129285425 is an odd 9-digits composite number following 129285424
and preceding 129285426 . In scientific notation, it is written as 1.29285425 × 10^8.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 96400640 positive integers (up to 129285425) that are relatively prime to 129285425.
129285425 has 16 divisors, whose sum is 143747136
The reverse of 129285425 is 524582921
Previous prime number is 107
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
one hundred twenty-nine million two hundred eighty-five thousand four hundred twenty-five
Scientific notation
1.29285425 × 10^8
Engineering notation
1.29285425 × 10^6
Prime Factorization
25 × 17 × 107 × 2843
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
129285425
Product of the distinct prime numbers
The prime factorization of 129285425 is 25 × 17 × 107 × 2843.
Since it has a total of 4 prime factors.
4 , 7 , 86 , 42 , 850 , 768 , 8195 , 8130 , 45561 , 91192 , 961084 , 56491 , 6077188 , 1142754 , 3372544 , 63459714 , 223612728 , 302285083 , 944380028 , 3962214501
n×2
258570850
n×3
387856275
n×4
517141700
n×5
646427125
n÷2
64642712.5
n÷3
43095141.666667
n÷3
32321356.25
n÷5
25857085
n2
16714721117430625
n3
2.1609698234235E+24
n4
2.7938190203348E+32
n5
3.6120007941707E+40
2 √n
11370.374883881
3 √n
505.64981863902
4 √n
106.63195995517
5 √n
41.909252377132
1 , 17 , 25 , 107 , 425 , 1819 , 2675 , 2843 , 45475 , 48331 , 71075 , 304201 , 1208275 , 5171417 , 7605025 , 129285425
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129285424
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129285425 can be divided by 16 positive divisors.
The sum of these divisors (counting 129285425) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101101001011110100110001
3
Ternary
100000021101021002
4
Quaternary
13231023310301
5
Quinary
231044113200
6
Senary
20455011345
8
Octal
755136461
10
Decimal
129285425
12
Duodecimal
37369b55
16
Hexadecimal
7b4bd31
20
Vigesimal
2080db5
36
Base36
24z19t
md5
652a0ec1d3e7ff81c789e4a2f6af39bf
sha1
9f892385af19de6f90f137c7a831aa285b996300
sha256
9acf221bad9c7b78ffe27f5827f1f87c9fd1ee70dc6346ffe84ef9b13e7635da
sha512
c5c115cdcc50cdd405a412ba70ab4d488d50ef286b97dc55b83937bb7935888f75e05438bd101f40a5716003d346f75067bbaa08ad56ef3173c15edde8b9c7f3
ripemd-160
dcc5171ae4d214b4c673da837dbb98f8a5c857e8
Diameter
258570850
Circumference
812324282.79247
Area
5.2510845069322E+16
Volume
9.0518492291953E+24
Surface area
2.1004338027729E+17
Circumference
812324282.79247
Perimeter
517141700
Area
16714721117430625
Diagonal
182837201.45217
Surface area
100288326704583750
Volume
2.1609698234235E+24
Space diagonal
223928924.77814
Perimeter
387856275
Area
7.2376865524336E+15
Altitude
111964462.38907
Surface area
7.2376865524336E+15
Volume
2.5467273601371E+23
Height
60945733.81739