12155439 is an odd 8-digits composite number following 12155438
and preceding 12155440 . In scientific notation, it is written as 1.2155439 × 10^7.
The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors.
There are 8103624 positive integers (up to 12155439) that are relatively prime to 12155439.
12155439 has 4 divisors, whose sum is 16207256
The reverse of 12155439 is 93455121
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twelve million one hundred fifty-five thousand four hundred thirty-nine
Scientific notation
1.2155439 × 10^7
Engineering notation
1.2155439 × 10^6
Prime Factorization
3 × 4051813
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12155439
Product of the distinct prime numbers
The prime factorization of 12155439 is 3 × 4051813.
Since it has a total of 2 prime factors.
9 , 5 , 6 , 33 , 938 , 660 , 8510 , 7034 , 62834 , 26912 , 823422 , 261226 , 2853402 , 3703625 , 59590580 , 39925663 , 467782344 , 823864756 , 4097074453 , 2227142035
n×2
24310878
n×3
36466317
n×4
48621756
n×5
60777195
n÷2
6077719.5
n÷3
4051813
n÷3
3038859.75
n÷5
2431087.8
n2
147754697282721
n3
1.7960232097836E+21
n4
2.1831450569109E+28
n5
2.6537086567431E+35
2 √n
3486.4651152708
3 √n
229.9271287734
4 √n
59.046296372175
5 √n
26.118854714636
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12155438
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12155439 can be divided by 4 positive divisors.
The sum of these divisors (counting 12155439) is 1, the average is 0.25.
Base
System
Value
2
Binary
101110010111101000101111
3
Ternary
211212120010110
4
Quaternary
232113220233
5
Quinary
11102433224
6
Senary
1112311103
8
Octal
56275057
10
Decimal
12155439
12
Duodecimal
40a2493
16
Hexadecimal
b97a2f
20
Vigesimal
3fj8bj
36
Base36
78j73
md5
8141086912f92527c92c74a4f7d5b7c7
sha1
67c354c63f5e498b8baa665e3e2b278689c1765c
sha256
9b585cec9057ac4cc536facd4ae01041085cdd6bfa3fd13a2ee817b29cacbcdf
sha512
24a0661b80ea323b59f7e1e436acbde00ea4459696b75d80f182e14e80eb303a3ea110567dd91ec30fb88aca9435e97320b627eafd96dc9b2ad2fd20dc46b9f1
ripemd-160
ea3a92d8363e83e12e61f00cb51ab8ff3fc46265
Diameter
24310878
Circumference
76374875.727118
Area
4.6418507151678E+14
Volume
7.5231644287105E+21
Surface area
1.8567402860671E+15
Circumference
76374875.727118
Perimeter
48621756
Area
147754697282721
Diagonal
17190386.690399
Surface area
886528183696326
Volume
1.7960232097836E+21
Space diagonal
21053837.936304
Perimeter
36466317
Area
63979660687658
Altitude
10526918.968152
Surface area
63979660687658
Volume
2.116633651344E+20
Height
5730128.8967996