129960740
129,960,740 is an even composite number composed of five prime numbers multiplied together.
129960740 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred eight divisors.
Prime factorization of 129960740:
22 × 5 × 72 × 13 × 1012
(2 × 2 × 5 × 7 × 7 × 13 × 101 × 101)See below for interesting mathematical facts about the number 129960740 from the Numbermatics database.
Names of 129960740
- Cardinal: 129960740 can be written as One hundred twenty-nine million, nine hundred sixty thousand, seven hundred forty.
Scientific notation
- Scientific notation: 1.2996074 × 108
Factors of 129960740
Divisors of 129960740
- Number of divisors d(n): 108
-
Complete list of divisors:
1 2 4 5 7 10 13 14 20 26 28 35 49 52 65 70 91 98 101 130 140 182 196 202 245 260 364 404 455 490 505 637 707 910 980 1010 1274 1313 1414 1820 2020 2548 2626 2828 3185 3535 4949 5252 6370 6565 7070 9191 9898 10201 12740 13130 14140 18382 19796 20402 24745 26260 36764 40804 45955 49490 51005 64337 71407 91910 98980 102010 128674 132613 142814 183820 204020 257348 265226 285628 321685 357035 499849 530452 643370 663065 714070 928291 999698 1286740 1326130 1428140 1856582 1999396 2499245 2652260 3713164 4641455 4998490 6498037 9282910 9996980 12996074 18565820 25992148 32490185 64980370 129960740
- Sum of all divisors σ(n): 345315348
- Sum of proper divisors (its aliquot sum) s(n): 215354608
- 129960740 is an abundant number, because the sum of its proper divisors (215354608) is greater than itself. Its abundance is 85393868
Bases of 129960740
- Binary: 1111011111100001011001001002
- Hexadecimal: 0x7BF0B24
- Base-36: 25DICK
Squares and roots of 129960740
- 129960740 squared (1299607402) is 16889793941347600
- 129960740 cubed (1299607403) is 2195010119065050693224000
-
The
square root of 129960740 is 11400.0324560941 -
The
cube root of 129960740 is 506.5287010857
Scales and comparisons
How big is 129960740?- 129,960,740 seconds is equal to 4 years, 6 weeks, 6 days, 4 hours, 12 minutes, 20 seconds.
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To count from 1 to 129,960,740 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 129960740 cubic inches would be around 42.2 feet tall.
Recreational maths with 129960740
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