1388585428 is an even 10-digits composite number following 1388585427
and preceding 1388585429 . In scientific notation, it is written as 1.388585428 × 10^9.
The sum of its digits is 52. It has a total of 3 prime factors and 6 positive divisors.
There are 694292712 positive integers (up to 1388585428) that are relatively prime to 1388585428.
1388585428 has 6 divisors, whose sum is 2430024506
The reverse of 1388585428 is 8245858831
Previous prime number is 2
Is Prime? no
Number parity even
Number length 10
Sum of Digits 52
Digital Root 7
Name
one billion three hundred eighty-eight million five hundred eighty-five thousand four hundred twenty-eight
Scientific notation
1.388585428 × 10^9
Engineering notation
1.388585428 × 10^9
Prime Factorization
2 × 2 × 347146357
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
694292714
Product of the distinct prime numbers
The prime factorization of 1388585428 is 2 × 2 × 347146357.
Since it has a total of 3 prime factors.
10 , 1 , 32 , 28 , 958 , 155 , 1657 , 4249 , 82501 , 31403 , 940523 , 952754 , 4828919 , 7987320 , 4544212 , 72452693 , 653474210 , 467165192 , 8263297546 , 4930431560
n×2
2777170856
n×3
4165756284
n×4
5554341712
n×5
6942927140
n÷2
694292714
n÷3
462861809.33333
n÷3
347146357
n÷5
277717085.6
n2
1928169490853943184
n3
2.677428057714E+27
n4
3.71783758546E+36
n5
5.1625350948404E+45
2 √n
37263.728047526
3 √n
1115.6403188642
4 √n
193.03815179266
5 √n
67.37744228102
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1388585427
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1388585428 can be divided by 6 positive divisors.
The sum of these divisors (counting 1388585428) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1010010110001000010000111010100
3
Ternary
10120202212110002221
4
Quaternary
1102301002013110
5
Quinary
10320434213203
6
Senary
345442112124
8
Octal
12261020724
10
Decimal
1388585428
12
Duodecimal
32904b644
16
Hexadecimal
52c421d4
20
Vigesimal
11did3b8
36
Base36
myq7dg
md5
0089dbe4a70c0c0acc129bac4239a7f9
sha1
6c07db52f3f9ffc3c74bd4a5a1651c9436dc92de
sha256
2cba930e6e395c511fd5b538106e580461a55fa6e5e874a27ed2c78f7d4f0a9e
sha512
8e89a5e247ec222685f2cdc88b156babae1404582818899e4dd6f8c51734bf5dcb495e910f7c0222f320de38db84bf54859065b919d3da8e8dae42a2e68e12c4
ripemd-160
db7d300753a2661ae6bd5fb3e51f1324e713641e
Diameter
2777170856
Circumference
8724739558.9733
Area
6.0575231073427E+18
Volume
1.1215184422173E+28
Surface area
2.4230092429371E+19
Circumference
8724739558.9733
Perimeter
5554341712
Area
1928169490853943184
Diagonal
1963756344.7912
Surface area
1.1569016945124E+19
Volume
2.677428057714E+27
Space diagonal
2405100511.9458
Perimeter
4165756284
Area
8.3492188094081E+17
Altitude
1202550255.9729
Surface area
8.3492188094081E+17
Volume
3.1553792262478E+26
Height
654585448.26375