2021690 is an even 7-digits composite number following 2021689
and preceding 2021691 . In scientific notation, it is written as 2.021690 × 10^6.
The sum of its digits is 20. It has a total of 4 prime factors and 16 positive divisors.
There are 735120 positive integers (up to 2021690) that are relatively prime to 2021690.
2021690 has 16 divisors, whose sum is 3970080
The reverse of 2021690 is 0961202
Previous prime number is 11
Is Prime? no
Number parity even
Number length 7
Sum of Digits 20
Digital Root 2
Name
two million twenty-one thousand six hundred ninety
Scientific notation
2.021690 × 10^6
Engineering notation
2.021690 × 10^6
Prime Factorization
2 × 5 × 11 × 18379
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
2021690
Product of the distinct prime numbers
The prime factorization of 2021690 is 2 × 5 × 11 × 18379.
Since it has a total of 4 prime factors.
2 , 7 , 56 , 74 , 486 , 943 , 564 , 2564 , 40415 , 82614 , 615989 , 650851 , 9880048 , 8818567 , 70965083 , 77207387 , 501389963 , 885364590 , 8280556208 , 1351718112
n×2
4043380
n×3
6065070
n×4
8086760
n×5
10108450
n÷2
1010845
n÷3
673896.66666667
n÷3
505422.5
n÷5
404338
n2
4087230456100
n3
8263112940792809000
n4
1.6705452801271E+25
n5
3.3773246873802E+31
2 √n
1421.8614559794
3 √n
126.44592980481
4 √n
37.707578230104
5 √n
18.244959874968
1 , 2 , 5 , 10 , 11 , 22 , 55 , 110 , 18379 , 36758 , 91895 , 183790 , 202169 , 404338 , 1010845 , 2021690
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-2021689
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2021690 can be divided by 16 positive divisors.
The sum of these divisors (counting 2021690) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101101100100111010
3
Ternary
10210201020102
4
Quaternary
13231210322
5
Quinary
1004143230
6
Senary
111155402
8
Octal
7554472
10
Decimal
2021690
12
Duodecimal
815b62
16
Hexadecimal
1ed93a
20
Vigesimal
cce4a
36
Base36
17by2
md5
2f90acdb92a5528afba6ac6a5cfeee48
sha1
dc9ec469afd31b84935720b54be135faf3de5938
sha256
3ecc3f231f8b032247edcac92048a35a1742df8828f9586b3c38457169667ffb
sha512
ae753e66957f321205a21bdcacd2254294cb1b42aa6b312a8da7dedff697103dd9a5fbcdf359c8d70cf7e8e02d83f5c466693d9ecb4c778f32070e93c85e1e11
ripemd-160
3ed27312a9cad3da5e1fb16b03faaa8eeea0e8c0
Diameter
4043380
Circumference
12702652.903672
Area
12840413174412
Volume
3.4612446547437E+19
Surface area
51361652697649
Circumference
12702652.903672
Perimeter
8086760
Area
4087230456100
Diagonal
2859101.4169141
Surface area
24523382736600
Volume
8263112940792809000
Space diagonal
3501669.7971539
Perimeter
6065070
Area
1769822703052
Altitude
1750834.898577
Surface area
1769822703052
Volume
9.7381719902415E+17
Height
953033.80563802