129730018 is an even 9-digits composite number following 129730017
and preceding 129730019 . In scientific notation, it is written as 1.29730018 × 10^8.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 58968180 positive integers (up to 129730018) that are relatively prime to 129730018.
129730018 has 8 divisors, whose sum is 212285520
The reverse of 129730018 is 810037921
Previous prime number is 11
Is Prime? no
Number parity even
Number length 9
Sum of Digits 31
Digital Root 4
Name
one hundred twenty-nine million seven hundred thirty thousand eighteen
Scientific notation
1.29730018 × 10^8
Engineering notation
1.29730018 × 10^6
Prime Factorization
2 × 11 × 5896819
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129730018
Product of the distinct prime numbers
The prime factorization of 129730018 is 2 × 11 × 5896819.
Since it has a total of 3 prime factors.
9 , 9 , 83 , 40 , 594 , 510 , 7105 , 2527 , 19854 , 35582 , 235532 , 321188 , 3855630 , 8357842 , 89731179 , 37509024 , 428575624 , 771151936 , 2224374866 , 8146293078
n×2
259460036
n×3
389190054
n×4
518920072
n×5
648650090
n÷2
64865009
n÷3
43243339.333333
n÷3
32432504.5
n÷5
25946003.6
n2
16829877570280324
n3
2.1833403201303E+24
n4
2.8324477903062E+32
n5
3.6745350282049E+40
2 √n
11389.908603672
3 √n
506.22877321962
4 √n
106.72351476442
5 √n
41.938036724906
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
-129730017
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 129730018 can be divided by 8 positive divisors.
The sum of these divisors (counting 129730018) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101110111000010111100010
3
Ternary
100001002222010111
4
Quaternary
13232320113202
5
Quinary
231202330033
6
Senary
20512321534
8
Octal
756702742
10
Decimal
129730018
12
Duodecimal
375432aa
16
Hexadecimal
7bb85e2
20
Vigesimal
20ag50i
36
Base36
258kbm
md5
20791d87241b85c4f3fa444f6351743a
sha1
8cd2a566af7408537779d900015405d1b5df4432
sha256
88196254c99db55dab5babeea915c90db1cd2f421366f64585d762b9d3d8963d
sha512
ea66c8a0250a05046f91a92c8ef9e27ab31f8dab02a30822588063a42aed6e9ac23c0629d456df0ccf44fb1d515231c89316bbb67ca4f8d7b6752d2988244b58
ripemd-160
3a5e7cff5ab8f506970253d80ab2ce4f19c7463e
Diameter
259460036
Circumference
815117742.99774
Area
5.2872619735608E+16
Volume
9.1455545466768E+24
Surface area
2.1149047894243E+17
Circumference
815117742.99774
Perimeter
518920072
Area
16829877570280324
Diagonal
183465950.90251
Surface area
100979265421681944
Volume
2.1833403201303E+24
Space diagonal
224698982.44282
Perimeter
389190054
Area
7.2875507592223E+15
Altitude
112349491.22141
Surface area
7.2875507592223E+15
Volume
2.5730912433369E+23
Height
61155316.967502