129426444
129,426,444 is an even composite number composed of five prime numbers multiplied together.
129426444 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 129426444:
22 × 33 × 72 × 37 × 661
(2 × 2 × 3 × 3 × 3 × 7 × 7 × 37 × 661)See below for interesting mathematical facts about the number 129426444 from the Numbermatics database.
Names of 129426444
- Cardinal: 129426444 can be written as One hundred twenty-nine million, four hundred twenty-six thousand, four hundred forty-four.
Scientific notation
- Scientific notation: 1.29426444 × 108
Factors of 129426444
Divisors of 129426444
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 6 7 9 12 14 18 21 27 28 36 37 42 49 54 63 74 84 98 108 111 126 147 148 189 196 222 252 259 294 333 378 441 444 518 588 661 666 756 777 882 999 1036 1322 1323 1332 1554 1764 1813 1983 1998 2331 2644 2646 3108 3626 3966 3996 4627 4662 5292 5439 5949 6993 7252 7932 9254 9324 10878 11898 13881 13986 16317 17847 18508 21756 23796 24457 27762 27972 32389 32634 35694 41643 48914 48951 55524 64778 65268 71388 73371 83286 97167 97828 97902 124929 129556 146742 166572 171199 194334 195804 220113 249858 291501 293484 342398 388668 440226 499716 513597 583002 660339 684796 874503 880452 1027194 1166004 1198393 1320678 1540791 1749006 2054388 2396786 2641356 3081582 3498012 3595179 4622373 4793572 6163164 7190358 9244746 10785537 14380716 18489492 21571074 32356611 43142148 64713222 129426444
- Sum of all divisors σ(n): 401489760
- Sum of proper divisors (its aliquot sum) s(n): 272063316
- 129426444 is an abundant number, because the sum of its proper divisors (272063316) is greater than itself. Its abundance is 142636872
Bases of 129426444
- Binary: 1111011011011100100000011002
- Hexadecimal: 0x7B6E40C
- Base-36: 252230
Squares and roots of 129426444
- 129426444 squared (1294264442) is 16751204406485136
- 129426444 cubed (1294264443) is 2168048819048501691336384
-
The
square root of 129426444 is 11376.5743525897 -
The
cube root of 129426444 is 505.8335988847
Scales and comparisons
How big is 129426444?- 129,426,444 seconds is equal to 4 years, 5 weeks, 6 days, 23 hours, 47 minutes, 24 seconds.
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To count from 1 to 129,426,444 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 129426444 cubic inches would be around 42.2 feet tall.
Recreational maths with 129426444
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