7428 is an even 4-digits composite number following 7427
and preceding 7429 . In scientific notation, it is written as 7.428 × 10^3.
The sum of its digits is 21. It has a total of 4 prime factors and 12 positive divisors.
There are 2472 positive integers (up to 7428) that are relatively prime to 7428.
7428 has 12 divisors, whose sum is 17360
The reverse of 7428 is 8247
Previous prime number is 3
Is Prime? no
Number parity even
Number length 4
Sum of Digits 21
Digital Root 3
Name
seven thousand four hundred twenty-eight
Scientific notation
7.428 × 10^3
Engineering notation
7.428 × 10^3
Prime Factorization
2 × 2 × 3 × 619
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
3714
Product of the distinct prime numbers
The prime factorization of 7428 is 2 × 2 × 3 × 619.
Since it has a total of 4 prime factors.
5 , 8 , 27 , 2 , 891 , 514 , 6810 , 744 , 71696 , 18052 , 445832 , 529320 , 9639767 , 6658582 , 80388116 , 73196885 , 527886371 , 246198693 , 8724431135 , 4911636850
n×2
14856
n×3
22284
n×4
29712
n×5
37140
n÷2
3714
n÷3
2476
n÷3
1857
n÷5
1485.6
n2
55175184
n3
409841266752
n4
3044300929433856
n5
2.2613067303835E+19
2 √n
86.185845705661
3 √n
19.511498806452
4 √n
9.2836332168856
5 √n
5.9453082821141
1 , 2 , 3 , 4 , 6 , 12 , 619 , 1238 , 1857 , 2476 , 3714 , 7428
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-7427
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 7428 can be divided by 12 positive divisors.
The sum of these divisors (counting 7428) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1110100000100
3
Ternary
101012010
4
Quaternary
1310010
5
Quinary
214203
6
Senary
54220
8
Octal
16404
10
Decimal
7428
12
Duodecimal
4370
16
Hexadecimal
1d04
20
Vigesimal
ib8
36
Base36
5qc
md5
cc6ef8cb8df3af5693726838cd728163
sha1
5f5fd30b774b771a8607fa939ea624a2d2dc64ad
sha256
7a48e12bda814dd8ef4a0e7d95bc728388224b45fc80e6286985228161426659
sha512
af1bb2d105d4f4a90126fb3eccc0b248311d1a5f171241c369fa5502d2721c8aa5c1cf0b5dfae8b82cf19e0587c68e986d1af35dfd3d5ee9bc14ed0a35c124f4
ripemd-160
7d2b51702840b8411082e580eb1930eb996781a9
Diameter
14856
Circumference
46671.50046173
Area
173337952.71487
Volume
1716739083688
Surface area
693351810.85946
Circumference
46671.50046173
Perimeter
29712
Area
55175184
Diagonal
10504.778341307
Surface area
331051104
Volume
409841266752
Space diagonal
12865.673398622
Perimeter
22284
Area
23891555.50124
Altitude
6432.8366993108
Surface area
23891555.50124
Volume
48300256488.404
Height
3501.5927804358