129281312 is an even 9-digits composite number following 129281311
and preceding 129281313 . In scientific notation, it is written as 1.29281312 × 10^8.
The sum of its digits is 29. It has a total of 6 prime factors and 12 positive divisors.
There are 64640640 positive integers (up to 129281312) that are relatively prime to 129281312.
129281312 has 12 divisors, whose sum is 254522646
The reverse of 129281312 is 213182921
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 29
Digital Root 2
Name
one hundred twenty-nine million two hundred eighty-one thousand three hundred twelve
Scientific notation
1.29281312 × 10^8
Engineering notation
1.29281312 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 4040041
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
8080082
Product of the distinct prime numbers
The prime factorization of 129281312 is 2 × 2 × 2 × 2 × 2 × 4040041.
Since it has a total of 6 prime factors.
5 , 8 , 17 , 79 , 138 , 75 , 862 , 6495 , 85613 , 6302 , 696101 , 140728 , 8855597 , 8915121 , 43192828 , 21478329 , 391011026 , 39344200 , 5612479270 , 4017964463
n×2
258562624
n×3
387843936
n×4
517125248
n×5
646406560
n÷2
64640656
n÷3
43093770.666667
n÷3
32320328
n÷5
25856262.4
n2
16713657632441344
n3
2.1607635870408E+24
n4
2.7934635145446E+32
n5
3.6114262818446E+40
2 √n
11370.194017694
3 √n
505.64445644716
4 √n
106.6311118656
5 √n
41.908985719157
1 , 2 , 4 , 8 , 16 , 32 , 4040041 , 8080082 , 16160164 , 32320328 , 64640656 , 129281312
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129281311
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129281312 can be divided by 12 positive divisors.
The sum of these divisors (counting 129281312) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101101001010110100100000
3
Ternary
100000021011121202
4
Quaternary
13231022310200
5
Quinary
231044000222
6
Senary
20454540332
8
Octal
755126440
10
Decimal
129281312
12
Duodecimal
373676a8
16
Hexadecimal
7b4ad20
20
Vigesimal
208035c
36
Base36
24yy3k
md5
79d371ddbc459ddd126a9b92ec672a95
sha1
ee3e2fb7040a7d35664ac453e70d2f0c363234f9
sha256
d9932967d71421769f869e7400a1276215b393c5f78b5a931bb6994f78b3423a
sha512
4396dae2cbf2283829477d6362cffc9ad7dff1cb4168915933a43e7579fa3ab55b9679655151878eb4b0578055a4fb81e85ddbbf522d8469cd7e4bb4ee1c7b54
ripemd-160
b5df1e6bcdec5719c20414dbfcf876bb388ff081
Diameter
258562624
Circumference
812298440.0513
Area
5.2507504032693E+16
Volume
9.0509853482557E+24
Surface area
2.1003001613077E+17
Circumference
812298440.0513
Perimeter
517125248
Area
16713657632441344
Diagonal
182831384.79179
Surface area
100281945794648064
Volume
2.1607635870408E+24
Space diagonal
223921800.85316
Perimeter
387843936
Area
7.2372260499249E+15
Altitude
111960900.42658
Surface area
7.2372260499249E+15
Volume
2.5464843082292E+23
Height
60943794.930596