21690836 is an even 8-digits composite number following 21690835
and preceding 21690837 . In scientific notation, it is written as 2.1690836 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 6 positive divisors.
There are 10845416 positive integers (up to 21690836) that are relatively prime to 21690836.
21690836 has 6 divisors, whose sum is 37958970
The reverse of 21690836 is 63809612
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-one million six hundred ninety thousand eight hundred thirty-six
Scientific notation
2.1690836 × 10^7
Engineering notation
2.1690836 × 10^6
Prime Factorization
2 × 2 × 5422709
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
10845418
Product of the distinct prime numbers
The prime factorization of 21690836 is 2 × 2 × 5422709.
Since it has a total of 3 prime factors.
3 , 4 , 44 , 43 , 122 , 57 , 7943 , 823 , 75783 , 51815 , 384772 , 678558 , 6553047 , 3604567 , 97851233 , 24225210 , 450334728 , 708077016 , 5936631792 , 4749294316
n×2
43381672
n×3
65072508
n×4
86763344
n×5
108454180
n÷2
10845418
n÷3
7230278.6666667
n÷3
5422709
n÷5
4338167.2
n2
470492366378896
n3
1.0205372758377E+22
n4
2.2136306682081E+29
n5
4.8015499788673E+36
2 √n
4657.3421605031
3 √n
278.88517604713
4 √n
68.244722583531
5 √n
29.326163946835
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21690835
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21690836 can be divided by 6 positive divisors.
The sum of these divisors (counting 21690836) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1010010101111100111010100
3
Ternary
1111211000020022
4
Quaternary
1102233213110
5
Quinary
21023101321
6
Senary
2052524312
8
Octal
122574724
10
Decimal
21690836
12
Duodecimal
7320698
16
Hexadecimal
14af9d4
20
Vigesimal
6fb71g
36
Base36
cwwr8
md5
1787273dc0ea4989c7867375a7170b06
sha1
eda8ee7d794eb9f9dac7c2c3f6302cc267a338d2
sha256
3d600d113d5e6b601408dc7fbe5cee0e53c74624864027de553ef75215ac1e40
sha512
5eb02a919fa7f36741ccc014564c05425e9498dd5ad1376bda53ff9ce0354a383e9fffa1790e83c82baaa5e3d587e20b8967366ed80dbc904bfd0fc724818b5a
ripemd-160
7454f827b1c1f511b4210b04b92f70523bc11356
Diameter
43381672
Circumference
136287542.05564
Area
1.478095361786E+15
Volume
4.2748165446482E+22
Surface area
5.9123814471441E+15
Circumference
136287542.05564
Perimeter
86763344
Area
470492366378896
Diagonal
30675474.450411
Surface area
2822954198273376
Volume
1.0205372758377E+22
Space diagonal
37569630.010644
Perimeter
65072508
Area
2.0372917078539E+14
Altitude
18784815.005322
Surface area
2.0372917078539E+14
Volume
1.2027147136641E+21
Height
10225158.150137