20280 is an even 5-digits composite number following 20279
and preceding 20281 . In scientific notation, it is written as 2.0280 × 10^4.
The sum of its digits is 12. It has a total of 7 prime factors and 48 positive divisors.
There are 4992 positive integers (up to 20280) that are relatively prime to 20280.
20280 has 48 divisors, whose sum is 65880
The reverse of 20280 is 08202
Previous prime number is 13
Is Prime? no
Number parity even
Number length 5
Sum of Digits 12
Digital Root 3
Name
twenty thousand two hundred eighty
Scientific notation
2.0280 × 10^4
Engineering notation
2.0280 × 10^3
Prime Factorization
2 × 2 × 2 × 3 × 5 × 13 × 13
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
390
Product of the distinct prime numbers
The prime factorization of 20280 is 2 × 2 × 2 × 3 × 5 × 13 × 13.
Since it has a total of 7 prime factors.
10 , 5 , 58 , 28 , 696 , 296 , 7496 , 1670 , 48127 , 79382 , 34395 , 368050 , 1050861 , 4063564 , 29684939 , 87974092 , 180065529 , 807635758 , 5020055761 , 1928185206
n×2
40560
n×3
60840
n×4
81120
n×5
101400
n÷2
10140
n÷3
6760
n÷3
5070
n÷5
4056
n2
411278400
n3
8340725952000
n4
169149922306560000
n5
3.430360424377E+21
2 √n
142.40786495134
3 √n
27.270262403498
4 √n
11.933476649801
5 √n
7.2679777672736
1 , 2 , 3 , 4 , 5 , 6 , 8 , 10 , 12 , 13 , 15 , 20 , 24 , 26 , 30 , 39 , 40 , 52 , 60 , 65 , 78 , 104 , 120 , 130 , 156 , 169 , 195 , 260 , 312 , 338 , 390 , 507 , 520 , 676 , 780 , 845 , 1014 , 1352 , 1560 , 1690 , 2028 , 2535 , 3380 , 4056 , 5070 , 6760 , 10140 , 20280
48 divisors
τ
Total Divisors
48
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20279
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.020833333333333
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
48
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20280 can be divided by 48 positive divisors.
The sum of these divisors (counting 20280) is 1, the average is 0.020833333333333.
Base
System
Value
2
Binary
100111100111000
3
Ternary
1000211010
4
Quaternary
10330320
5
Quinary
1122110
6
Senary
233520
8
Octal
47470
10
Decimal
20280
12
Duodecimal
b8a0
16
Hexadecimal
4f38
20
Vigesimal
2ae0
36
Base36
fnc
md5
c81bdaf1ff748793978692eed1ed5099
sha1
cd08dbb279ba2d087806a638b12bd58838a147a1
sha256
67c3df4c5d05a245ebeb56714f271f68a4b835e920610823a7b55c5e22388f3e
sha512
dacda7cb181f23a3561426901cfe1933429338f41360a84fc66e9611ac2544f008c130a6afa2e944d19f3b3a1d07abaa55c45d991dda0ddbf318bd4475411c2a
ripemd-160
5355ce3b8bd446e6b2552a8378038fb4e6da7335
Diameter
40560
Circumference
127422.9980296
Area
1292069200.0202
Volume
34937551168545
Surface area
5168276800.0807
Circumference
127422.9980296
Perimeter
81120
Area
411278400
Diagonal
28680.251044926
Surface area
2467670400
Volume
8340725952000
Space diagonal
35125.990377497
Perimeter
60840
Area
178088771.21391
Altitude
17562.995188748
Surface area
178088771.21391
Volume
982963980112.97
Height
9560.0836816421