129988672
129,988,672 is an even composite number composed of four prime numbers multiplied together.
129988672 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of fifty-six divisors.
Prime factorization of 129988672:
26 × 11 × 29 × 6367
(2 × 2 × 2 × 2 × 2 × 2 × 11 × 29 × 6367)See below for interesting mathematical facts about the number 129988672 from the Numbermatics database.
Names of 129988672
- Cardinal: 129988672 can be written as One hundred twenty-nine million, nine hundred eighty-eight thousand, six hundred seventy-two.
Scientific notation
- Scientific notation: 1.29988672 × 108
Factors of 129988672
Divisors of 129988672
- Number of divisors d(n): 56
-
Complete list of divisors:
1 2 4 8 11 16 22 29 32 44 58 64 88 116 176 232 319 352 464 638 704 928 1276 1856 2552 5104 6367 10208 12734 20416 25468 50936 70037 101872 140074 184643 203744 280148 369286 407488 560296 738572 1120592 1477144 2031073 2241184 2954288 4062146 4482368 5908576 8124292 11817152 16248584 32497168 64994336 129988672
- Sum of all divisors σ(n): 291144960
- Sum of proper divisors (its aliquot sum) s(n): 161156288
- 129988672 is an abundant number, because the sum of its proper divisors (161156288) is greater than itself. Its abundance is 31167616
Bases of 129988672
- Binary: 1111011111101111000010000002
- Hexadecimal: 0x7BF7840
- Base-36: 25E3WG
Squares and roots of 129988672
- 129988672 squared (1299886722) is 16897054848323584
- 129988672 cubed (1299886723) is 2196425720444744110440448
-
The
square root of 129988672 is 11401.2574745069 -
The
cube root of 129988672 is 506.5649872907
Scales and comparisons
How big is 129988672?- 129,988,672 seconds is equal to 4 years, 6 weeks, 6 days, 11 hours, 57 minutes, 52 seconds.
-
To count from 1 to 129,988,672 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 129988672 cubic inches would be around 42.2 feet tall.
Recreational maths with 129988672
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