129393264

Names of 129393264

• Cardinal: 129393264 can be written as One hundred twenty-nine million, three hundred ninety-three thousand, two hundred sixty-four.

Scientific notation

• Scientific notation: 1.29393264 × 10⁸

Factors of 129393264

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2729

Divisors of 129393264

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 6 7 8 11 12 13 14 16 21 22 24 26 28 33 39 42 44 48 52 56 66 77 78 84 88 91 104 112 132 143 154 156 168 176 182 208 231 264 273 286 308 312 336 364 429 462 528 546 572 616 624 728 858 924 1001 1092 1144 1232 1456 1716 1848 2002 2184 2288 2693 3003 3432 3696 4004 4368 5386 6006 6864 8008 8079 10772 12012 16016 16158 18851 21544 24024 29623 32316 35009 37702 43088 48048 56553 59246 64632 70018 75404 88869 105027 113106 118492 129264 140036 150808 177738 207361 210054 226212 236984 245063 280072 301616 355476 385099 414722 420108 452424 473968 490126 560144 622083 710952 735189 770198 829444 840216 904848 980252 1155297 1244166 1421904 1470378 1540396 1658888 1680432 1960504 2310594 2488332 2695693 2940756 3080792 3317776 3921008 4621188 4976664 5391386 5881512 6161584 8087079 9242376 9953328 10782772 11763024 16174158 18484752 21565544 32348316 43131088 64696632 129393264
• Sum of all divisors σ(n): 448971264
• Sum of proper divisors (its aliquot sum) s(n): 319578000
• 129393264 is an abundant number, because the sum of its proper divisors (319578000) is greater than itself. Its abundance is 190184736

Bases of 129393264

• Binary: 111101101100110001001110000₂
• Hexadecimal: 0x7B66270
• Base-36: 251CHC

Squares and roots of 129393264

• 129393264 squared (129393264²) is 16742616768573696
• 129393264 cubed (129393264³) is 2166381831586883149983744
• The square root of 129393264 is 11375.1159994087
• The cube root of 129393264 is 505.7903697149

Scales and comparisons

• 129,393,264 seconds is equal to 4 years, 5 weeks, 6 days, 14 hours, 34 minutes, 24 seconds.
• To count from 1 to 129,393,264 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 129393264 cubic inches would be around 42.1 feet tall.

Recreational maths with 129393264

• 129393264 backwards is 462393921
• 129393264 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 129393264's digits is 39
• More coming soon!