129673305440

Names of 129673305440

• Cardinal: 129673305440 can be written as One hundred twenty-nine billion, six hundred seventy-three million, three hundred five thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.2967330544 × 10¹¹

Factors of 129673305440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 40232

Divisors of 129673305440

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 70 80 112 140 160 224 280 560 1120 3121 6242 12484 15605 21847 24968 31210 37097 43694 49936 62420 74194 87388 99872 109235 124840 148388 174776 185485 218470 249680 259679 296776 349552 370970 436940 499360 519358 593552 699104 741940 873880 1038716 1187104 1298395 1483880 1747760 2077432 2596790 2967760 3495520 4154864 5193580 5935520 8309728 10387160 20774320 41548640 115779737 231559474 463118948 578898685 810458159 926237896 1157797370 1620916318 1852475792 2315594740 3241832636 3704951584 4052290795 4631189480 6483665272 8104581590 9262378960 12967330544 16209163180 18524757920 25934661088 32418326360 64836652720 129673305440
• Sum of all divisors σ(n): 350239546944
• Sum of proper divisors (its aliquot sum) s(n): 220566241504
• 129673305440 is an abundant number, because the sum of its proper divisors (220566241504) is greater than itself. Its abundance is 90892936064

Bases of 129673305440

• Binary: 1111000110001001000011001110101100000₂
• Hexadecimal: 0x1E31219D60
• Base-36: 1NKK4YU8

Squares and roots of 129673305440

• 129673305440 squared (129673305440²) is 16815166143735533593600
• 129673305440 cubed (129673305440³) is 2180478175380964790264273629184000
• The square root of 129673305440 is 360101.7987180847
• The cube root of 129673305440 is 5061.5499509007

Scales and comparisons

• 129,673,305,440 seconds is equal to 4,123 years, 10 weeks, 6 days, 10 hours, 37 minutes, 20 seconds.
• To count from 1 to 129,673,305,440 would take you about eight thousand, two hundred forty-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 129673305440 cubic inches would be around 421.8 feet tall.

Recreational maths with 129673305440

• 129673305440 backwards is 044503376921
• The number of decimal digits it has is: 12
• The sum of 129673305440's digits is 44
• More coming soon!