129350144

Names of 129350144

• Cardinal: 129350144 can be written as One hundred twenty-nine million, three hundred fifty thousand, one hundred forty-four.

Scientific notation

• Scientific notation: 1.29350144 × 10⁸

Factors of 129350144

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 230

Divisors of 129350144

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 7 8 11 14 16 17 22 28 32 34 44 56 64 68 77 88 112 119 128 136 154 176 187 193 224 238 256 272 308 352 374 386 448 476 512 544 616 704 748 772 896 952 1088 1232 1309 1351 1408 1496 1544 1792 1904 2123 2176 2464 2618 2702 2816 2992 3088 3281 3584 3808 4246 4352 4928 5236 5404 5632 5984 6176 6562 7616 8492 8704 9856 10472 10808 11968 12352 13124 14861 15232 16984 19712 20944 21616 22967 23936 24704 26248 29722 30464 33968 36091 39424 41888 43232 45934 47872 49408 52496 59444 60928 67936 72182 83776 86464 91868 95744 98816 104992 118888 135872 144364 167552 172928 183736 209984 237776 252637 271744 288728 335104 345856 367472 419968 475552 505274 543488 577456 670208 691712 734944 839936 951104 1010548 1086976 1154912 1469888 1679872 1902208 2021096 2309824 2939776 3804416 4042192 4619648 5879552 7608832 8084384 9239296 11759104 16168768 18478592 32337536 64675072 129350144
• Sum of all divisors σ(n): 342942336
• Sum of proper divisors (its aliquot sum) s(n): 213592192
• 129350144 is an abundant number, because the sum of its proper divisors (213592192) is greater than itself. Its abundance is 84242048

Bases of 129350144

• Binary: 111101101011011101000000000₂
• Hexadecimal: 0x7B5BA00
• Base-36: 250F7K

Squares and roots of 129350144

• 129350144 squared (129350144²) is 16731459752820736
• 129350144 cubed (129350144³) is 2164216728357566607785984
• The square root of 129350144 is 11373.2204761887
• The cube root of 129350144 is 505.7341789897

Scales and comparisons

• 129,350,144 seconds is equal to 4 years, 5 weeks, 6 days, 2 hours, 35 minutes, 44 seconds.
• To count from 1 to 129,350,144 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 129350144 cubic inches would be around 42.1 feet tall.

Recreational maths with 129350144

• 129350144 backwards is 441053921
• The number of decimal digits it has is: 9
• The sum of 129350144's digits is 29
• More coming soon!