129440909 is an odd 9-digits composite number following 129440908
and preceding 129440910 . In scientific notation, it is written as 1.29440909 × 10^8.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 119483904 positive integers (up to 129440909) that are relatively prime to 129440909.
129440909 has 4 divisors, whose sum is 139397916
The reverse of 129440909 is 909044921
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
one hundred twenty-nine million four hundred forty thousand nine hundred nine
Scientific notation
1.29440909 × 10^8
Engineering notation
1.29440909 × 10^6
Prime Factorization
13 × 9956993
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
129440909
Product of the distinct prime numbers
The prime factorization of 129440909 is 13 × 9956993.
Since it has a total of 2 prime factors.
2 , 4 , 56 , 99 , 333 , 857 , 5536 , 893 , 17114 , 66630 , 924644 , 638488 , 6228056 , 9273706 , 2534734 , 73820200 , 517902954 , 877518384 , 2108287580 , 5933505907
n×2
258881818
n×3
388322727
n×4
517763636
n×5
647204545
n÷2
64720454.5
n÷3
43146969.666667
n÷3
32360227.25
n÷5
25888181.8
n2
16754948922746281
n3
2.1687758188088E+24
n4
2.8072831340384E+32
n5
3.633772806903E+40
2 √n
11377.210071015
3 √n
505.85244256211
4 √n
106.66400550802
5 √n
41.919327891503
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
-129440908
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 129440909 can be divided by 4 positive divisors.
The sum of these divisors (counting 129440909) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101101110001110010001101
3
Ternary
100000120021112202
4
Quaternary
13231301302031
5
Quinary
231114102114
6
Senary
20502211245
8
Octal
755616215
10
Decimal
129440909
12
Duodecimal
37423b25
16
Hexadecimal
7b71c8d
20
Vigesimal
2090259
36
Base36
252d8t
md5
b177e7685d9edbbba6670c57ab53d7cb
sha1
c40ef4a7de39ac54bc847fe545e05aad2030b947
sha256
5be34c58bb63bebb50491b85f987eab941c805d4d5b7d1b36a5b003012d41472
sha512
20afb6441d68d4eb03fa05a2c11c76833a5f5975a67f290c82df0028344b682ec184b096ae716cc4ce63f9e6d92fee44640de0c944da571a41b812c4d9f6da39
ripemd-160
7777db48c963324906c70e2e70390633c2037426
Diameter
258881818
Circumference
813301217.57677
Area
5.2637224446972E+16
Volume
9.0845469062041E+24
Surface area
2.1054889778789E+17
Circumference
813301217.57677
Perimeter
517763636
Area
16754948922746281
Diagonal
183057089.0337
Surface area
100529693536477686
Volume
2.1687758188088E+24
Space diagonal
224198230.9659
Perimeter
388322727
Area
7.2551057031045E+15
Altitude
112099115.48295
Surface area
7.2551057031045E+15
Volume
2.5559268139219E+23
Height
61019029.677901