129129984
129,129,984 is an even composite number composed of three prime numbers multiplied together.
129129984 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eighty divisors.
Prime factorization of 129129984:
29 × 33 × 9341
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 9341)See below for interesting mathematical facts about the number 129129984 from the Numbermatics database.
Names of 129129984
- Cardinal: 129129984 can be written as One hundred twenty-nine million, one hundred twenty-nine thousand, nine hundred eighty-four.
Scientific notation
- Scientific notation: 1.29129984 × 108
Factors of 129129984
Divisors of 129129984
- Number of divisors d(n): 80
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Complete list of divisors:
1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 96 108 128 144 192 216 256 288 384 432 512 576 768 864 1152 1536 1728 2304 3456 4608 6912 9341 13824 18682 28023 37364 56046 74728 84069 112092 149456 168138 224184 252207 298912 336276 448368 504414 597824 672552 896736 1008828 1195648 1345104 1793472 2017656 2391296 2690208 3586944 4035312 4782592 5380416 7173888 8070624 10760832 14347776 16141248 21521664 32282496 43043328 64564992 129129984
- Sum of all divisors σ(n): 382274640
- Sum of proper divisors (its aliquot sum) s(n): 253144656
- 129129984 is an abundant number, because the sum of its proper divisors (253144656) is greater than itself. Its abundance is 124014672
Bases of 129129984
- Binary: 1111011001001011110000000002
- Hexadecimal: 0x7B25E00
- Base-36: 24VPC0
Squares and roots of 129129984
- 129129984 squared (1291299842) is 16674552767840256
- 129129984 cubed (1291299843) is 2153184732118367971835904
-
The
square root of 129129984 is 11363.5374773879 -
The
cube root of 129129984 is 505.4470882991
Scales and comparisons
How big is 129129984?- 129,129,984 seconds is equal to 4 years, 5 weeks, 3 days, 13 hours, 26 minutes, 24 seconds.
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To count from 1 to 129,129,984 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 129129984 cubic inches would be around 42.1 feet tall.
Recreational maths with 129129984
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