129628208 is an even 9-digits composite number following 129628207
and preceding 129628209 . In scientific notation, it is written as 1.29628208 × 10^8.
The sum of its digits is 38. It has a total of 6 prime factors and 20 positive divisors.
There are 64438080 positive integers (up to 129628208) that are relatively prime to 129628208.
129628208 has 20 divisors, whose sum is 252611808
The reverse of 129628208 is 802826921
Previous prime number is 173
Is Prime? no
Number parity even
Number length 9
Sum of Digits 38
Digital Root 2
Name
one hundred twenty-nine million six hundred twenty-eight thousand two hundred eight
Scientific notation
1.29628208 × 10^8
Engineering notation
1.29628208 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 173 × 46831
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
16203526
Product of the distinct prime numbers
The prime factorization of 129628208 is 2 × 2 × 2 × 2 × 173 × 46831.
Since it has a total of 6 prime factors.
8 , 7 , 49 , 79 , 815 , 291 , 8326 , 5152 , 95885 , 93912 , 367124 , 445989 , 4216575 , 2210694 , 48425383 , 42162900 , 995864780 , 967878618 , 9312855709 , 2984982539
n×2
259256416
n×3
388884624
n×4
518512832
n×5
648141040
n÷2
64814104
n÷3
43209402.666667
n÷3
32407052
n÷5
25925641.6
n2
16803472309291264
n3
2.178204003631E+24
n4
2.8235668164912E+32
n5
3.6601390659002E+40
2 √n
11385.438419314
3 √n
506.09631187043
4 √n
106.70256988149
5 √n
41.931452200312
1 , 2 , 4 , 8 , 16 , 173 , 346 , 692 , 1384 , 2768 , 46831 , 93662 , 187324 , 374648 , 749296 , 8101763 , 16203526 , 32407052 , 64814104 , 129628208
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129628207
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129628208 can be divided by 20 positive divisors.
The sum of these divisors (counting 129628208) is 1, the average is 0.05.
Base
System
Value
2
Binary
111101110011111100000110000
3
Ternary
100000220210110202
4
Quaternary
13232133200300
5
Quinary
231141100313
6
Senary
20510214332
8
Octal
756374060
10
Decimal
129628208
12
Duodecimal
374b43a8
16
Hexadecimal
7b9f830
20
Vigesimal
20a3aa8
36
Base36
256drk
md5
e13053063d0eb01c1e2b7d2a2d495d3b
sha1
27ddee8146b9a5b723efed3abc4d4b026c5ec142
sha256
7f1e01af46185d597aaba69132d7a208d66c7bc3057a224c4de66ecf5d28b168
sha512
b51658c8e3e6c498678b3e4f825bc53454c2c82711eda4147bdd3d4b175ddf1fa6fab531c6dce3d8e8585b2b453cd4310ba70a6ffa2274bc811bacc8b2c330b3
ripemd-160
f5416e65de3979c8ca940009bb9c11761a212c33
Diameter
259256416
Circumference
814478051.90162
Area
5.2789665161669E+16
Volume
9.1240395944362E+24
Surface area
2.1115866064668E+17
Circumference
814478051.90162
Perimeter
518512832
Area
16803472309291264
Diagonal
183321969.81972
Surface area
100820833855747584
Volume
2.178204003631E+24
Space diagonal
224522642.35011
Perimeter
388884624
Area
7.2761169458173E+15
Altitude
112261321.17505
Surface area
7.2761169458173E+15
Volume
2.567038036292E+23
Height
61107323.27324