129509942 is an even 9-digits composite number following 129509941
and preceding 129509943 . In scientific notation, it is written as 1.29509942 × 10^8.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 64754970 positive integers (up to 129509942) that are relatively prime to 129509942.
129509942 has 4 divisors, whose sum is 194264916
The reverse of 129509942 is 249905921
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 41
Digital Root 5
Name
one hundred twenty-nine million five hundred nine thousand nine hundred forty-two
Scientific notation
1.29509942 × 10^8
Engineering notation
1.29509942 × 10^6
Prime Factorization
2 × 64754971
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
129509942
Product of the distinct prime numbers
The prime factorization of 129509942 is 2 × 64754971.
Since it has a total of 2 prime factors.
9 , 4 , 17 , 59 , 734 , 556 , 2289 , 3914 , 45992 , 78170 , 972214 , 408370 , 2896969 , 5803039 , 63953589 , 32822855 , 148499084 , 509817660 , 2206317611 , 6022668701
n×2
259019884
n×3
388529826
n×4
518039768
n×5
647549710
n÷2
64754971
n÷3
43169980.666667
n÷3
32377485.5
n÷5
25901988.4
n2
16772825076843364
n3
2.1722476028781E+24
n4
2.8132766105839E+32
n5
3.6434729066667E+40
2 √n
11380.243494759
3 √n
505.9423531009
4 √n
106.67822408889
5 √n
41.923798193595
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
-129509941
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 129509942 can be divided by 4 positive divisors.
The sum of these divisors (counting 129509942) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101110000010101000110110
3
Ternary
100000200210020112
4
Quaternary
13232002220312
5
Quinary
231123304232
6
Senary
20503503022
8
Octal
756025066
10
Decimal
129509942
12
Duodecimal
37457a72
16
Hexadecimal
7b82a36
20
Vigesimal
2098eh2
36
Base36
253uie
md5
a76f9487ad638b71174832dcca908765
sha1
1a8d2a86665668d18a5914d2d516c779ecd1c78e
sha256
0e26c9dce95119249dc63fa1f929c29c2b259f0092107721da4bae6a48f8dc18
sha512
328ce03b81be0a49802ae129d208ebd3d073c0ced4bcaea8b92500ed1d235cb5144b7fb1f1ff3f6a73fdede84a5a078376e54657a690f4511b3c31f7c42cd173
ripemd-160
ee912eb843979b705be8238532fd06850043f223
Diameter
259019884
Circumference
813734964.70808
Area
5.2693384041358E+16
Volume
9.0990894813066E+24
Surface area
2.1077353616543E+17
Circumference
813734964.70808
Perimeter
518039768
Area
16772825076843364
Diagonal
183154716.43855
Surface area
100636950461060184
Volume
2.1722476028781E+24
Space diagonal
224317799.6293
Perimeter
388529826
Area
7.2628463048895E+15
Altitude
112158899.81465
Surface area
7.2628463048895E+15
Volume
2.5600183506856E+23
Height
61051572.146184