129163520
129,163,520 is an even composite number composed of five prime numbers multiplied together.
129163520 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 129163520:
28 × 5 × 19 × 47 × 113
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 19 × 47 × 113)See below for interesting mathematical facts about the number 129163520 from the Numbermatics database.
Names of 129163520
- Cardinal: 129163520 can be written as One hundred twenty-nine million, one hundred sixty-three thousand, five hundred twenty.
Scientific notation
- Scientific notation: 1.2916352 × 108
Factors of 129163520
Divisors of 129163520
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 4 5 8 10 16 19 20 32 38 40 47 64 76 80 94 95 113 128 152 160 188 190 226 235 256 304 320 376 380 452 470 565 608 640 752 760 893 904 940 1130 1216 1280 1504 1520 1786 1808 1880 2147 2260 2432 3008 3040 3572 3616 3760 4294 4465 4520 4864 5311 6016 6080 7144 7232 7520 8588 8930 9040 10622 10735 12032 12160 14288 14464 15040 17176 17860 18080 21244 21470 24320 26555 28576 28928 30080 34352 35720 36160 42488 42940 53110 57152 60160 68704 71440 72320 84976 85880 100909 106220 114304 137408 142880 144640 169952 171760 201818 212440 228608 274816 285760 339904 343520 403636 424880 504545 549632 571520 679808 687040 807272 849760 1009090 1143040 1359616 1374080 1614544 1699520 2018180 2748160 3229088 3399040 4036360 6458176 6798080 8072720 12916352 16145440 25832704 32290880 64581760 129163520
- Sum of all divisors σ(n): 335543040
- Sum of proper divisors (its aliquot sum) s(n): 206379520
- 129163520 is an abundant number, because the sum of its proper divisors (206379520) is greater than itself. Its abundance is 77216000
Bases of 129163520
- Binary: 1111011001011100001000000002
- Hexadecimal: 0x7B2E100
- Base-36: 24WF7K
Squares and roots of 129163520
- 129163520 squared (1291635202) is 16683214898790400
- 129163520 cubed (1291635203) is 2154862761244211806208000
-
The
square root of 129163520 is 11365.0129784351 -
The
cube root of 129163520 is 505.4908406119
Scales and comparisons
How big is 129163520?- 129,163,520 seconds is equal to 4 years, 5 weeks, 3 days, 22 hours, 45 minutes, 20 seconds.
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To count from 1 to 129,163,520 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 129163520 cubic inches would be around 42.1 feet tall.
Recreational maths with 129163520
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