129769472
129,769,472 is an even composite number composed of four prime numbers multiplied together.
129769472 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred twelve divisors.
Prime factorization of 129769472:
213 × 7 × 31 × 73
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 7 × 31 × 73)See below for interesting mathematical facts about the number 129769472 from the Numbermatics database.
Names of 129769472
- Cardinal: 129769472 can be written as One hundred twenty-nine million, seven hundred sixty-nine thousand, four hundred seventy-two.
Scientific notation
- Scientific notation: 1.29769472 × 108
Factors of 129769472
Divisors of 129769472
- Number of divisors d(n): 112
-
Complete list of divisors:
1 2 4 7 8 14 16 28 31 32 56 62 64 73 112 124 128 146 217 224 248 256 292 434 448 496 511 512 584 868 896 992 1022 1024 1168 1736 1792 1984 2044 2048 2263 2336 3472 3584 3968 4088 4096 4526 4672 6944 7168 7936 8176 8192 9052 9344 13888 14336 15841 15872 16352 18104 18688 27776 28672 31682 31744 32704 36208 37376 55552 57344 63364 63488 65408 72416 74752 111104 126728 126976 130816 144832 149504 222208 253456 253952 261632 289664 299008 444416 506912 523264 579328 598016 888832 1013824 1046528 1158656 1777664 2027648 2093056 2317312 4055296 4186112 4634624 8110592 9269248 16221184 18538496 32442368 64884736 129769472
- Sum of all divisors σ(n): 310359552
- Sum of proper divisors (its aliquot sum) s(n): 180590080
- 129769472 is an abundant number, because the sum of its proper divisors (180590080) is greater than itself. Its abundance is 50820608
Bases of 129769472
- Binary: 1111011110000100000000000002
- Hexadecimal: 0x7BC2000
- Base-36: 259ERK
Squares and roots of 129769472
- 129769472 squared (1297694722) is 16840115863158784
- 129769472 cubed (1297694723) is 2185332943980939651842048
-
The
square root of 129769472 is 11391.6404437641 -
The
cube root of 129769472 is 506.2800867757
Scales and comparisons
How big is 129769472?- 129,769,472 seconds is equal to 4 years, 6 weeks, 3 days, 23 hours, 4 minutes, 32 seconds.
-
To count from 1 to 129,769,472 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 129769472 cubic inches would be around 42.2 feet tall.
Recreational maths with 129769472
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