129425184
129,425,184 is an even composite number composed of five prime numbers multiplied together.
129425184 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 129425184:
25 × 32 × 7 × 43 × 1493
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 7 × 43 × 1493)See below for interesting mathematical facts about the number 129425184 from the Numbermatics database.
Names of 129425184
- Cardinal: 129425184 can be written as One hundred twenty-nine million, four hundred twenty-five thousand, one hundred eighty-four.
Scientific notation
- Scientific notation: 1.29425184 × 108
Factors of 129425184
Divisors of 129425184
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 43 48 56 63 72 84 86 96 112 126 129 144 168 172 224 252 258 288 301 336 344 387 504 516 602 672 688 774 903 1008 1032 1204 1376 1493 1548 1806 2016 2064 2408 2709 2986 3096 3612 4128 4479 4816 5418 5972 6192 7224 8958 9632 10451 10836 11944 12384 13437 14448 17916 20902 21672 23888 26874 28896 31353 35832 41804 43344 47776 53748 62706 64199 71664 83608 86688 94059 107496 125412 128398 143328 167216 188118 192597 214992 250824 256796 334432 376236 385194 429984 449393 501648 513592 577791 752472 770388 898786 1003296 1027184 1155582 1348179 1504944 1540776 1797572 2054368 2311164 2696358 3009888 3081552 3595144 4044537 4622328 5392716 6163104 7190288 8089074 9244656 10785432 14380576 16178148 18489312 21570864 32356296 43141728 64712592 129425184
- Sum of all divisors σ(n): 430702272
- Sum of proper divisors (its aliquot sum) s(n): 301277088
- 129425184 is an abundant number, because the sum of its proper divisors (301277088) is greater than itself. Its abundance is 171851904
Bases of 129425184
- Binary: 1111011011011011111001000002
- Hexadecimal: 0x7B6DF20
- Base-36: 252140
Squares and roots of 129425184
- 129425184 squared (1294251842) is 16750878253433856
- 129425184 cubed (1294251843) is 2167985500112275444629504
-
The
square root of 129425184 is 11376.5189755039 -
The
cube root of 129425184 is 505.8319574057
Scales and comparisons
How big is 129425184?- 129,425,184 seconds is equal to 4 years, 5 weeks, 6 days, 23 hours, 26 minutes, 24 seconds.
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To count from 1 to 129,425,184 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 129425184 cubic inches would be around 42.2 feet tall.
Recreational maths with 129425184
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