129285265 is an odd 9-digits composite number following 129285264
and preceding 129285266 . In scientific notation, it is written as 1.29285265 × 10^8.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 103428208 positive integers (up to 129285265) that are relatively prime to 129285265.
129285265 has 4 divisors, whose sum is 155142324
The reverse of 129285265 is 562582921
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
one hundred twenty-nine million two hundred eighty-five thousand two hundred sixty-five
Scientific notation
1.29285265 × 10^8
Engineering notation
1.29285265 × 10^6
Prime Factorization
5 × 25857053
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
129285265
Product of the distinct prime numbers
The prime factorization of 129285265 is 5 × 25857053.
Since it has a total of 2 prime factors.
2 , 7 , 99 , 9 , 202 , 929 , 3685 , 7526 , 75472 , 28333 , 974535 , 537198 , 4087479 , 3731347 , 91663170 , 42209092 , 850196502 , 134477599 , 4123575247 , 4037504626
n×2
258570530
n×3
387855795
n×4
517141060
n×5
646426325
n÷2
64642632.5
n÷3
43095088.333333
n÷3
32321316.25
n÷5
25857053
n2
16714679746120225
n3
2.1609618003673E+24
n4
2.7938051901536E+32
n5
3.6119784436739E+40
2 √n
11370.367848051
3 √n
505.64961004627
4 √n
106.63192696398
5 √n
41.909242003985
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129285264
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129285265 can be divided by 4 positive divisors.
The sum of these divisors (counting 129285265) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101101001011110010010001
3
Ternary
100000021101001011
4
Quaternary
13231023302101
5
Quinary
231044112030
6
Senary
20455010521
8
Octal
755136221
10
Decimal
129285265
12
Duodecimal
37369a41
16
Hexadecimal
7b4bc91
20
Vigesimal
2080d35
36
Base36
24z15d
md5
f19d4980b875df0da6a8b78d3adbf5e6
sha1
59f6260307ebe7bceb7007a83fcbe2b915b8742a
sha256
27d2aee0afcf5f5162b941d77cc48321a4877d588d0b9af5f28986b8ef2f251a
sha512
89be2ae6dbfaf46ff01b64713a6accb72c885995eb3a5cb7adeae2c29dc12aa7671a1a5065e9f190e89672ce07117f3775a1e3bd405f26b1d437090b6787ab4c
ripemd-160
32e93a144cf2d9dbe1232f5393a1057a9cd89c21
Diameter
258570530
Circumference
812323277.48282
Area
5.2510715097517E+16
Volume
9.0518156222961E+24
Surface area
2.1004286039007E+17
Circumference
812323277.48282
Perimeter
517141060
Area
16714679746120225
Diagonal
182836975.178
Surface area
100288078476721350
Volume
2.1609618003673E+24
Space diagonal
223928647.65001
Perimeter
387855795
Area
7.2376686381307E+15
Altitude
111964323.825
Surface area
7.2376686381307E+15
Volume
2.5467179048747E+23
Height
60945658.392667