129712590
129,712,590 is an even composite number composed of five prime numbers multiplied together.
129712590 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of eighty divisors.
Prime factorization of 129712590:
2 × 34 × 5 × 7 × 22877
(2 × 3 × 3 × 3 × 3 × 5 × 7 × 22877)See below for interesting mathematical facts about the number 129712590 from the Numbermatics database.
Names of 129712590
- Cardinal: 129712590 can be written as One hundred twenty-nine million, seven hundred twelve thousand, five hundred ninety.
Scientific notation
- Scientific notation: 1.2971259 × 108
Factors of 129712590
Divisors of 129712590
- Number of divisors d(n): 80
-
Complete list of divisors:
1 2 3 5 6 7 9 10 14 15 18 21 27 30 35 42 45 54 63 70 81 90 105 126 135 162 189 210 270 315 378 405 567 630 810 945 1134 1890 2835 5670 22877 45754 68631 114385 137262 160139 205893 228770 320278 343155 411786 480417 617679 686310 800695 960834 1029465 1235358 1441251 1601390 1853037 2058930 2402085 2882502 3088395 3706074 4323753 4804170 6176790 7206255 8647506 9265185 12971259 14412510 18530370 21618765 25942518 43237530 64856295 129712590
- Sum of all divisors σ(n): 398626272
- Sum of proper divisors (its aliquot sum) s(n): 268913682
- 129712590 is an abundant number, because the sum of its proper divisors (268913682) is greater than itself. Its abundance is 139201092
Bases of 129712590
- Binary: 1111011101101000001110011102
- Hexadecimal: 0x7BB41CE
- Base-36: 2586VI
Squares and roots of 129712590
- 129712590 squared (1297125902) is 16825356004508100
- 129712590 cubed (1297125903) is 2182460505016797326979000
-
The
square root of 129712590 is 11389.1435147687 -
The
cube root of 129712590 is 506.2061031897
Scales and comparisons
How big is 129712590?- 129,712,590 seconds is equal to 4 years, 6 weeks, 3 days, 7 hours, 16 minutes, 30 seconds.
-
To count from 1 to 129,712,590 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 129712590 cubic inches would be around 42.2 feet tall.
Recreational maths with 129712590
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