129208788 is an even 9-digits composite number following 129208787
and preceding 129208789 . In scientific notation, it is written as 1.29208788 × 10^8.
The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors.
There are 43069584 positive integers (up to 129208788) that are relatively prime to 129208788.
129208788 has 12 divisors, whose sum is 251239380
The reverse of 129208788 is 887802921
Previous prime number is 9
Is Prime? no
Number parity even
Number length 9
Sum of Digits 45
Digital Root 9
Name
one hundred twenty-nine million two hundred eight thousand seven hundred eighty-eight
Scientific notation
1.29208788 × 10^8
Engineering notation
1.29208788 × 10^6
Prime Factorization
2 × 2 × 9 × 3589133
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
64604394
Product of the distinct prime numbers
The prime factorization of 129208788 is 2 × 2 × 9 × 3589133.
Since it has a total of 4 prime factors.
3 , 2 , 13 , 4 , 828 , 196 , 298 , 2108 , 90685 , 87790 , 865281 , 316947 , 6544247 , 1215770 , 47501164 , 9401250 , 448197302 , 39142137 , 7483441637 , 9898466027
n×2
258417576
n×3
387626364
n×4
516835152
n×5
646043940
n÷2
64604394
n÷3
43069596
n÷3
32302197
n÷5
25841757.6
n2
16694910896428944
n3
2.1571292026956E+24
n4
2.787200498397E+32
n5
3.6013079831087E+40
2 √n
11367.00435471
3 √n
505.54988691914
4 √n
106.61615428588
5 √n
41.904282658089
1 , 2 , 4 , 9 , 18 , 36 , 3589133 , 7178266 , 14356532 , 32302197 , 64604394 , 129208788
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
-129208787
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 129208788 can be divided by 12 positive divisors.
The sum of these divisors (counting 129208788) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101100111001000111010100
3
Ternary
100000010111010200
4
Quaternary
13230321013110
5
Quinary
231034140123
6
Senary
20453220500
8
Octal
754710724
10
Decimal
129208788
12
Duodecimal
37331730
16
Hexadecimal
7b391d4
20
Vigesimal
207b1j8
36
Base36
24xe50
md5
5318b985793862487f4e54835e01e3ca
sha1
cad15e4c1251ab7f0fd83a657c9d2ee0e1bd12b6
sha256
9d0dbd046cf8a5afda6a526351dd1e0728215c4b118dc20e06be087970689d0c
sha512
08153ecfca65213f1aa0d1b8dcd6dd1603b89717a1f793cc36f2dd5543ad37ceae2a2df5f1dc6f465b92f52c4b9cec1e075e1204ddc265f9936fb538b2f2c99e
ripemd-160
76ffb8d4f0f7f74e40ba66b661aec974c317d88b
Diameter
258417576
Circumference
811842758.32008
Area
5.2448609424557E+16
Volume
9.0357616747099E+24
Surface area
2.0979443769823E+17
Circumference
811842758.32008
Perimeter
516835152
Area
16694910896428944
Diagonal
182728820.36739
Surface area
100169465378573664
Volume
2.1571292026956E+24
Space diagonal
223796185.6004
Perimeter
387626364
Area
7.2291084751126E+15
Altitude
111898092.8002
Surface area
7.2291084751126E+15
Volume
2.5422011452026E+23
Height
60909606.78913