129125628 is an even 9-digits composite number following 129125627
and preceding 129125629 . In scientific notation, it is written as 1.29125628 × 10^8.
The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors.
There are 43041864 positive integers (up to 129125628) that are relatively prime to 129125628.
129125628 has 12 divisors, whose sum is 251077680
The reverse of 129125628 is 826521921
Previous prime number is 9
Is Prime? no
Number parity even
Number length 9
Sum of Digits 36
Digital Root 9
Name
one hundred twenty-nine million one hundred twenty-five thousand six hundred twenty-eight
Scientific notation
1.29125628 × 10^8
Engineering notation
1.29125628 × 10^6
Prime Factorization
2 × 2 × 9 × 3586823
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
64562814
Product of the distinct prime numbers
The prime factorization of 129125628 is 2 × 2 × 9 × 3586823.
Since it has a total of 4 prime factors.
5 , 4 , 46 , 83 , 488 , 44 , 7161 , 2572 , 89306 , 30899 , 976774 , 52954 , 4679291 , 8234302 , 20415542 , 93512605 , 395269926 , 265451437 , 21511339 , 615690366
n×2
258251256
n×3
387376884
n×4
516502512
n×5
645628140
n÷2
64562814
n÷3
43041876
n÷3
32281407
n÷5
25825125.6
n2
16673427806394384
n3
2.1529668364133E+24
n4
2.7800319481505E+32
n5
3.5897337116499E+40
2 √n
11363.345810104
3 √n
505.44140474359
4 √n
106.59899535222
5 √n
41.898887270242
1 , 2 , 4 , 9 , 18 , 36 , 3586823 , 7173646 , 14347292 , 32281407 , 64562814 , 129125628
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
-129125627
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 129125628 can be divided by 12 positive divisors.
The sum of these divisors (counting 129125628) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101100100100110011111100
3
Ternary
22222222021001200
4
Quaternary
13230210303330
5
Quinary
231024010003
6
Senary
20451335500
8
Octal
754446374
10
Decimal
129125628
12
Duodecimal
372b1590
16
Hexadecimal
7b24cfc
20
Vigesimal
2070e18
36
Base36
24vlz0
md5
2aad7d11c2de3165f4c7bfa521a08fc1
sha1
86c5145967a527e14a52a788c1521f04795c5152
sha256
2e1c27976800947e9f4d3bba87dc4b3ede956b5cec2a0155c4633dad2402fc40
sha512
e5bf77316c1f89fc7d28babce5ee52fd0e85a4476547ac6af0fe8e0fac07f4b5abb721096648aaf3f5720299d426c8199d25ad9cf48a701200db174e4d1d4c19
ripemd-160
b66d1e1a27ec14cfb3cc26955afd988ea68ab3bc
Diameter
258251256
Circumference
811320248.62994
Area
5.2381118306728E+16
Volume
9.0183263955981E+24
Surface area
2.0952447322691E+17
Circumference
811320248.62994
Perimeter
516502512
Area
16673427806394384
Diagonal
182611214.36754
Surface area
100040566838366304
Volume
2.1529668364133E+24
Space diagonal
223652148.25524
Perimeter
387376884
Area
7.2198060242517E+15
Altitude
111826074.12762
Surface area
7.2198060242517E+15
Volume
2.537295749496E+23
Height
60870404.789181