129809209 is an odd 9-digits composite number following 129809208
and preceding 129809210 . In scientific notation, it is written as 1.29809209 × 10^8.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 126300816 positive integers (up to 129809209) that are relatively prime to 129809209.
129809209 has 4 divisors, whose sum is 133317604
The reverse of 129809209 is 902908921
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
one hundred twenty-nine million eight hundred nine thousand two hundred nine
Scientific notation
1.29809209 × 10^8
Engineering notation
1.29809209 × 10^6
Prime Factorization
37 × 3508357
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
129809209
Product of the distinct prime numbers
The prime factorization of 129809209 is 37 × 3508357.
Since it has a total of 2 prime factors.
3 , 4 , 77 , 26 , 832 , 344 , 7326 , 2805 , 4037 , 45877 , 896450 , 883996 , 9638738 , 2796628 , 24596658 , 67537733 , 337360811 , 199715601 , 8037388666 , 5461675394
n×2
259618418
n×3
389427627
n×4
519236836
n×5
649046045
n÷2
64904604.5
n÷3
43269736.333333
n÷3
32452302.25
n÷5
25961841.8
n2
16850430741205681
n3
2.1873410858252E+24
n4
2.8393701616417E+32
n5
3.6857639474091E+40
2 √n
11393.384440104
3 √n
506.33175788744
4 √n
106.73979782679
5 √n
41.943155516211
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
-129809208
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 129809209 can be divided by 4 positive divisors.
The sum of these divisors (counting 129809209) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101111001011101100111001
3
Ternary
100001020222202111
4
Quaternary
13233023230321
5
Quinary
231212343314
6
Senary
20514132321
8
Octal
757135471
10
Decimal
129809209
12
Duodecimal
375810a1
16
Hexadecimal
7bcbb39
20
Vigesimal
20b6309
36
Base36
25a9fd
md5
5871b98f25b60378cfb48cf76b864a9a
sha1
4e0ee2d36cd44ae280bbffeb2b83330b420cb472
sha256
5d108ed945b00cf7c018c602597d280039b478927057039b7374bef763f17e61
sha512
d757cebc82fc657fc6194ed15854911c0a2115be398a5f8349e42532fd00f9969d3ead8837e1c4600869754cab21ed29349483f31c12ee26eb9ee6e95a670f16
ripemd-160
96785b80dba7338f100302f5011c4c562868c34e
Diameter
259618418
Circumference
815615314.7254
Area
5.2937189426395E+16
Volume
9.1623129148314E+24
Surface area
2.1174875770558E+17
Circumference
815615314.7254
Perimeter
519236836
Area
16850430741205681
Diagonal
183577943.88872
Surface area
101102584447234086
Volume
2.1873410858252E+24
Space diagonal
224836145.27833
Perimeter
389427627
Area
7.2964505432972E+15
Altitude
112418072.63916
Surface area
7.2964505432972E+15
Volume
2.5778061909249E+23
Height
61192647.962908