129988480
129,988,480 is an even composite number composed of four prime numbers multiplied together.
129988480 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 129988480:
27 × 5 × 197 × 1031
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 197 × 1031)See below for interesting mathematical facts about the number 129988480 from the Numbermatics database.
Names of 129988480
- Cardinal: 129988480 can be written as One hundred twenty-nine million, nine hundred eighty-eight thousand, four hundred eighty.
Scientific notation
- Scientific notation: 1.2998848 × 108
Factors of 129988480
Divisors of 129988480
- Number of divisors d(n): 64
-
Complete list of divisors:
1 2 4 5 8 10 16 20 32 40 64 80 128 160 197 320 394 640 788 985 1031 1576 1970 2062 3152 3940 4124 5155 6304 7880 8248 10310 12608 15760 16496 20620 25216 31520 32992 41240 63040 65984 82480 126080 131968 164960 203107 329920 406214 659840 812428 1015535 1624856 2031070 3249712 4062140 6499424 8124280 12998848 16248560 25997696 32497120 64994240 129988480
- Sum of all divisors σ(n): 312634080
- Sum of proper divisors (its aliquot sum) s(n): 182645600
- 129988480 is an abundant number, because the sum of its proper divisors (182645600) is greater than itself. Its abundance is 52657120
Bases of 129988480
- Binary: 1111011111101110111100000002
- Hexadecimal: 0x7BF7780
- Base-36: 25E3R4
Squares and roots of 129988480
- 129988480 squared (1299884802) is 16897004932710400
- 129988480 cubed (1299884803) is 2196415987755527176192000
-
The
square root of 129988480 is 11401.2490543799 -
The
cube root of 129988480 is 506.5647378831
Scales and comparisons
How big is 129988480?- 129,988,480 seconds is equal to 4 years, 6 weeks, 6 days, 11 hours, 54 minutes, 40 seconds.
-
To count from 1 to 129,988,480 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 129988480 cubic inches would be around 42.2 feet tall.
Recreational maths with 129988480
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