129646971 is an odd 9-digits composite number following 129646970
and preceding 129646972 . In scientific notation, it is written as 1.29646971 × 10^8.
The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors.
There are 86108400 positive integers (up to 129646971) that are relatively prime to 129646971.
129646971 has 8 divisors, whose sum is 144590400
The reverse of 129646971 is 179646921
Previous prime number is 269
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
one hundred twenty-nine million six hundred forty-six thousand nine hundred seventy-one
Scientific notation
1.29646971 × 10^8
Engineering notation
1.29646971 × 10^6
Prime Factorization
9 × 269 × 53551
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129646971
Product of the distinct prime numbers
The prime factorization of 129646971 is 9 × 269 × 53551.
Since it has a total of 3 prime factors.
4 , 1 , 44 , 71 , 270 , 862 , 5098 , 4608 , 11240 , 13751 , 807329 , 859469 , 7241727 , 8614543 , 47098821 , 11370481 , 927787525 , 169935507 , 1537933960 , 1420528176
n×2
259293942
n×3
388940913
n×4
518587884
n×5
648234855
n÷2
64823485.5
n÷3
43215657
n÷3
32411742.75
n÷5
25929394.2
n2
16808337089474841
n3
2.1791499911974E+24
n4
2.8252019571342E+32
n5
3.6627887620572E+40
2 √n
11386.262380606
3 √n
506.12072895044
4 √n
106.7064308306
5 √n
41.932666001385
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
-129646970
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 129646971 can be divided by 8 positive divisors.
The sum of these divisors (counting 129646971) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101110100100000101111011
3
Ternary
100000221202012200
4
Quaternary
13232210011323
5
Quinary
231142200341
6
Senary
20510441243
8
Octal
756440573
10
Decimal
129646971
12
Duodecimal
37503223
16
Hexadecimal
7ba417b
20
Vigesimal
20a5h8b
36
Base36
256s8r
md5
090714c942aa9056ebdd741209a73453
sha1
ccd296d145b3dc78e52b75adc5c42f8eb24c30d5
sha256
4210f6416b6668ba4a219c078204aa6208a93ec18f66f7a547097743163f90b7
sha512
09941300b6e42d1d1f7a56b5643cc23b3aa4064a8ae46c7a96a4c9828b09786fb94f2ec1b5c8024c3f34f31d8b2c18133c8cf12e50eea1f71838cb9c0c8a0de7
ripemd-160
ca9bc762c5d0dd7e0819707276d5f76b8d7eefca
Diameter
259293942
Circumference
814595943.30754
Area
5.2804948319355E+16
Volume
9.1280021378879E+24
Surface area
2.1121979327742E+17
Circumference
814595943.30754
Perimeter
518587884
Area
16808337089474841
Diagonal
183348504.70879
Surface area
100850022536849046
Volume
2.1791499911974E+24
Space diagonal
224555140.81941
Perimeter
388940913
Area
7.2782234574287E+15
Altitude
112277570.4097
Surface area
7.2782234574287E+15
Volume
2.5681528933304E+23
Height
61116168.236264