129220672
129,220,672 is an even composite number composed of five prime numbers multiplied together.
129220672 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred sixty-eight divisors.
Prime factorization of 129220672:
26 × 7 × 17 × 192 × 47
(2 × 2 × 2 × 2 × 2 × 2 × 7 × 17 × 19 × 19 × 47)See below for interesting mathematical facts about the number 129220672 from the Numbermatics database.
Names of 129220672
- Cardinal: 129220672 can be written as One hundred twenty-nine million, two hundred twenty thousand, six hundred seventy-two.
Scientific notation
- Scientific notation: 1.29220672 × 108
Factors of 129220672
Divisors of 129220672
- Number of divisors d(n): 168
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Complete list of divisors:
1 2 4 7 8 14 16 17 19 28 32 34 38 47 56 64 68 76 94 112 119 133 136 152 188 224 238 266 272 304 323 329 361 376 448 476 532 544 608 646 658 722 752 799 893 952 1064 1088 1216 1292 1316 1444 1504 1598 1786 1904 2128 2261 2527 2584 2632 2888 3008 3196 3572 3808 4256 4522 5054 5168 5264 5593 5776 6137 6251 6392 7144 7616 8512 9044 10108 10336 10528 11186 11552 12274 12502 12784 14288 15181 16967 18088 20216 20672 21056 22372 23104 24548 25004 25568 28576 30362 33934 36176 40432 42959 44744 49096 50008 51136 57152 60724 67868 72352 80864 85918 89488 98192 100016 106267 118769 121448 135736 144704 161728 171836 178976 196384 200032 212534 237538 242896 271472 288439 343672 357952 392768 400064 425068 475076 485792 542944 576878 687344 850136 950152 971584 1085888 1153756 1374688 1700272 1900304 2019073 2307512 2749376 3400544 3800608 4038146 4615024 6801088 7601216 8076292 9230048 16152584 18460096 32305168 64610336 129220672
- Sum of all divisors σ(n): 334450944
- Sum of proper divisors (its aliquot sum) s(n): 205230272
- 129220672 is an abundant number, because the sum of its proper divisors (205230272) is greater than itself. Its abundance is 76009600
Bases of 129220672
- Binary: 1111011001111000000010000002
- Hexadecimal: 0x7B3C040
- Base-36: 24XNB4
Squares and roots of 129220672
- 129220672 squared (1292206722) is 16697982072131584
- 129220672 cubed (1292206723) is 2157724464404795756904448
-
The
square root of 129220672 is 11367.5270837593 -
The
cube root of 129220672 is 505.5653857893
Scales and comparisons
How big is 129220672?- 129,220,672 seconds is equal to 4 years, 5 weeks, 4 days, 14 hours, 37 minutes, 52 seconds.
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To count from 1 to 129,220,672 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 129220672 cubic inches would be around 42.1 feet tall.
Recreational maths with 129220672
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