20900 is an even 5-digits composite number following 20899
and preceding 20901 . In scientific notation, it is written as 2.0900 × 10^4.
The sum of its digits is 11. It has a total of 5 prime factors and 24 positive divisors.
There are 7200 positive integers (up to 20900) that are relatively prime to 20900.
20900 has 24 divisors, whose sum is 43680
The reverse of 20900 is 00902
Previous prime number is 11
Is Prime? no
Number parity even
Number length 5
Sum of Digits 11
Digital Root 2
Name
twenty thousand nine hundred
Scientific notation
2.0900 × 10^4
Engineering notation
2.0900 × 10^3
Prime Factorization
2 × 2 × 25 × 11 × 19
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10450
Product of the distinct prime numbers
The prime factorization of 20900 is 2 × 2 × 25 × 11 × 19.
Since it has a total of 5 prime factors.
10 , 1 , 66 , 63 , 739 , 463 , 9273 , 45 , 74004 , 36031 , 709455 , 285225 , 7707387 , 6364624 , 80281326 , 51294654 , 513420061 , 104210796 , 889620700 , 1552785662
n×2
41800
n×3
62700
n×4
83600
n×5
104500
n÷2
10450
n÷3
6966.6666666667
n÷3
5225
n÷5
4180
n2
436810000
n3
9129329000000
n4
190802976100000000
n5
3.98778220049E+21
2 √n
144.56832294801
3 √n
27.545379620266
4 √n
12.023656804317
5 √n
7.3118833996737
1 , 2 , 4 , 11 , 19 , 22 , 25 , 38 , 44 , 50 , 76 , 100 , 209 , 275 , 418 , 475 , 550 , 836 , 950 , 1100 , 1900 , 5225 , 10450 , 20900
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20899
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20900 can be divided by 24 positive divisors.
The sum of these divisors (counting 20900) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
101000110100100
3
Ternary
1001200002
4
Quaternary
11012210
5
Quinary
1132100
6
Senary
240432
8
Octal
50644
10
Decimal
20900
12
Duodecimal
10118
16
Hexadecimal
51a4
20
Vigesimal
2c50
36
Base36
g4k
md5
55285adfd78a019a3245917649e29b3c
sha1
3d7f0c7ed4721c2bdb71664a4f9798809a822f9b
sha256
b1ac350b6a4eced63f9d0849fed512ab0a9db3caf64aa5689c7353e5625bd801
sha512
87b6241cdd55e178c7e93946047e1e28d01177374d82482c7d5a8c1d1e3b7c62cd807baff956f5ef04519ec2f151962b9b582229734889fc961088e5818a98b7
ripemd-160
86639664458d9023a415e7ab9c9883314d25e81a
Diameter
41800
Circumference
131318.57292005
Area
1372279087.0146
Volume
38240843891472
Surface area
5489116348.0582
Circumference
131318.57292005
Perimeter
83600
Area
436810000
Diagonal
29557.063453598
Surface area
2620860000
Volume
9129329000000
Space diagonal
36199.86187819
Perimeter
62700
Area
189144278.31354
Altitude
18099.930939095
Surface area
189144278.31354
Volume
1075901740597.2
Height
9852.3544845326