129611909 is an odd 9-digits composite number following 129611908
and preceding 129611910 . In scientific notation, it is written as 1.29611909 × 10^8.
The sum of its digits is 38. It has a total of 3 prime factors and 6 positive divisors.
There are 111095880 positive integers (up to 129611909) that are relatively prime to 129611909.
129611909 has 6 divisors, whose sum is 150773094
The reverse of 129611909 is 909116921
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
one hundred twenty-nine million six hundred eleven thousand nine hundred nine
Scientific notation
1.29611909 × 10^8
Engineering notation
1.29611909 × 10^6
Prime Factorization
7 × 7 × 2645141
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
18515987
Product of the distinct prime numbers
The prime factorization of 129611909 is 7 × 7 × 2645141.
Since it has a total of 3 prime factors.
5 , 9 , 82 , 31 , 658 , 431 , 4637 , 2521 , 60325 , 21829 , 528251 , 947177 , 2125627 , 3458991 , 44903269 , 2163255 , 949134990 , 526513284 , 7288470402 , 9663168821
n×2
259223818
n×3
388835727
n×4
518447636
n×5
648059545
n÷2
64805954.5
n÷3
43203969.666667
n÷3
32402977.25
n÷5
25922381.8
n2
16799246954624281
n3
2.1773824675513E+24
n4
2.8221469824245E+32
n5
3.6578385787063E+40
2 √n
11384.7226141
3 √n
506.0750993847
4 √n
106.69921562083
5 √n
41.930397684283
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129611908
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129611909 can be divided by 6 positive divisors.
The sum of these divisors (counting 129611909) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
111101110011011100010000101
3
Ternary
100000212222010002
4
Quaternary
13232123202011
5
Quinary
231140040114
6
Senary
20510011045
8
Octal
756334205
10
Decimal
129611909
12
Duodecimal
374a6a85
16
Hexadecimal
7b9b885
20
Vigesimal
20a19f9
36
Base36
25616t
md5
ab181d6c48ea48011ef496359671f71b
sha1
8ceff23bb35fc6b1115a3e32e6036c15bed81dd6
sha256
820baff6a549256f3b7f92fc6cb62c7affd3b0b48b4d8a6a25e6060095542543
sha512
a1b3a43b712d9abe9502e9ee38c1106f518a6eb9899752a84b49512558bde16241e567fc1432dae58b64c66e3cb43661aab56266ab594566de92b8e0615af85e
ripemd-160
9870f0aec75b92e3d38b7e4b578c75795dc46001
Diameter
259223818
Circumference
814375642.2643
Area
5.2776390818488E+16
Volume
9.1205983521525E+24
Surface area
2.1110556327395E+17
Circumference
814375642.2643
Perimeter
518447636
Area
16799246954624281
Diagonal
183298919.55287
Surface area
100795481727745686
Volume
2.1773824675513E+24
Space diagonal
224494411.65399
Perimeter
388835727
Area
7.2742873135765E+15
Altitude
112247205.827
Surface area
7.2742873135765E+15
Volume
2.566069846737E+23
Height
61099639.850956