129429216
129,429,216 is an even composite number composed of six prime numbers multiplied together.
129429216 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 129429216:
25 × 32 × 7 × 19 × 31 × 109
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 7 × 19 × 31 × 109)See below for interesting mathematical facts about the number 129429216 from the Numbermatics database.
Names of 129429216
- Cardinal: 129429216 can be written as One hundred twenty-nine million, four hundred twenty-nine thousand, two hundred sixteen.
Scientific notation
- Scientific notation: 1.29429216 × 108
Factors of 129429216
Divisors of 129429216
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 16 18 19 21 24 28 31 32 36 38 42 48 56 57 62 63 72 76 84 93 96 109 112 114 124 126 133 144 152 168 171 186 217 218 224 228 248 252 266 279 288 304 327 336 342 372 399 434 436 456 496 504 532 558 589 608 651 654 672 684 744 763 798 868 872 912 981 992 1008 1064 1116 1178 1197 1302 1308 1368 1488 1526 1596 1736 1744 1767 1824 1953 1962 2016 2071 2128 2232 2289 2356 2394 2604 2616 2736 2976 3052 3192 3379 3472 3488 3534 3906 3924 4123 4142 4256 4464 4578 4712 4788 5208 5232 5301 5472 6104 6213 6384 6758 6867 6944 7068 7812 7848 8246 8284 8928 9156 9424 9576 10137 10416 10464 10602 12208 12369 12426 12768 13516 13734 14136 14497 15624 15696 16492 16568 18312 18639 18848 19152 20274 20832 21204 23653 24416 24738 24852 27032 27468 28272 28994 30411 31248 31392 32984 33136 36624 37107 37278 38304 40548 42408 43491 47306 49476 49704 54064 54936 56544 57988 60822 62496 64201 65968 66272 70959 73248 74214 74556 81096 84816 86982 94612 98952 99408 108128 109872 115976 121644 128402 130473 131936 141918 148428 149112 162192 169632 173964 189224 192603 197904 198816 212877 219744 231952 243288 256804 260946 283836 296856 298224 324384 347928 378448 385206 395808 425754 449407 463904 486576 513608 521892 567672 577809 593712 596448 695856 756896 770412 851508 898814 973152 1027216 1043784 1135344 1155618 1187424 1348221 1391712 1540824 1703016 1797628 2054432 2087568 2270688 2311236 2696442 3081648 3406032 3595256 4044663 4175136 4622472 5392884 6163296 6812064 7190512 8089326 9244944 10785768 14381024 16178652 18489888 21571536 32357304 43143072 64714608 129429216
- Sum of all divisors σ(n): 461260800
- Sum of proper divisors (its aliquot sum) s(n): 331831584
- 129429216 is an abundant number, because the sum of its proper divisors (331831584) is greater than itself. Its abundance is 202402368
Bases of 129429216
- Binary: 1111011011011101110111000002
- Hexadecimal: 0x7B6EEE0
- Base-36: 252480
Squares and roots of 129429216
- 129429216 squared (1294292162) is 16751921954374656
- 129429216 cubed (1294292163) is 2168188125047899496349696
-
The
square root of 129429216 is 11376.6961812295 -
The
cube root of 129429216 is 505.8372101013
Scales and comparisons
How big is 129429216?- 129,429,216 seconds is equal to 4 years, 6 weeks, 33 minutes, 36 seconds.
-
To count from 1 to 129,429,216 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 129429216 cubic inches would be around 42.2 feet tall.
Recreational maths with 129429216
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