12390655 is an odd 8-digits composite number following 12390654
and preceding 12390656 . In scientific notation, it is written as 1.2390655 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 9635328 positive integers (up to 12390655) that are relatively prime to 12390655.
12390655 has 16 divisors, whose sum is 15291360
The reverse of 12390655 is 55609321
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twelve million three hundred ninety thousand six hundred fifty-five
Scientific notation
1.2390655 × 10^7
Engineering notation
1.2390655 × 10^6
Prime Factorization
5 × 83 × 73 × 409
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12390655
Product of the distinct prime numbers
The prime factorization of 12390655 is 5 × 83 × 73 × 409.
Since it has a total of 4 prime factors.
8 , 5 , 62 , 82 , 14 , 974 , 6152 , 6253 , 96700 , 73045 , 311591 , 211496 , 2236092 , 7697038 , 10221884 , 71324820 , 109745366 , 892545652 , 1706331747 , 1799362050
n×2
24781310
n×3
37171965
n×4
49562620
n×5
61953275
n÷2
6195327.5
n÷3
4130218.3333333
n÷3
3097663.75
n÷5
2478131
n2
153528331329025
n3
1.9023165862236E+21
n4
2.3570948520675E+28
n5
2.9205949114244E+35
2 √n
3520.0362214045
3 √n
231.40074612298
4 √n
59.329893151805
5 √n
26.219164779105
1 , 5 , 73 , 83 , 365 , 409 , 415 , 2045 , 6059 , 29857 , 30295 , 33947 , 149285 , 169735 , 2478131 , 12390655
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
-12390654
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 12390655 can be divided by 16 positive divisors.
The sum of these divisors (counting 12390655) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101111010001000011111111
3
Ternary
212022111210011
4
Quaternary
233101003333
5
Quinary
11133000110
6
Senary
1121324051
8
Octal
57210377
10
Decimal
12390655
12
Duodecimal
4196627
16
Hexadecimal
bd10ff
20
Vigesimal
3h8gcf
36
Base36
7dkov
md5
466f46e6f784717d7a8744f93a2fcd0d
sha1
f341c5beb26d17f0ffa27d8e54a6602d1a9a348b
sha256
d302f00f9b2d8772bd3af7955d563a40eb66df862f8860f03005590ce2e433b7
sha512
bccbaece5e8572d3a2085649c103692eac62e915585f4aba4b498d52ec2b6f10a3eb0798897a372bf9a0d5d77d60d08ad0443bf011f9c93553d3952bc7335a44
ripemd-160
9f64797fc15e939bfafba02e00d46557513a8d43
Diameter
24781310
Circumference
77852781.442331
Area
4.8232347782116E+14
Volume
7.9684050827763E+21
Surface area
1.9292939112847E+15
Circumference
77852781.442331
Perimeter
49562620
Area
153528331329025
Diagonal
17523032.347686
Surface area
921169987974150
Volume
1.9023165862236E+21
Space diagonal
21461243.999057
Perimeter
37171965
Area
66479717565785
Altitude
10730621.999529
Surface area
66479717565785
Volume
2.241901596804E+20
Height
5841010.782562