20512 is an even 5-digits composite number following 20511
and preceding 20513 . In scientific notation, it is written as 2.0512 × 10^4.
The sum of its digits is 10. It has a total of 6 prime factors and 12 positive divisors.
There are 10240 positive integers (up to 20512) that are relatively prime to 20512.
20512 has 12 divisors, whose sum is 40446
The reverse of 20512 is 21502
Previous prime number is 2
Is Prime? no
Number parity even
Number length 5
Sum of Digits 10
Digital Root 1
Name
twenty thousand five hundred twelve
Scientific notation
2.0512 × 10^4
Engineering notation
2.0512 × 10^3
Prime Factorization
2 × 2 × 2 × 2 × 2 × 641
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
1282
Product of the distinct prime numbers
The prime factorization of 20512 is 2 × 2 × 2 × 2 × 2 × 641.
Since it has a total of 6 prime factors.
8 , 2 , 28 , 70 , 321 , 180 , 7966 , 6269 , 31832 , 7821 , 79863 , 317533 , 7336699 , 6103851 , 66064713 , 27764184 , 186046869 , 242043144 , 674916139 , 6433445703
n×2
41024
n×3
61536
n×4
82048
n×5
102560
n÷2
10256
n÷3
6837.3333333333
n÷3
5128
n÷5
4102.4
n2
420742144
n3
8630262857728
n4
177023951737716736
n5
3.631115298044E+21
2 √n
143.22011031975
3 √n
27.373857531048
4 √n
11.967460479139
5 √n
7.2845310963743
1 , 2 , 4 , 8 , 16 , 32 , 641 , 1282 , 2564 , 5128 , 10256 , 20512
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
-20511
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 20512 can be divided by 12 positive divisors.
The sum of these divisors (counting 20512) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
101000000100000
3
Ternary
1001010201
4
Quaternary
11000200
5
Quinary
1124022
6
Senary
234544
8
Octal
50040
10
Decimal
20512
12
Duodecimal
ba54
16
Hexadecimal
5020
20
Vigesimal
2b5c
36
Base36
fts
md5
8292195f4bd46e2ba9790f674a4c906f
sha1
296d138fc9d8f85c17384c3e8f595704a0a191ba
sha256
4bd43220eb13381a3cd464230fc55838ff5de0ee93d808581f9e8c268ffa2389
sha512
b629ffadc4573cb504828d96df2b62ac726fe9a0dac5f7d925fe04d84ead372c6208e7518ec7340cb154a9ef887c12ac0b24f325e080eca9b5aaa8f3b45e086a
ripemd-160
7cfa19f00cfe30910e33a79e6fcddaffc51304df
Diameter
41024
Circumference
128880.69702087
Area
1321800428.646
Volume
36150360523183
Surface area
5287201714.5841
Circumference
128880.69702087
Perimeter
82048
Area
420742144
Diagonal
29008.348591397
Surface area
2524452864
Volume
8630262857728
Space diagonal
35527.826164853
Perimeter
61536
Area
182186692.57337
Altitude
17763.913082426
Surface area
182186692.57337
Volume
1017086231687
Height
9669.4495304656