129398472
129,398,472 is an even composite number composed of five prime numbers multiplied together.
129398472 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 129398472:
23 × 35 × 7 × 37 × 257
(2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 7 × 37 × 257)See below for interesting mathematical facts about the number 129398472 from the Numbermatics database.
Names of 129398472
- Cardinal: 129398472 can be written as One hundred twenty-nine million, three hundred ninety-eight thousand, four hundred seventy-two.
Scientific notation
- Scientific notation: 1.29398472 × 108
Factors of 129398472
Divisors of 129398472
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 18 21 24 27 28 36 37 42 54 56 63 72 74 81 84 108 111 126 148 162 168 189 216 222 243 252 257 259 296 324 333 378 444 486 504 514 518 567 648 666 756 771 777 888 972 999 1028 1036 1134 1332 1512 1542 1554 1701 1799 1944 1998 2056 2072 2268 2313 2331 2664 2997 3084 3108 3402 3598 3996 4536 4626 4662 5397 5994 6168 6216 6804 6939 6993 7196 7992 8991 9252 9324 9509 10794 11988 13608 13878 13986 14392 16191 17982 18504 18648 19018 20817 20979 21588 23976 27756 27972 28527 32382 35964 38036 41634 41958 43176 48573 55512 55944 57054 62451 62937 64764 66563 71928 76072 83268 83916 85581 97146 114108 124902 125874 129528 133126 145719 166536 167832 171162 194292 199689 228216 249804 251748 256743 266252 291438 342324 388584 399378 437157 499608 503496 513486 532504 582876 599067 684648 770229 798756 874314 1026972 1165752 1198134 1540458 1597512 1748628 1797201 2053944 2310687 2396268 3080916 3497256 3594402 4621374 4792536 5391603 6161832 7188804 9242748 10783206 14377608 16174809 18485496 21566412 32349618 43132824 64699236 129398472
- Sum of all divisors σ(n): 428238720
- Sum of proper divisors (its aliquot sum) s(n): 298840248
- 129398472 is an abundant number, because the sum of its proper divisors (298840248) is greater than itself. Its abundance is 169441776
Bases of 129398472
- Binary: 1111011011001110110110010002
- Hexadecimal: 0x7B676C8
- Base-36: 251GI0
Squares and roots of 129398472
- 129398472 squared (1293984722) is 16743964555934784
- 129398472 cubed (1293984723) is 2166643428760119581250048
-
The
square root of 129398472 is 11375.3449178475 -
The
cube root of 129398472 is 505.7971555419
Scales and comparisons
How big is 129398472?- 129,398,472 seconds is equal to 4 years, 5 weeks, 6 days, 16 hours, 1 minute, 12 seconds.
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To count from 1 to 129,398,472 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 129398472 cubic inches would be around 42.1 feet tall.
Recreational maths with 129398472
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The information we have on file for 129398472 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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