129841272120

Names of 129841272120

• Cardinal: 129841272120 can be written as One hundred twenty-nine billion, eight hundred forty-one million, two hundred seventy-two thousand, one hundred twenty.

Scientific notation

• Scientific notation: 1.2984127212 × 10¹¹

Factors of 129841272120

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 22081866

Divisors of 129841272120

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 49 56 60 70 84 98 105 120 140 147 168 196 210 245 280 294 392 420 490 588 735 840 980 1176 1470 1960 2940 5880 22081849 44163698 66245547 88327396 110409245 132491094 154572943 176654792 220818490 264982188 309145886 331227735 441636980 463718829 529964376 618291772 662455470 772864715 883273960 927437658 1082010601 1236583544 1324910940 1545729430 1854875316 2164021202 2318594145 2649821880 3091458860 3246031803 3709750632 4328042404 4637188290 5410053005 6182917720 6492063606 8656084808 9274376580 10820106010 12984127212 16230159015 18548753160 21640212020 25968254424 32460318030 43280424040 64920636060 129841272120
• Sum of all divisors σ(n): 453119562000
• Sum of proper divisors (its aliquot sum) s(n): 323278289880
• 129841272120 is an abundant number, because the sum of its proper divisors (323278289880) is greater than itself. Its abundance is 193437017760

Bases of 129841272120

• Binary: 1111000111011001001001001010100111000₂
• Hexadecimal: 0x1E3B249538
• Base-36: 1NNC52RC

Squares and roots of 129841272120

• 129841272120 squared (129841272120²) is 16858755945739889294400
• 129841272120 cubed (129841272120³) is 2188962318355480920612865192128000
• The square root of 129841272120 is 360334.9443503921
• The cube root of 129841272120 is 5063.7344275599

Scales and comparisons

• 129,841,272,120 seconds is equal to 4,128 years, 28 weeks, 4 days, 12 hours, 2 minutes.
• To count from 1 to 129,841,272,120 would take you about eight thousand, two hundred fifty-seven 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 129841272120 cubic inches would be around 422 feet tall.

Recreational maths with 129841272120

• 129841272120 backwards is 021272148921
• The number of decimal digits it has is: 12
• The sum of 129841272120's digits is 39
• More coming soon!