129209531 is an odd 9-digits composite number following 129209530
and preceding 129209532 . In scientific notation, it is written as 1.29209531 × 10^8.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 117180000 positive integers (up to 129209531) that are relatively prime to 129209531.
129209531 has 8 divisors, whose sum is 141295728
The reverse of 129209531 is 135902921
Previous prime number is 421
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 32
Digital Root 5
Name
one hundred twenty-nine million two hundred nine thousand five hundred thirty-one
Scientific notation
1.29209531 × 10^8
Engineering notation
1.29209531 × 10^6
Prime Factorization
11 × 421 × 27901
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129209531
Product of the distinct prime numbers
The prime factorization of 129209531 is 11 × 421 × 27901.
Since it has a total of 3 prime factors.
8 , 7 , 35 , 96 , 919 , 876 , 7336 , 5955 , 2780 , 48066 , 634280 , 478645 , 1833611 , 7438959 , 69231245 , 62905097 , 49565904 , 409308115 , 246071216 , 2934294503
n×2
258419062
n×3
387628593
n×4
516838124
n×5
646047655
n÷2
64604765.5
n÷3
43069843.666667
n÷3
32302382.75
n÷5
25841906.2
n2
16695102901239961
n3
2.157166415866E+24
n4
2.7872646088299E+32
n5
3.6014115287981E+40
2 √n
11367.037036977
3 √n
505.55085595241
4 √n
106.61630755647
5 √n
41.904330851112
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129209530
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129209531 can be divided by 8 positive divisors.
The sum of these divisors (counting 129209531) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101100111001010010111011
3
Ternary
100000010112011012
4
Quaternary
13230321102323
5
Quinary
231034201111
6
Senary
20453224135
8
Octal
754712273
10
Decimal
129209531
12
Duodecimal
3733204b
16
Hexadecimal
7b394bb
20
Vigesimal
207b3gb
36
Base36
24xepn
md5
f84afe629dc1b678176360d25bf6bf87
sha1
53626538c283fbcc14da6db2c7b69a320d466456
sha256
f7150dcc99133535d3adc44f37a9625d84212c4ce81d5ce10bd3feb187fb2fd4
sha512
342bd0178645dc120cf76af3c2edcc5ba8fe6ed7b6f070e3307075009f62e650b03428a33f755062b59610a7ff6a35661b9e302d379e973091a370148b70cfa2
ripemd-160
53ff53d3c57875dd76ffcc06bca6bfc32ff9026c
Diameter
258419062
Circumference
811847426.72677
Area
5.2449212625461E+16
Volume
9.0359175528735E+24
Surface area
2.0979685050184E+17
Circumference
811847426.72677
Perimeter
516838124
Area
16695102901239961
Diagonal
182729871.12807
Surface area
100170617407439766
Volume
2.157166415866E+24
Space diagonal
223797472.51415
Perimeter
387628593
Area
7.2291916156345E+15
Altitude
111898736.25707
Surface area
7.2291916156345E+15
Volume
2.5422450013445E+23
Height
60909957.042689