129705909 is an odd 9-digits composite number following 129705908
and preceding 129705910 . In scientific notation, it is written as 1.29705909 × 10^8.
The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors.
There are 86470604 positive integers (up to 129705909) that are relatively prime to 129705909.
129705909 has 4 divisors, whose sum is 172941216
The reverse of 129705909 is 909507921
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
one hundred twenty-nine million seven hundred five thousand nine hundred nine
Scientific notation
1.29705909 × 10^8
Engineering notation
1.29705909 × 10^6
Prime Factorization
3 × 43235303
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
129705909
Product of the distinct prime numbers
The prime factorization of 129705909 is 3 × 43235303.
Since it has a total of 2 prime factors.
1 , 6 , 31 , 47 , 895 , 348 , 1812 , 8952 , 24326 , 64928 , 166033 , 224987 , 1730644 , 3434474 , 9907886 , 83869897 , 306916878 , 538822249 , 4847280394 , 7593047686
n×2
259411818
n×3
389117727
n×4
518823636
n×5
648529545
n÷2
64852954.5
n÷3
43235303
n÷3
32426477.25
n÷5
25941181.8
n2
16823622829516281
n3
2.1821232917756E+24
n4
2.8303428510982E+32
n5
3.6711219228335E+40
2 √n
11388.850205354
3 √n
506.19741212629
4 √n
106.7185560498
5 √n
41.936477857789
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
-129705908
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 129705909 can be divided by 4 positive divisors.
The sum of these divisors (counting 129705909) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101110110010011110110101
3
Ternary
100001001202001120
4
Quaternary
13232302132311
5
Quinary
231201042114
6
Senary
20512014153
8
Octal
756623665
10
Decimal
129705909
12
Duodecimal
37531359
16
Hexadecimal
7bb27b5
20
Vigesimal
20ad4f9
36
Base36
2581px
md5
8aa2c54c0d40d465d965346ec689a6b5
sha1
949b85d9f77393e9f9577cfe89cf08443f012792
sha256
02fce0c9e6ccba24ffc3a4931905117a75f7644ce90f43b7061f7020376ac453
sha512
6826be4b6c1f2bfdcdc54dc547213635ccc31d80316c4ffa4699e616dd1647abee75bb79bc4a0eb1e0a752806daa704f4a74f8eb167352df6457af88aef71e95
ripemd-160
dca638a8273acc04f137f0c5d88af2c80f5bdcbe
Diameter
259411818
Circumference
814966261.68317
Area
5.2852969887974E+16
Volume
9.1404566702257E+24
Surface area
2.114118795519E+17
Circumference
814966261.68317
Perimeter
518823636
Area
16823622829516281
Diagonal
183431855.62773
Surface area
100941736977097686
Volume
2.1821232917756E+24
Space diagonal
224657224.42991
Perimeter
389117727
Area
7.2848423770245E+15
Altitude
112328612.21495
Surface area
7.2848423770245E+15
Volume
2.571656961666E+23
Height
61143951.87591