21662 is an even 5-digits composite number following 21661
and preceding 21663 . In scientific notation, it is written as 2.1662 × 10^4.
The sum of its digits is 17. It has a total of 2 prime factors and 4 positive divisors.
There are 10830 positive integers (up to 21662) that are relatively prime to 21662.
21662 has 4 divisors, whose sum is 32496
The reverse of 21662 is 26612
Previous prime number is 2
Is Prime? no
Number parity even
Number length 5
Sum of Digits 17
Digital Root 8
Name
twenty-one thousand six hundred sixty-two
Scientific notation
2.1662 × 10^4
Engineering notation
2.1662 × 10^3
Prime Factorization
2 × 10831
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21662
Product of the distinct prime numbers
The prime factorization of 21662 is 2 × 10831.
Since it has a total of 2 prime factors.
9 , 10 , 62 , 56 , 462 , 535 , 5320 , 164 , 68410 , 22996 , 235067 , 573937 , 2851981 , 5742619 , 33193448 , 87265485 , 341711570 , 549860361 , 5555563710 , 1393866060
n×2
43324
n×3
64986
n×4
86648
n×5
108310
n÷2
10831
n÷3
7220.6666666667
n÷3
5415.5
n÷5
4332.4
n2
469242244
n3
10164725489528
n4
220188283554155536
n5
4.7697185983501E+21
2 √n
147.18016170666
3 √n
27.876153705592
4 √n
12.131783121482
5 √n
7.3644396962719
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21661
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21662 can be divided by 4 positive divisors.
The sum of these divisors (counting 21662) is 1, the average is 0.25.
Base
System
Value
2
Binary
101010010011110
3
Ternary
1002201022
4
Quaternary
11102132
5
Quinary
1143122
6
Senary
244142
8
Octal
52236
10
Decimal
21662
12
Duodecimal
10652
16
Hexadecimal
549e
20
Vigesimal
2e32
36
Base36
gpq
md5
869a7463ba2ba84128dc8b6f21e5cee5
sha1
471b561f02812adffaced06731de5141e18c4bd4
sha256
f0c3e6495605ef44d5af325e2a7663574f172ad9eb2173f8406db17607f6d040
sha512
eab6809da1a37bff9c6547628881e0e1975b8bacb2837ba04bc9a4977a489d947c5594aeb57031f78ab0bfd0c6a901e58fa9d1e68082bfcceae690a1c6f52dae
ripemd-160
6d9ae12bfa60af01bffda0f6e0569b5fae028079
Diameter
43324
Circumference
136106.36012412
Area
1474167986.5044
Volume
42577902564877
Surface area
5896671946.0176
Circumference
136106.36012412
Perimeter
86648
Area
469242244
Diagonal
30634.694188126
Surface area
2815453464
Volume
10164725489528
Space diagonal
37519.684593557
Perimeter
64986
Area
203187851.91641
Altitude
18759.842296779
Surface area
203187851.91641
Volume
1197924387090.8
Height
10211.564729375