16428 is an even 5-digits composite number following 16427
and preceding 16429 . In scientific notation, it is written as 1.6428 × 10^4.
The sum of its digits is 21. It has a total of 5 prime factors and 18 positive divisors.
There are 5328 positive integers (up to 16428) that are relatively prime to 16428.
16428 has 18 divisors, whose sum is 39396
The reverse of 16428 is 82461
Previous prime number is 37
Is Prime? no
Number parity even
Number length 5
Sum of Digits 21
Digital Root 3
Name
sixteen thousand four hundred twenty-eight
Scientific notation
1.6428 × 10^4
Engineering notation
1.6428 × 10^3
Prime Factorization
2 × 2 × 3 × 37 × 37
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
222
Product of the distinct prime numbers
The prime factorization of 16428 is 2 × 2 × 3 × 37 × 37.
Since it has a total of 5 prime factors.
9 , 5 , 15 , 76 , 568 , 94 , 9852 , 7903 , 60186 , 79051 , 424373 , 686560 , 2362593 , 4391919 , 97308468 , 32760725 , 413874559 , 807952199 , 1406263020 , 4689697078
n×2
32856
n×3
49284
n×4
65712
n×5
82140
n÷2
8214
n÷3
5476
n÷3
4107
n÷5
3285.6
n2
269879184
n3
4433575234752
n4
72834773956505856
n5
1.1965296665575E+21
2 √n
128.1717597601
3 √n
25.421132721732
4 √n
11.321296734919
5 √n
6.9681411415102
1 , 2 , 3 , 4 , 6 , 12 , 37 , 74 , 111 , 148 , 222 , 444 , 1369 , 2738 , 4107 , 5476 , 8214 , 16428
18 divisors
τ
Total Divisors
18
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-16427
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.055555555555556
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
18
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 16428 can be divided by 18 positive divisors.
The sum of these divisors (counting 16428) is 1, the average is 0.055555555555556.
Base
System
Value
2
Binary
100000000101100
3
Ternary
211112110
4
Quaternary
10000230
5
Quinary
1011203
6
Senary
204020
8
Octal
40054
10
Decimal
16428
12
Duodecimal
9610
16
Hexadecimal
402c
20
Vigesimal
2118
36
Base36
coc
md5
50959eee56aa5f4695971b375b69354f
sha1
8053eb55be257af28b76964796d2683de5a4941c
sha256
95944dae06f4e15b8e63e41064092bc51db9f568df5abcdb866112b0a58a759a
sha512
25ef7e7c921a6f246e6b588772b159b4beee54c3417223ebe3accec33621464cb95826d4f9258c4c14e82d543b9aefbbdcff8d0507e5ca45aac394ca8a247d18
ripemd-160
1eae3f6cb563b4286a90d9cd59bfa9ab525e6aca
Diameter
32856
Circumference
103220.16822635
Area
847850461.81121
Volume
18571316515513
Surface area
3391401847.2448
Circumference
103220.16822635
Perimeter
65712
Area
269879184
Diagonal
23232.700402665
Surface area
1619275104
Volume
4433575234752
Space diagonal
28454.130666742
Perimeter
49284
Area
116861114.64831
Altitude
14227.065333371
Surface area
116861114.64831
Volume
522501852232.31
Height
7744.2334675551