12388439 is an odd 8-digits composite number following 12388438
and preceding 12388440 . In scientific notation, it is written as 1.2388439 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 10618656 positive integers (up to 12388439) that are relatively prime to 12388439.
12388439 has 4 divisors, whose sum is 14158224
The reverse of 12388439 is 93488321
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twelve million three hundred eighty-eight thousand four hundred thirty-nine
Scientific notation
1.2388439 × 10^7
Engineering notation
1.2388439 × 10^6
Prime Factorization
7 × 1769777
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12388439
Product of the distinct prime numbers
The prime factorization of 12388439 is 7 × 1769777.
Since it has a total of 2 prime factors.
2 , 1 , 10 , 37 , 734 , 306 , 6085 , 5715 , 49168 , 75574 , 476295 , 467084 , 3988270 , 3303620 , 64008163 , 67812723 , 634749147 , 760365804 , 9136090332 , 6045609542
n×2
24776878
n×3
37165317
n×4
49553756
n×5
61942195
n÷2
6194219.5
n÷3
4129479.6666667
n÷3
3097109.75
n÷5
2477687.8
n2
153473420856721
n3
1.9012961124048E+21
n4
2.3554090909464E+28
n5
2.9179841843235E+35
2 √n
3519.7214378414
3 √n
231.3869503867
4 √n
59.327240268205
5 √n
26.218226881535
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
-12388438
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 12388439 can be divided by 4 positive divisors.
The sum of these divisors (counting 12388439) is 1, the average is 0.25.
Base
System
Value
2
Binary
101111010000100001010111
3
Ternary
212022101202002
4
Quaternary
233100201113
5
Quinary
11132412224
6
Senary
1121305515
8
Octal
57204127
10
Decimal
12388439
12
Duodecimal
419529b
16
Hexadecimal
bd0857
20
Vigesimal
3h8b1j
36
Base36
7dizb
md5
3c151a3605e686540248257e510de0c4
sha1
794d134e564baf801855897638f32c7939f518c1
sha256
8917fe030d2c5833aa7269416fd21efce4ef78e9ad35ac238221db6aa03e4e92
sha512
7c7f3ae66217c055fec1e4499c18205dcda64dacd455d947de8641523ba4dfed833d19f20413700fcc6d742edb9ad8b95b39b63989499a00638c306135549e98
ripemd-160
be5b3d0096311af9b0f5987e89126d8ea3d48159
Diameter
24776878
Circumference
77838857.903691
Area
4.8215097148477E+14
Volume
7.9641305320397E+21
Surface area
1.9286038859391E+15
Circumference
77838857.903691
Perimeter
49553756
Area
153473420856721
Diagonal
17519898.450432
Surface area
920840525140326
Volume
1.9012961124048E+21
Space diagonal
21457405.774468
Perimeter
37165317
Area
66455940633810
Altitude
10728702.887234
Surface area
66455940633810
Volume
2.2406989568751E+20
Height
5839966.1501439