129028080
129,028,080 is an even composite number composed of five prime numbers multiplied together.
129028080 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 129028080:
24 × 3 × 5 × 421 × 1277
(2 × 2 × 2 × 2 × 3 × 5 × 421 × 1277)See below for interesting mathematical facts about the number 129028080 from the Numbermatics database.
Names of 129028080
- Cardinal: 129028080 can be written as One hundred twenty-nine million, twenty-eight thousand and eighty.
Scientific notation
- Scientific notation: 1.2902808 × 108
Factors of 129028080
Divisors of 129028080
- Number of divisors d(n): 80
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 421 842 1263 1277 1684 2105 2526 2554 3368 3831 4210 5052 5108 6315 6385 6736 7662 8420 10104 10216 12630 12770 15324 16840 19155 20208 20432 25260 25540 30648 33680 38310 50520 51080 61296 76620 101040 102160 153240 306480 537617 1075234 1612851 2150468 2688085 3225702 4300936 5376170 6451404 8064255 8601872 10752340 12902808 16128510 21504680 25805616 32257020 43009360 64514040 129028080
- Sum of all divisors σ(n): 401251104
- Sum of proper divisors (its aliquot sum) s(n): 272223024
- 129028080 is an abundant number, because the sum of its proper divisors (272223024) is greater than itself. Its abundance is 143194944
Bases of 129028080
- Binary: 1111011000011001111111100002
- Hexadecimal: 0x7B0CFF0
- Base-36: 24TIPC
Squares and roots of 129028080
- 129028080 squared (1290280802) is 16648245428486400
- 129028080 cubed (1290280803) is 2148091143006377498112000
-
The
square root of 129028080 is 11359.0527774107 -
The
cube root of 129028080 is 505.3140940515
Scales and comparisons
How big is 129028080?- 129,028,080 seconds is equal to 4 years, 5 weeks, 2 days, 9 hours, 8 minutes.
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To count from 1 to 129,028,080 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 129028080 cubic inches would be around 42.1 feet tall.
Recreational maths with 129028080
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