848112128000
• The square root of 129084997120 is 359284.0062123555
• The cube root of 129084997120 is 5053.8838484409

Scales and comparisons

• 129,084,997,120 seconds is equal to 4,104 years, 26 weeks, 1 day, 7 hours, 38 minutes, 40 seconds.
• To count from 1 to 129,084,997,120 would take you about eight thousand, two hundred nine 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 129084997120 cubic inches would be around 421.2 feet tall.

Recreational maths with 129084997120

• 129084997120 backwards is 021799480921
• The number of decimal digits it has is: 12
• The sum of 129084997120's digits is 52
• More coming soon!