129618 is an even 6-digits composite number following 129617
and preceding 129619 . In scientific notation, it is written as 1.29618 × 10^5.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 40824 positive integers (up to 129618) that are relatively prime to 129618.
129618 has 16 divisors, whose sum is 228000
The reverse of 129618 is 816921
Previous prime number is 19
Is Prime? no
Number parity even
Number length 6
Sum of Digits 27
Digital Root 9
Name
one hundred twenty-nine thousand six hundred eighteen
Scientific notation
1.29618 × 10^5
Engineering notation
1.29618 × 10^3
Prime Factorization
2 × 9 × 19 × 379
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
129618
Product of the distinct prime numbers
The prime factorization of 129618 is 2 × 9 × 19 × 379.
Since it has a total of 4 prime factors.
9 , 5 , 67 , 35 , 792 , 119 , 1933 , 4699 , 92694 , 71909 , 977447 , 439702 , 2084052 , 3437998 , 96607531 , 74898568 , 649983942 , 93342893 , 3594689384 , 2940629524
n×2
259236
n×3
388854
n×4
518472
n×5
648090
n÷2
64809
n÷3
43206
n÷3
32404.5
n÷5
25923.6
n2
16800825924
n3
2177689454617032
n4
2.8226775172855E+20
n5
3.6586981443551E+25
2 √n
360.024999132
3 √n
50.608302678162
4 √n
18.974324734546
5 √n
10.53253869182
1 , 2 , 9 , 18 , 19 , 38 , 171 , 342 , 379 , 758 , 3411 , 6822 , 7201 , 14402 , 64809 , 129618
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129617
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129618 can be divided by 16 positive divisors.
The sum of these divisors (counting 129618) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11111101001010010
3
Ternary
20120210200
4
Quaternary
133221102
5
Quinary
13121433
6
Senary
2440030
8
Octal
375122
10
Decimal
129618
12
Duodecimal
63016
16
Hexadecimal
1fa52
20
Vigesimal
g40i
36
Base36
2s0i
md5
b175e4bfbd304e3931b7878a95492284
sha1
7e688bd52b834e5726fadf3284ac90fbeadb72ab
sha256
ab8577e83dc34e467b93cecf45728128873cc0b37e7a2ca430a9dcceb59dd4a5
sha512
8edd0d6bd9d897dd79f51f656b2077a9f3a17850a3482200fb8f0ad41360e515064939a35e313f6797947ab508e7c01765c4b699ebe7492a4b789845c4e3907b
ripemd-160
f1e5d2fd899da4ad33e6b546dee9c3e5cf4a3411
Diameter
259236
Circumference
814413.913146
Area
52781351297.079
Volume
9.1218842565664E+15
Surface area
211125405188.32
Circumference
814413.913146
Perimeter
518472
Area
16800825924
Diagonal
183307.53352768
Surface area
100804955544
Volume
2177689454617032
Space diagonal
224504.96157546
Perimeter
388854
Area
7274971027.3721
Altitude
112252.48078773
Surface area
7274971027.3721
Volume
2.5664316344636E+14
Height
61102.511175892