129205715 is an odd 9-digits composite number following 129205714
and preceding 129205716 . In scientific notation, it is written as 1.29205715 × 10^8.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 103322752 positive integers (up to 129205715) that are relatively prime to 129205715.
129205715 has 8 divisors, whose sum is 155109600
The reverse of 129205715 is 517502921
Previous prime number is 4007
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 32
Digital Root 5
Name
one hundred twenty-nine million two hundred five thousand seven hundred fifteen
Scientific notation
1.29205715 × 10^8
Engineering notation
1.29205715 × 10^6
Prime Factorization
5 × 4007 × 6449
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129205715
Product of the distinct prime numbers
The prime factorization of 129205715 is 5 × 4007 × 6449.
Since it has a total of 3 prime factors.
4 , 7 , 89 , 99 , 31 , 959 , 2554 , 4189 , 87135 , 30204 , 784583 , 674541 , 2123883 , 682454 , 39436514 , 36138065 , 517079620 , 177220978 , 9575695285 , 9422935278
n×2
258411430
n×3
387617145
n×4
516822860
n×5
646028575
n÷2
64602857.5
n÷3
43068571.666667
n÷3
32301428.75
n÷5
25841143
n2
16694116788661225
n3
2.1569752959725E+24
n4
2.7869353535346E+32
n5
3.6008797501222E+40
2 √n
11366.869181969
3 √n
505.54587902065
4 √n
106.61552036157
5 √n
41.904083332505
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129205714
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129205715 can be divided by 8 positive divisors.
The sum of these divisors (counting 129205715) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101100111000010111010011
3
Ternary
100000010022220212
4
Quaternary
13230320113103
5
Quinary
231034040330
6
Senary
20453154335
8
Octal
754702723
10
Decimal
129205715
12
Duodecimal
3732b9ab
16
Hexadecimal
7b385d3
20
Vigesimal
207ae5f
36
Base36
24xbrn
md5
bccc84eeae22bec84d58a47a4c82b46e
sha1
1220a7e7773708b50ee1cd75faefb63e79c1d149
sha256
61314fea7e972989f3e8c1bac37e851ba28a4a8638f3ead3a10ea732f5eb49f9
sha512
f8d0390a3d132a024390315ac499f057e5cd2d47239c53ab6dbeafb9e8cf5b6d173cb63b9210c28a5eed0982eecc25a092397481152686919b2d0dca354a73b7
ripemd-160
c12bbb5248b4a669662ba6327eab14f8331be529
Diameter
258411430
Circumference
811823450.09163
Area
5.2446114661428E+16
Volume
9.0351169917357E+24
Surface area
2.0978445864571E+17
Circumference
811823450.09163
Perimeter
516822860
Area
16694116788661225
Diagonal
182724474.48911
Surface area
100164700731967350
Volume
2.1569752959725E+24
Space diagonal
223790863.00826
Perimeter
387617145
Area
7.2287646163625E+15
Altitude
111895431.50413
Surface area
7.2287646163625E+15
Volume
2.54201976439E+23
Height
60908158.163038