129712480
129,712,480 is an even composite number composed of four prime numbers multiplied together.
129712480 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 129712480:
25 × 5 × 472 × 367
(2 × 2 × 2 × 2 × 2 × 5 × 47 × 47 × 367)See below for interesting mathematical facts about the number 129712480 from the Numbermatics database.
Names of 129712480
- Cardinal: 129712480 can be written as One hundred twenty-nine million, seven hundred twelve thousand, four hundred eighty.
Scientific notation
- Scientific notation: 1.2971248 × 108
Factors of 129712480
Divisors of 129712480
- Number of divisors d(n): 72
-
Complete list of divisors:
1 2 4 5 8 10 16 20 32 40 47 80 94 160 188 235 367 376 470 734 752 940 1468 1504 1835 1880 2209 2936 3670 3760 4418 5872 7340 7520 8836 11045 11744 14680 17249 17672 22090 29360 34498 35344 44180 58720 68996 70688 86245 88360 137992 172490 176720 275984 344980 353440 551968 689960 810703 1379920 1621406 2759840 3242812 4053515 6485624 8107030 12971248 16214060 25942496 32428120 64856240 129712480
- Sum of all divisors σ(n): 313957728
- Sum of proper divisors (its aliquot sum) s(n): 184245248
- 129712480 is an abundant number, because the sum of its proper divisors (184245248) is greater than itself. Its abundance is 54532768
Bases of 129712480
- Binary: 1111011101101000001011000002
- Hexadecimal: 0x7BB4160
- Base-36: 2586SG
Squares and roots of 129712480
- 129712480 squared (1297124802) is 16825327467750400
- 129712480 cubed (1297124803) is 2182454952654024404992000
-
The
square root of 129712480 is 11389.1386856075 -
The
cube root of 129712480 is 506.2059600973
Scales and comparisons
How big is 129712480?- 129,712,480 seconds is equal to 4 years, 6 weeks, 3 days, 7 hours, 14 minutes, 40 seconds.
-
To count from 1 to 129,712,480 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 129712480 cubic inches would be around 42.2 feet tall.
Recreational maths with 129712480
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