129829726125

Names of 129829726125

• Cardinal: 129829726125 can be written as One hundred twenty-nine billion, eight hundred twenty-nine million, seven hundred twenty-six thousand, one hundred twenty-five.

Scientific notation

• Scientific notation: 1.29829726125 × 10¹¹

Factors of 129829726125

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 5255

Divisors of 129829726125

• Number of divisors d(n): 160
• Complete list of divisors:
  1 3 5 9 11 15 25 27 33 45 55 75 81 99 125 135 165 225 233 275 297 375 405 495 675 699 825 891 1125 1165 1375 1485 2025 2097 2475 2563 3375 3495 4125 4455 5003 5825 6291 7425 7689 10125 10485 12375 12815 15009 17475 18873 22275 23067 25015 29125 31455 37125 38445 45027 52425 55033 64075 69201 75045 87375 94365 111375 115335 125075 135081 157275 165099 192225 207603 225135 262125 275165 320375 346005 375225 405243 471825 495297 576675 625375 675405 786375 825495 961125 1038015 1125675 1165699 1375825 1485891 1730025 1876125 2026215 2359125 2476485 2883375 3377025 3497097 4127475 4457673 5190075 5628375 5828495 6879125 7429455 8650125 10131075 10491291 12382425 12822689 16885125 17485485 20637375 22288365 25950375 29142475 31473873 37147275 38468067 50655375 52456455 61912125 64113445 87427425 94421619 111441825 115404201 145712375 157369365 185736375 192340335 262282275 320567225 346212603 437137125 472108095 557209125 577021005 786846825 961701675 1038637809 1311411375 1602836125 1731063015 2360540475 2885105025 3934234125 4808508375 5193189045 8655315075 11802702375 14425525125 25965945225 43276575375 129829726125
• Sum of all divisors σ(n): 265231055232
• Sum of proper divisors (its aliquot sum) s(n): 135401329107
• 129829726125 is an abundant number, because the sum of its proper divisors (135401329107) is greater than itself. Its abundance is 5571602982

Bases of 129829726125

• Binary: 1111000111010011101000110011110101101₂
• Hexadecimal: 0x1E3A7467AD
• Base-36: 1NN59LT9

Squares and roots of 129829726125

• 129829726125 squared (129829726125²) is 16855757785692507515625
• 129829726125 cubed (129829726125³) is 2188378416945794694218097908203125
• The square root of 129829726125 is 360318.9227961807
• The cube root of 129829726125 is 5063.5843274041

Scales and comparisons

• 129,829,726,125 seconds is equal to 4,128 years, 9 weeks, 3 days, 20 hours, 48 minutes, 45 seconds.
• To count from 1 to 129,829,726,125 would take you about eight thousand, two hundred fifty-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 129829726125 cubic inches would be around 422 feet tall.

Recreational maths with 129829726125

• 129829726125 backwards is 521627928921
• The number of decimal digits it has is: 12
• The sum of 129829726125's digits is 54
• More coming soon!