129338912 is an even 9-digits composite number following 129338911
and preceding 129338913 . In scientific notation, it is written as 1.29338912 × 10^8.
The sum of its digits is 38. It has a total of 7 prime factors and 24 positive divisors.
There are 64468800 positive integers (up to 129338912) that are relatively prime to 129338912.
129338912 has 24 divisors, whose sum is 255426192
The reverse of 129338912 is 219833921
Previous prime number is 331
Is Prime? no
Number parity even
Number length 9
Sum of Digits 38
Digital Root 2
Name
one hundred twenty-nine million three hundred thirty-eight thousand nine hundred twelve
Scientific notation
1.29338912 × 10^8
Engineering notation
1.29338912 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 331 × 12211
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
8083682
Product of the distinct prime numbers
The prime factorization of 129338912 is 2 × 2 × 2 × 2 × 2 × 331 × 12211.
Since it has a total of 7 prime factors.
9 , 6 , 28 , 40 , 217 , 872 , 7233 , 5560 , 39680 , 16282 , 942300 , 705746 , 3308065 , 6841986 , 94016150 , 95235041 , 153006332 , 393945563 , 2491354879 , 3652679551
n×2
258677824
n×3
388016736
n×4
517355648
n×5
646694560
n÷2
64669456
n÷3
43112970.666667
n÷3
32334728
n÷5
25867782.4
n2
16728554157343744
n3
2.1636529940439E+24
n4
2.7984452419518E+32
n5
3.6194786288563E+40
2 √n
11372.726673934
3 √n
505.71954024657
4 √n
106.64298698899
5 √n
41.912719479975
1 , 2 , 4 , 8 , 16 , 32 , 331 , 662 , 1324 , 2648 , 5296 , 10592 , 12211 , 24422 , 48844 , 97688 , 195376 , 390752 , 4041841 , 8083682 , 16167364 , 32334728 , 64669456 , 129338912
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129338911
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129338912 can be divided by 24 positive divisors.
The sum of these divisors (counting 129338912) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111101101011000111000100000
3
Ternary
100000101002122002
4
Quaternary
13231120320200
5
Quinary
231102321122
6
Senary
20500103132
8
Octal
755307040
10
Decimal
129338912
12
Duodecimal
37394aa8
16
Hexadecimal
7b58e20
20
Vigesimal
208775c
36
Base36
2506jk
md5
318a96b2dc4dd71b1b7240e7de232655
sha1
7e8877036f5c7fbe7a2d7cb70e1cea3242600cf4
sha256
8d1bdb97039b36759275dcf9155cd1b51d65efc1b0150ab917828fad24d87045
sha512
d6227c8ce2b4dcd04f863fdb4f5af4a1278e8b87acc6fa4bfdd70e444004e217227683a4da4fd2f0338427b5794726053bc67e6002aedb471f28ffee4818c8de
ripemd-160
812c9395fe220966bfc46c02ddf03b42de8aa3e8
Diameter
258677824
Circumference
812660351.52499
Area
5.255430284589E+16
Volume
9.0630884680079E+24
Surface area
2.1021721138356E+17
Circumference
812660351.52499
Perimeter
517355648
Area
16728554157343744
Diagonal
182912843.49298
Surface area
100371324944062464
Volume
2.1636529940439E+24
Space diagonal
224021566.97968
Perimeter
388016736
Area
7.2436764344217E+15
Altitude
112010783.48984
Surface area
7.2436764344217E+15
Volume
2.5498895070384E+23
Height
60970947.830993