129538909 is an odd 9-digits composite number following 129538908
and preceding 129538910 . In scientific notation, it is written as 1.29538909 × 10^8.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 126782716 positive integers (up to 129538909) that are relatively prime to 129538909.
129538909 has 4 divisors, whose sum is 132295104
The reverse of 129538909 is 909835921
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 46
Digital Root 1
Name
one hundred twenty-nine million five hundred thirty-eight thousand nine hundred nine
Scientific notation
1.29538909 × 10^8
Engineering notation
1.29538909 × 10^6
Prime Factorization
47 × 2756147
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
129538909
Product of the distinct prime numbers
The prime factorization of 129538909 is 47 × 2756147.
Since it has a total of 2 prime factors.
1 , 10 , 25 , 49 , 874 , 818 , 6285 , 8705 , 64063 , 81403 , 268582 , 541399 , 6477756 , 6905740 , 43803927 , 93341079 , 106750153 , 522490696 , 2932853867 , 2711067727
n×2
259077818
n×3
388616727
n×4
518155636
n×5
647694545
n÷2
64769454.5
n÷3
43179636.333333
n÷3
32384727.25
n÷5
25907781.8
n2
16780328944910281
n3
2.1737055041848E+24
n4
2.8157943949939E+32
n5
3.6475493389583E+40
2 √n
11381.516111661
3 √n
505.98007102792
4 √n
106.68418866759
5 √n
41.92567341338
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
-129538908
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 129538909 can be divided by 4 positive divisors.
The sum of these divisors (counting 129538909) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101110001001101101011101
3
Ternary
100000202020222101
4
Quaternary
13232021231131
5
Quinary
231130221114
6
Senary
20504245101
8
Octal
756115535
10
Decimal
129538909
12
Duodecimal
37470791
16
Hexadecimal
7b89b5d
20
Vigesimal
209c759
36
Base36
254gv1
md5
b0f2d44bbe5d9d6c44c481b9d716c159
sha1
3f0a82ce27018875573d1fc9229c64453adfd344
sha256
8086e818c5fd2a4a0543ce94e1ca52149aa07b6ba6e7c4b5d4bd01c251005e7e
sha512
df7eabb7544d74fb8e19dfb8c85548d645ce490fec0669472aca8a138f9d057be9973860f08b1499f8adf307f61261e6d403a9eac5ca7600740eaec0747426f8
ripemd-160
864f398eb2b6ed2ccb6193d992ac12cbc853600c
Diameter
259077818
Circumference
813916969.73687
Area
5.271695813815E+16
Volume
9.1051963240195E+24
Surface area
2.108678325526E+17
Circumference
813916969.73687
Perimeter
518155636
Area
16780328944910281
Diagonal
183195681.96281
Surface area
100681973669461686
Volume
2.1737055041848E+24
Space diagonal
224367971.94504
Perimeter
388616727
Area
7.2660955750758E+15
Altitude
112183985.97252
Surface area
7.2660955750758E+15
Volume
2.5617365038527E+23
Height
61065227.320938