20790621 is an odd 8-digits composite number following 20790620
and preceding 20790622 . In scientific notation, it is written as 2.0790621 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 16 positive divisors.
There are 13777200 positive integers (up to 20790621) that are relatively prime to 20790621.
20790621 has 16 divisors, whose sum is 30985920
The reverse of 20790621 is 12609702
Previous prime number is 173
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million seven hundred ninety thousand six hundred twenty-one
Scientific notation
2.0790621 × 10^7
Engineering notation
2.0790621 × 10^6
Prime Factorization
3 × 3 × 3 × 173 × 4451
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
2310069
Product of the distinct prime numbers
The prime factorization of 20790621 is 3 × 3 × 3 × 173 × 4451.
Since it has a total of 5 prime factors.
8 , 9 , 20 , 2 , 84 , 957 , 1241 , 7384 , 38854 , 35865 , 534636 , 251169 , 8008370 , 1728916 , 2727327 , 71053308 , 956693297 , 17615176 , 6986124382 , 2852986529
n×2
41581242
n×3
62371863
n×4
83162484
n×5
103953105
n÷2
10395310.5
n÷3
6930207
n÷3
5197655.25
n÷5
4158124.2
n2
432249921565641
n3
8.986744296551E+21
n4
1.868399946935E+29
n5
3.8845195173146E+36
2 √n
4559.6733435631
3 √n
274.97243139613
4 √n
67.525353339047
5 √n
29.078599925874
1 , 3 , 9 , 27 , 173 , 519 , 1557 , 4451 , 4671 , 13353 , 40059 , 120177 , 770023 , 2310069 , 6930207 , 20790621
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
-20790620
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 20790621 can be divided by 16 positive divisors.
The sum of these divisors (counting 20790621) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111010011110101011101
3
Ternary
1110010021101000
4
Quaternary
1033103311131
5
Quinary
20310244441
6
Senary
2021340513
8
Octal
117236535
10
Decimal
20790621
12
Duodecimal
6b67739
16
Hexadecimal
13d3d5d
20
Vigesimal
69igb1
36
Base36
cdm59
md5
80b317f982d28602c92acc631a7e6409
sha1
5fd8eff1f08922457ef8739bce7ef0bfaee7ebdc
sha256
df99f2a154d5bc7e258a044e40a3850b1cc26e94460731cf533d8da77ff20207
sha512
379472c125809f4ccdced44343f8ee75107228a65c90a785c94db1d6b16e869813377180c6db3929eb21faf2fa75d3b4b1a0c1be96391c5162719f6d668806ee
ripemd-160
30dae1c73d6cabff52d598387118be4857f41162
Diameter
41581242
Circumference
130631324.39434
Area
1.3579531781054E+15
Volume
3.7643586482313E+22
Surface area
5.4318127124215E+15
Circumference
130631324.39434
Perimeter
83162484
Area
432249921565641
Diagonal
29402378.188359
Surface area
2593499529393846
Volume
8.986744296551E+21
Space diagonal
36010411.892908
Perimeter
62371863
Area
1.8716970642984E+14
Altitude
18005205.946454
Surface area
1.8716970642984E+14
Volume
1.0590979721468E+21
Height
9800792.729453