129960072
129,960,072 is an even composite number composed of five prime numbers multiplied together.
129960072 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 129960072:
23 × 33 × 11 × 83 × 659
(2 × 2 × 2 × 3 × 3 × 3 × 11 × 83 × 659)See below for interesting mathematical facts about the number 129960072 from the Numbermatics database.
Names of 129960072
- Cardinal: 129960072 can be written as One hundred twenty-nine million, nine hundred sixty thousand and seventy-two.
Scientific notation
- Scientific notation: 1.29960072 × 108
Factors of 129960072
Divisors of 129960072
- Number of divisors d(n): 128
-
Complete list of divisors:
1 2 3 4 6 8 9 11 12 18 22 24 27 33 36 44 54 66 72 83 88 99 108 132 166 198 216 249 264 297 332 396 498 594 659 664 747 792 913 996 1188 1318 1494 1826 1977 1992 2241 2376 2636 2739 2988 3652 3954 4482 5272 5478 5931 5976 7249 7304 7908 8217 8964 10956 11862 14498 15816 16434 17793 17928 21747 21912 23724 24651 28996 32868 35586 43494 47448 49302 54697 57992 65241 65736 71172 86988 98604 109394 130482 142344 164091 173976 195723 197208 218788 260964 328182 391446 437576 492273 521928 601667 656364 782892 984546 1203334 1312728 1476819 1565784 1805001 1969092 2406668 2953638 3610002 3938184 4813336 5415003 5907276 7220004 10830006 11814552 14440008 16245009 21660012 32490018 43320024 64980036 129960072
- Sum of all divisors σ(n): 399168000
- Sum of proper divisors (its aliquot sum) s(n): 269207928
- 129960072 is an abundant number, because the sum of its proper divisors (269207928) is greater than itself. Its abundance is 139247856
Bases of 129960072
- Binary: 1111011111100001000100010002
- Hexadecimal: 0x7BF0888
- Base-36: 25DHU0
Squares and roots of 129960072
- 129960072 squared (1299600722) is 16889620314245184
- 129960072 cubed (1299600723) is 2194976272091966738293248
-
The
square root of 129960072 is 11400.0031578943 -
The
cube root of 129960072 is 506.5278332293
Scales and comparisons
How big is 129960072?- 129,960,072 seconds is equal to 4 years, 6 weeks, 6 days, 4 hours, 1 minute, 12 seconds.
-
To count from 1 to 129,960,072 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 129960072 cubic inches would be around 42.2 feet tall.
Recreational maths with 129960072
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