129285440 is an even 9-digits composite number following 129285439
and preceding 129285441 . In scientific notation, it is written as 1.29285440 × 10^8.
The sum of its digits is 35. It has a total of 8 prime factors and 28 positive divisors.
There are 51714048 positive integers (up to 129285440) that are relatively prime to 129285440.
129285440 has 28 divisors, whose sum is 307861716
The reverse of 129285440 is 044582921
Previous prime number is 5
Is Prime? no
Number parity even
Number length 9
Sum of Digits 35
Digital Root 8
Name
one hundred twenty-nine million two hundred eighty-five thousand four hundred forty
Scientific notation
1.29285440 × 10^8
Engineering notation
1.29285440 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 5 × 404017
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
4040170
Product of the distinct prime numbers
The prime factorization of 129285440 is 2 × 2 × 2 × 2 × 2 × 2 × 5 × 404017.
Since it has a total of 8 prime factors.
3 , 6 , 47 , 34 , 819 , 491 , 3387 , 3157 , 9888 , 90881 , 442666 , 655034 , 5352054 , 8510553 , 97075315 , 44045953 , 290158225 , 371320567 , 4805637657 , 4311909518
n×2
258570880
n×3
387856320
n×4
517141760
n×5
646427200
n÷2
64642720
n÷3
43095146.666667
n÷3
32321360
n÷5
25857088
n2
16714724995993600
n3
2.160970575586E+24
n4
2.7938203169169E+32
n5
3.6120028895355E+40
2 √n
11370.37554349
3 √n
505.64983819458
4 √n
106.63196304809
5 √n
41.909253349614
1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 32 , 40 , 64 , 80 , 160 , 320 , 404017 , 808034 , 1616068 , 2020085 , 3232136 , 4040170 , 6464272 , 8080340 , 12928544 , 16160680 , 25857088 , 32321360 , 64642720 , 129285440
28 divisors
τ
Total Divisors
28
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129285439
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.035714285714286
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
28
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129285440 can be divided by 28 positive divisors.
The sum of these divisors (counting 129285440) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
111101101001011110101000000
3
Ternary
100000021101021122
4
Quaternary
13231023311000
5
Quinary
231044113230
6
Senary
20455011412
8
Octal
755136500
10
Decimal
129285440
12
Duodecimal
37369b68
16
Hexadecimal
7b4bd40
20
Vigesimal
2080dc0
36
Base36
24z1a8
md5
c1506e8b31f9d135b94bbdf46a395250
sha1
328f0e0874b16a8b009918cce6a9673bd286a891
sha256
c7929594cf7d6fec27ccadbec42f0e17456d41116959ec712992a6b5649acd49
sha512
2c41983bba4edc48ad6cc6e32af6dfa4db5761b06ebda9d0014f0d94e53ac6b8c0491ea639b6077b17676e1e581dc89de10a2e18d29e34c4afa329b118f77d3d
ripemd-160
816ce63dcb32c4e0a3218fa759a650221ef23947
Diameter
258570880
Circumference
812324377.04025
Area
5.2510857254187E+16
Volume
9.0518523798464E+24
Surface area
2.1004342901675E+17
Circumference
812324377.04025
Perimeter
517141760
Area
16714724995993600
Diagonal
182837222.66537
Surface area
100288349975961600
Volume
2.160970575586E+24
Space diagonal
223928950.7589
Perimeter
387856320
Area
7.2376882319006E+15
Altitude
111964475.37945
Surface area
7.2376882319006E+15
Volume
2.5467282465691E+23
Height
60945740.888458