12138812 is an even 8-digits composite number following 12138811
and preceding 12138813 . In scientific notation, it is written as 1.2138812 × 10^7.
The sum of its digits is 26. It has a total of 5 prime factors and 24 positive divisors.
There are 5061312 positive integers (up to 12138812) that are relatively prime to 12138812.
12138812 has 24 divisors, whose sum is 24935904
The reverse of 12138812 is 21883121
Previous prime number is 37
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twelve million one hundred thirty-eight thousand eight hundred twelve
Scientific notation
1.2138812 × 10^7
Engineering notation
1.2138812 × 10^6
Prime Factorization
2 × 2 × 7 × 37 × 11717
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
6069406
Product of the distinct prime numbers
The prime factorization of 12138812 is 2 × 2 × 7 × 37 × 11717.
Since it has a total of 5 prime factors.
1 , 5 , 22 , 10 , 164 , 631 , 355 , 3904 , 67666 , 10513 , 254553 , 987785 , 2541280 , 3578778 , 39556604 , 46728990 , 935404067 , 540077056 , 9664138667 , 3774819864
n×2
24277624
n×3
36416436
n×4
48555248
n×5
60694060
n÷2
6069406
n÷3
4046270.6666667
n÷3
3034703
n÷5
2427762.4
n2
147350756771344
n3
1.7886631345051E+21
n4
2.1712245521088E+28
n5
2.6356086647833E+35
2 √n
3484.0797924273
3 √n
229.82224450962
4 √n
59.026094165439
5 √n
26.111705388213
1 , 2 , 4 , 7 , 14 , 28 , 37 , 74 , 148 , 259 , 518 , 1036 , 11717 , 23434 , 46868 , 82019 , 164038 , 328076 , 433529 , 867058 , 1734116 , 3034703 , 6069406 , 12138812
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12138811
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12138812 can be divided by 24 positive divisors.
The sum of these divisors (counting 12138812) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
101110010011100100111100
3
Ternary
211211201022122
4
Quaternary
232103210330
5
Quinary
11101420222
6
Senary
1112102112
8
Octal
56234474
10
Decimal
12138812
12
Duodecimal
4094938
16
Hexadecimal
b9393c
20
Vigesimal
3fh70c
36
Base36
786d8
md5
a5e07ee52790c61b80064f9dec50a11f
sha1
489c32ea09d0db21a49e766dd0844083a5e70b8c
sha256
408420a3bf188c2966581745c768d7003eed5efdeb395b59bf501f7a5005f513
sha512
ef561b1be8f55182989606f20dda773ec74a1f617c8e078a4c25005dd71e4ecbd9e4fbdbfa0b90e89c11521d8ac468e3cf119221b94d99a3759136b24d3d6f1f
ripemd-160
6225a839cf6e8f23f5ef48de1cacb92777645546
Diameter
24277624
Circumference
76270405.205015
Area
4.6291605497375E+14
Volume
7.4923346174774E+21
Surface area
1.851664219895E+15
Circumference
76270405.205015
Perimeter
48555248
Area
147350756771344
Diagonal
17166872.561497
Surface area
884104540628064
Volume
1.7886631345051E+21
Space diagonal
21025039.127527
Perimeter
36416436
Area
63804749315423
Altitude
10512519.563763
Surface area
63804749315423
Volume
2.1079597194449E+20
Height
5722290.8538324