129647828 is an even 9-digits composite number following 129647827
and preceding 129647829 . In scientific notation, it is written as 1.29647828 × 10^8.
The sum of its digits is 47. It has a total of 4 prime factors and 12 positive divisors.
There are 62732760 positive integers (up to 129647828) that are relatively prime to 129647828.
129647828 has 12 divisors, whose sum is 234202752
The reverse of 129647828 is 828746921
Previous prime number is 31
Is Prime? no
Number parity even
Number length 9
Sum of Digits 47
Digital Root 2
Name
one hundred twenty-nine million six hundred forty-seven thousand eight hundred twenty-eight
Scientific notation
1.29647828 × 10^8
Engineering notation
1.29647828 × 10^6
Prime Factorization
2 × 2 × 31 × 1045547
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
64823914
Product of the distinct prime numbers
The prime factorization of 129647828 is 2 × 2 × 31 × 1045547.
Since it has a total of 4 prime factors.
5 , 5 , 68 , 58 , 276 , 533 , 7423 , 888 , 90917 , 47648 , 299900 , 830412 , 196128 , 5040175 , 41807707 , 97012762 , 51736701 , 316172656 , 2939609923 , 622545948
n×2
259295656
n×3
388943484
n×4
518591312
n×5
648239140
n÷2
64823914
n÷3
43215942.666667
n÷3
32411957
n÷5
25929565.6
n2
16808559305117584
n3
2.1791932057177E+24
n4
2.8252766591365E+32
n5
3.6629098235615E+40
2 √n
11386.300013613
3 √n
506.12184414427
4 √n
106.70660716944
5 √n
41.932721438391
1 , 2 , 4 , 31 , 62 , 124 , 1045547 , 2091094 , 4182188 , 32411957 , 64823914 , 129647828
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
-129647827
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 129647828 can be divided by 12 positive divisors.
The sum of these divisors (counting 129647828) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101110100100010011010100
3
Ternary
100000221210101102
4
Quaternary
13232210103110
5
Quinary
231142212303
6
Senary
20510445232
8
Octal
756442324
10
Decimal
129647828
12
Duodecimal
37503818
16
Hexadecimal
7ba44d4
20
Vigesimal
20a5jb8
36
Base36
256swk
md5
e7bccb02b5bbcebf1df297aa1e5f6b8c
sha1
2187707b4685ba4084b2ee7167262ee4f0f32c2b
sha256
de6566a69bf6e32cbcae639a8dbd2480fe6ac1ff4e586c0b90857c58f2164d9e
sha512
a0e35515d8800ade80e68cd3fb8fd5fe938cce9b879485118315e4b3c089ee3cdd336d24a69dd98d6c2eb764049292614c043257e843603c0fe082ec800d87c5
ripemd-160
6dc08fb78679fd5741d5a920583253378a0cbaa1
Diameter
259295656
Circumference
814601327.99735
Area
5.2805646430386E+16
Volume
9.1281831544473E+24
Surface area
2.1122258572154E+17
Circumference
814601327.99735
Perimeter
518591312
Area
16808559305117584
Diagonal
183349716.68981
Surface area
100851355830705504
Volume
2.1791932057177E+24
Space diagonal
224556625.18695
Perimeter
388943484
Area
7.2783196796246E+15
Altitude
112278312.59348
Surface area
7.2783196796246E+15
Volume
2.568203822131E+23
Height
61116572.229938