129950512

Names of 129950512

• Cardinal: 129950512 can be written as One hundred twenty-nine million, nine hundred fifty thousand, five hundred twelve.

Scientific notation

• Scientific notation: 1.29950512 × 10⁸

Factors of 129950512

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 240

Divisors of 129950512

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 8 16 31 37 62 73 74 97 124 146 148 194 248 292 296 388 496 584 592 776 1147 1168 1552 2263 2294 2701 3007 3589 4526 4588 5402 6014 7081 7178 9052 9176 10804 12028 14162 14356 18104 18352 21608 24056 28324 28712 36208 43216 48112 56648 57424 83731 111259 113296 167462 219511 222518 261997 334924 439022 445036 523994 669848 878044 890072 1047988 1339696 1756088 1780144 2095976 3512176 4191952 8121907 16243814 32487628 64975256 129950512
• Sum of all divisors σ(n): 273371392
• Sum of proper divisors (its aliquot sum) s(n): 143420880
• 129950512 is an abundant number, because the sum of its proper divisors (143420880) is greater than itself. Its abundance is 13470368

Bases of 129950512

• Binary: 111101111101110001100110000₂
• Hexadecimal: 0x7BEE330
• Base-36: 25DAGG

Squares and roots of 129950512

• 129950512 squared (129950512²) is 16887135569062144
• 129950512 cubed (129950512³) is 2194491913413036972617728
• The square root of 129950512 is 11399.5838520535
• The cube root of 129950512 is 506.5154126841

Scales and comparisons

• 129,950,512 seconds is equal to 4 years, 6 weeks, 6 days, 1 hour, 21 minutes, 52 seconds.
• To count from 1 to 129,950,512 would take you about 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 129950512 cubic inches would be around 42.2 feet tall.

Recreational maths with 129950512

• 129950512 backwards is 215059921
• The number of decimal digits it has is: 9
• The sum of 129950512's digits is 34
• More coming soon!