30644 is an even 5-digits composite number following 30643
and preceding 30645 . In scientific notation, it is written as 3.0644 × 10^4.
The sum of its digits is 17. It has a total of 4 prime factors and 12 positive divisors.
There are 14904 positive integers (up to 30644) that are relatively prime to 30644.
30644 has 12 divisors, whose sum is 55104
The reverse of 30644 is 44603
Previous prime number is 163
Is Prime? no
Number parity even
Number length 5
Sum of Digits 17
Digital Root 8
Name
thirty thousand six hundred forty-four
Scientific notation
3.0644 × 10^4
Engineering notation
3.0644 × 10^3
Prime Factorization
2 × 2 × 163 × 47
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
15322
Product of the distinct prime numbers
The prime factorization of 30644 is 2 × 2 × 163 × 47.
Since it has a total of 4 prime factors.
4 , 8 , 66 , 39 , 708 , 25 , 564 , 8235 , 46251 , 80530 , 981251 , 851618 , 5513959 , 219741 , 4947825 , 52443443 , 518966300 , 989903209 , 9253527898 , 5431769124
n×2
61288
n×3
91932
n×4
122576
n×5
153220
n÷2
15322
n÷3
10214.666666667
n÷3
7661
n÷5
6128.8
n2
939054736
n3
28776393329984
n4
881823797204029696
n5
2.702260844152E+22
2 √n
175.05427729707
3 √n
31.293092549715
4 √n
13.230807885276
5 √n
7.8934905020547
1 , 2 , 4 , 47 , 94 , 163 , 188 , 326 , 652 , 7661 , 15322 , 30644
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
-30643
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 30644 can be divided by 12 positive divisors.
The sum of these divisors (counting 30644) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111011110110100
3
Ternary
1120000222
4
Quaternary
13132310
5
Quinary
1440034
6
Senary
353512
8
Octal
73664
10
Decimal
30644
12
Duodecimal
15898
16
Hexadecimal
77b4
20
Vigesimal
3gc4
36
Base36
nn8
md5
2d0773fd1353e5bcc2baca60eff83a98
sha1
afc3f1becba08eb0ab33f62818cc90f396979563
sha256
39d3b86e60eece088ccc6fcd18642380ac690651a4c94299d525d895f8551ee9
sha512
0fb65a425abf618d7e2b7c41bad6d95aa238075cbba2ae3c3fc3d28f59f178381c66a0c7b5633abc52b62744cb9679016d0031f6cfafc859aad25c97787fdd87
ripemd-160
30f64dea96df26dc4d8978895ec7a08956375887
Diameter
61288
Circumference
192541.93055321
Area
2950127459.9363
Volume
1.2053827450972E+14
Surface area
11800509839.745
Circumference
192541.93055321
Perimeter
122576
Area
939054736
Diagonal
43337.160405361
Surface area
5634328416
Volume
28776393329984
Space diagonal
53076.964947141
Perimeter
91932
Area
406622628.46004
Altitude
26538.48247357
Surface area
406622628.46004
Volume
3391330476953.8
Height
14445.72013512