1388430 is an even 7-digits composite number following 1388429
and preceding 1388431 . In scientific notation, it is written as 1.388430 × 10^6.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 370224 positive integers (up to 1388430) that are relatively prime to 1388430.
1388430 has 16 divisors, whose sum is 2777040
The reverse of 1388430 is 0348831
Previous prime number is 5
Is Prime? no
Number parity even
Number length 7
Sum of Digits 27
Digital Root 9
Name
one million three hundred eighty-eight thousand four hundred thirty
Scientific notation
1.388430 × 10^6
Engineering notation
1.388430 × 10^6
Prime Factorization
2 × 9 × 5 × 15427
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1388430
Product of the distinct prime numbers
The prime factorization of 1388430 is 2 × 9 × 5 × 15427.
Since it has a total of 4 prime factors.
4 , 5 , 16 , 77 , 317 , 291 , 1001 , 5396 , 81268 , 66891 , 440293 , 260567 , 7440768 , 1304553 , 19766998 , 32057224 , 175236048 , 875131414 , 9906000526 , 3872954291
n×2
2776860
n×3
4165290
n×4
5553720
n×5
6942150
n÷2
694215
n÷3
462810
n÷3
347107.5
n÷5
277686
n2
1927737864900
n3
2676529083763107000
n4
3.7161732757692E+24
n5
5.1596464612762E+30
2 √n
1178.3165958264
3 √n
111.55986917978
4 √n
34.326616434284
5 √n
16.924069409031
1 , 2 , 5 , 9 , 10 , 18 , 45 , 90 , 15427 , 30854 , 77135 , 138843 , 154270 , 277686 , 694215 , 1388430
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
-1388429
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 1388430 can be divided by 16 positive divisors.
The sum of these divisors (counting 1388430) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101010010111110001110
3
Ternary
2121112120100
4
Quaternary
11102332032
5
Quinary
323412210
6
Senary
45431530
8
Octal
5227616
10
Decimal
1388430
12
Duodecimal
56b5a6
16
Hexadecimal
152f8e
20
Vigesimal
8db1a
36
Base36
trbi
md5
0773b5df41224898e08f5bbe382a8d66
sha1
72844a9348b63c86512bf99ea5b15fa205d6f404
sha256
5fba0c2dcc35f514745f7b032b257ef30af4189991502595eeb5b0a66f4a5f23
sha512
96b1a4bd9a2315f099b81b4606051c4565ef3fe903ef70a7ab45ee394681bd1b07c253c6c71419b1ef998bc3deca0cc11b5b2b5c0a22a5ee881ddb53d8e1ed61
ripemd-160
2018aeb2d8c780964178ff48a0de2a37376af0f1
Diameter
2776860
Circumference
8723762.9760474
Area
6056167114416.7
Volume
1.1211418808893E+19
Surface area
24224668457667
Circumference
8723762.9760474
Perimeter
5553720
Area
1927737864900
Diagonal
1963536.5364057
Surface area
11566427189400
Volume
2676529083763107000
Space diagonal
2404831.3027529
Perimeter
4165290
Area
834734981420.29
Altitude
1202415.6513764
Surface area
834734981420.29
Volume
3.1543197752865E+17
Height
654512.17880189