129968505 is an odd 9-digits composite number following 129968504
and preceding 129968506 . In scientific notation, it is written as 1.29968505 × 10^8.
The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors.
There are 69316512 positive integers (up to 129968505) that are relatively prime to 129968505.
129968505 has 8 divisors, whose sum is 184844160
The reverse of 129968505 is 505869921
Previous prime number is 15
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
one hundred twenty-nine million nine hundred sixty-eight thousand five hundred five
Scientific notation
1.29968505 × 10^8
Engineering notation
1.29968505 × 10^6
Prime Factorization
3 × 15 × 2888189
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129968505
Product of the distinct prime numbers
The prime factorization of 129968505 is 3 × 15 × 2888189.
Since it has a total of 3 prime factors.
2 , 4 , 27 , 34 , 350 , 860 , 7365 , 9302 , 47303 , 69947 , 576790 , 120013 , 5151137 , 8424405 , 16749607 , 6914515 , 309733538 , 14083834 , 6529299923 , 3399403036
n×2
259937010
n×3
389905515
n×4
519874020
n×5
649842525
n÷2
64984252.5
n÷3
43322835
n÷3
32492126.25
n÷5
25993701
n2
16891812291935025
n3
2.1954035903234E+24
n4
2.8533332250597E+32
n5
3.7084345352783E+40
2 √n
11400.373020213
3 √n
506.5387890477
4 √n
106.77252933322
5 √n
41.95344461624
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
-129968504
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 129968505 can be divided by 8 positive divisors.
The sum of these divisors (counting 129968505) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101111110010100101111001
3
Ternary
100001120002021100
4
Quaternary
13233302211321
5
Quinary
231232443010
6
Senary
20521402013
8
Octal
757624571
10
Decimal
129968505
12
Duodecimal
37639309
16
Hexadecimal
7bf2979
20
Vigesimal
20c6155
36
Base36
25doc9
md5
16e24385ab0e0e49731fd90b5df4ce40
sha1
592acad20e5c34ce04ad4bf5e93e0c379d7b59a9
sha256
a6e6f7312d524d5beebbf0a09e1ed6cfa7a93f9f69734cf3d46f2b3a6b6a101f
sha512
099b19b06864778ad0e2283d2e2b98dfb4e860b1b359723763e279325e781b550b7b201248cd3414604d1799094747559850c1265a88b72835927f1d5363eae2
ripemd-160
64377b85f369873529c0cfd66b0aedff127efb35
Diameter
259937010
Circumference
816616201.0121
Area
5.3067193402161E+16
Volume
9.1960850546996E+24
Surface area
2.1226877360864E+17
Circumference
816616201.0121
Perimeter
519874020
Area
16891812291935025
Diagonal
183803222.45236
Surface area
101350873751610150
Volume
2.1954035903234E+24
Space diagonal
225112054.04377
Perimeter
389905515
Area
7.314369280387E+15
Altitude
112556027.02188
Surface area
7.314369280387E+15
Volume
2.5873079435983E+23
Height
61267740.817452