20930 is an even 5-digits composite number following 20929
and preceding 20931 . In scientific notation, it is written as 2.0930 × 10^4.
The sum of its digits is 14. It has a total of 3 prime factors and 8 positive divisors.
There are 6336 positive integers (up to 20930) that are relatively prime to 20930.
20930 has 8 divisors, whose sum is 33852
The reverse of 20930 is 03902
Previous prime number is 805
Is Prime? no
Number parity even
Number length 5
Sum of Digits 14
Digital Root 5
Name
twenty thousand nine hundred thirty
Scientific notation
2.0930 × 10^4
Engineering notation
2.0930 × 10^3
Prime Factorization
2 × 805 × 13
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20930
Product of the distinct prime numbers
The prime factorization of 20930 is 2 × 805 × 13.
Since it has a total of 3 prime factors.
7 , 6 , 16 , 58 , 988 , 359 , 8953 , 8746 , 82688 , 61242 , 759005 , 937917 , 164371 , 1472555 , 31049853 , 53566366 , 399661419 , 591376646 , 6550885607 , 1952278186
n×2
41860
n×3
62790
n×4
83720
n×5
104650
n÷2
10465
n÷3
6976.6666666667
n÷3
5232.5
n÷5
4186
n2
438064900
n3
9168698357000
n4
191900856612010000
n5
4.0164849288894E+21
2 √n
144.67204291085
3 √n
27.558552926732
4 √n
12.027969193129
5 √n
7.3139813007649
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20929
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20930 can be divided by 8 positive divisors.
The sum of these divisors (counting 20930) is 1, the average is 0.125.
Base
System
Value
2
Binary
101000111000010
3
Ternary
1001201012
4
Quaternary
11013002
5
Quinary
1132210
6
Senary
240522
8
Octal
50702
10
Decimal
20930
12
Duodecimal
10142
16
Hexadecimal
51c2
20
Vigesimal
2c6a
36
Base36
g5e
md5
2cfd73d6effa33badc4c55b0c67a056d
sha1
2865978da50f086892a669e37bced8a82a1b98b7
sha256
c299bfa9c4ea845079b8f077785488e8652134693112fc1738f7c5664a246787
sha512
24119fadd17b79b16b3a16315d8034f4cdf4f084b7254c6c502a82f906105a068b9224c5232d600a6af52f5868a97ef27b7d88b2858fb84f59dbc4bc6eee5827
ripemd-160
6658a1165a56993a2cb1187ab269dc4539c25b90
Diameter
41860
Circumference
131507.06847927
Area
1376221471.6355
Volume
38405753868443
Surface area
5504885886.5422
Circumference
131507.06847927
Perimeter
83720
Area
438064900
Diagonal
29599.489860469
Surface area
2628389400
Volume
9168698357000
Space diagonal
36251.823402417
Perimeter
62790
Area
189687665.95314
Altitude
18125.911701208
Surface area
189687665.95314
Volume
1080541463814.8
Height
9866.4966201563