129129561 is an odd 9-digits composite number following 129129560
and preceding 129129562 . In scientific notation, it is written as 1.29129561 × 10^8.
The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors.
There are 77839200 positive integers (up to 129129561) that are relatively prime to 129129561.
129129561 has 8 divisors, whose sum is 131136000
The reverse of 129129561 is 165921921
Previous prime number is 191
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 36
Digital Root 9
Name
one hundred twenty-nine million one hundred twenty-nine thousand five hundred sixty-one
Scientific notation
1.29129561 × 10^8
Engineering notation
1.29129561 × 10^6
Prime Factorization
99 × 191 × 6829
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129129561
Product of the distinct prime numbers
The prime factorization of 129129561 is 99 × 191 × 6829.
Since it has a total of 3 prime factors.
2 , 3 , 2 , 85 , 708 , 133 , 3481 , 8340 , 17615 , 53313 , 41472 , 253238 , 6831771 , 7352878 , 58374791 , 20331207 , 33286632 , 364959639 , 1625587585 , 4337432380
n×2
258259122
n×3
387388683
n×4
516518244
n×5
645647805
n÷2
64564780.5
n÷3
43043187
n÷3
32282390.25
n÷5
25825912.2
n2
16674443524052721
n3
2.1531635721802E+24
n4
2.7803706683682E+32
n5
3.5902804382367E+40
2 √n
11363.518865211
3 √n
505.44653638914
4 √n
106.59980705991
5 √n
41.89914250434
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
-129129560
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 129129561 can be divided by 8 positive divisors.
The sum of these divisors (counting 129129561) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101100100101110001011001
3
Ternary
22222222110110100
4
Quaternary
13230211301121
5
Quinary
231024121221
6
Senary
20451410013
8
Octal
754456131
10
Decimal
129129561
12
Duodecimal
372b3909
16
Hexadecimal
7b25c59
20
Vigesimal
20713i1
36
Base36
24vp09
md5
ce5aff6322424b15d11bd42dc37a9034
sha1
92e10548f89775b82082371b9b39080f216777c6
sha256
0e0b6d67956a336a6141072f69d0c368976715e7549a0386c0fc97d70adeff39
sha512
f4c1ed298f3f0446a843cf277b091082409495bca6d2ef44edda3a1f9c03de898765f8b271426a5ca51e9b4637192f5fa99901d4fde5bc3cfaff3d132a616ffd
ripemd-160
e2c844a5aa30a097d4335e39558939ec5336ef8a
Diameter
258259122
Circumference
811344960.39775
Area
5.2384309277862E+16
Volume
9.0191504804514E+24
Surface area
2.0953723711145E+17
Circumference
811344960.39775
Perimeter
516518244
Area
16674443524052721
Diagonal
182616776.46948
Surface area
100046661144316326
Volume
2.1531635721802E+24
Space diagonal
223658960.41106
Perimeter
387388683
Area
7.2202458428993E+15
Altitude
111829480.20553
Surface area
7.2202458428993E+15
Volume
2.5375276048208E+23
Height
60872258.823161