12138906 is an even 8-digits composite number following 12138905
and preceding 12138907 . In scientific notation, it is written as 1.2138906 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 3735024 positive integers (up to 12138906) that are relatively prime to 12138906.
12138906 has 16 divisors, whose sum is 26145504
The reverse of 12138906 is 60983121
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twelve million one hundred thirty-eight thousand nine hundred six
Scientific notation
1.2138906 × 10^7
Engineering notation
1.2138906 × 10^6
Prime Factorization
2 × 13 × 3 × 155627
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12138906
Product of the distinct prime numbers
The prime factorization of 12138906 is 2 × 13 × 3 × 155627.
Since it has a total of 4 prime factors.
10 , 2 , 59 , 75 , 211 , 303 , 6929 , 2509 , 65277 , 62603 , 408863 , 1173 , 6573138 , 6531320 , 94998454 , 14043718 , 274702817 , 864420975 , 9606559286 , 232028749
n×2
24277812
n×3
36416718
n×4
48555624
n×5
60694530
n÷2
6069453
n÷3
4046302
n÷3
3034726.5
n÷5
2427781.2
n2
147353038876836
n3
1.7887046877403E+21
n4
2.1712918066238E+28
n5
2.6357107139177E+35
2 √n
3484.0932823333
3 √n
229.82283773723
4 √n
59.026208436027
5 √n
26.111745828623
1 , 2 , 3 , 6 , 13 , 26 , 39 , 78 , 155627 , 311254 , 466881 , 933762 , 2023151 , 4046302 , 6069453 , 12138906
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
-12138905
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 12138906 can be divided by 16 positive divisors.
The sum of these divisors (counting 12138906) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101110010011100110011010
3
Ternary
211211201110010
4
Quaternary
232103212122
5
Quinary
11101421111
6
Senary
1112102350
8
Octal
56234632
10
Decimal
12138906
12
Duodecimal
40949b6
16
Hexadecimal
b9399a
20
Vigesimal
3fh756
36
Base36
786fu
md5
0ae3dd11a321fa6557193ca28256e62b
sha1
7657143f888ce16a0d4192922c2792850e66b905
sha256
2a4f228210cd6a2e4541d9b480fee13b6237f1101171cc8ffe5e86bf573cb103
sha512
405d59e7fd366e62ee402131316edd1bfaeb70531435f49f1225117ad8220cff5edcad22ccba6f3743c48a9b8e0ba552d576261e3b65e9d52e905e324e9ca156
ripemd-160
4419055dbd28db1958a892388965a7981dde0deb
Diameter
24277812
Circumference
76270995.824434
Area
4.629232244196E+14
Volume
7.4925086752619E+21
Surface area
1.8516928976784E+15
Circumference
76270995.824434
Perimeter
48555624
Area
147353038876836
Diagonal
17167005.497572
Surface area
884118233261016
Volume
1.7887046877403E+21
Space diagonal
21025201.940303
Perimeter
36416718
Area
63805737496088
Altitude
10512600.970151
Surface area
63805737496088
Volume
2.1080086904022E+20
Height
5722335.1658574