21662012 is an even 8-digits composite number following 21662011
and preceding 21662013 . In scientific notation, it is written as 2.1662012 × 10^7.
The sum of its digits is 20. It has a total of 4 prime factors and 12 positive divisors.
There are 10193856 positive integers (up to 21662012) that are relatively prime to 21662012.
21662012 has 12 divisors, whose sum is 40138560
The reverse of 21662012 is 21026612
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty-one million six hundred sixty-two thousand twelve
Scientific notation
2.1662012 × 10^7
Engineering notation
2.1662012 × 10^6
Prime Factorization
2 × 2 × 17 × 318559
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10831006
Product of the distinct prime numbers
The prime factorization of 21662012 is 2 × 2 × 17 × 318559.
Since it has a total of 4 prime factors.
5 , 10 , 1 , 33 , 474 , 64 , 838 , 2311 , 40582 , 87436 , 152020 , 916648 , 5862594 , 6396053 , 85708138 , 50125843 , 309986166 , 279495913 , 4437010815 , 5904199325
n×2
43324024
n×3
64986036
n×4
86648048
n×5
108310060
n÷2
10831006
n÷3
7220670.6666667
n÷3
5415503
n÷5
4332402.4
n2
469242763888144
n3
1.0164742382258E+22
n4
2.2018877146138E+29
n5
4.7697318096618E+36
2 √n
4654.246662995
3 √n
278.76158853067
4 √n
68.222039422719
5 √n
29.318365750218
1 , 2 , 4 , 17 , 34 , 68 , 318559 , 637118 , 1274236 , 5415503 , 10831006 , 21662012
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
-21662011
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 21662012 can be divided by 12 positive divisors.
The sum of these divisors (counting 21662012) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010010101000100100111100
3
Ternary
1111202112200202
4
Quaternary
1102220210330
5
Quinary
21021141022
6
Senary
2052143032
8
Octal
122504474
10
Decimal
21662012
12
Duodecimal
7307a78
16
Hexadecimal
14a893c
20
Vigesimal
6f7f0c
36
Base36
cwaik
md5
1a1a35a40b367cbc5969cfe3d56782ac
sha1
bcf4b7606e2ef8d4b1504b3040dd2ab0a381de18
sha256
de86297e5c02d0609f14d925883f54dea607fc3712c5f1b74c5d4200c6b9fc50
sha512
cf084924d3d793d62c06ee613ac3798f242e8bb5a5ba1e91288108ed7fee9c5c9d9162cef9b3b458c94abef91744696cc731a80829a510b99b512758c8533b29
ripemd-160
10b61f3b533c970def2914a0e265a5bf0f6cb5a5
Diameter
43324024
Circumference
136106435.52235
Area
1.4741696197812E+15
Volume
4.257797332498E+22
Surface area
5.8966784791247E+15
Circumference
136106435.52235
Perimeter
86648048
Area
469242763888144
Diagonal
30634711.158689
Surface area
2815456583328864
Volume
1.0164742382258E+22
Space diagonal
37519705.378167
Perimeter
64986036
Area
2.0318807703458E+14
Altitude
18759852.689083
Surface area
2.0318807703458E+14
Volume
1.1979263779182E+21
Height
10211570.38623