20771621 is an odd 8-digits composite number following 20771620
and preceding 20771622 . In scientific notation, it is written as 2.0771621 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 12 positive divisors.
There are 18944640 positive integers (up to 20771621) that are relatively prime to 20771621.
20771621 has 12 divisors, whose sum is 22761540
The reverse of 20771621 is 12617702
Previous prime number is 89
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million seven hundred seventy-one thousand six hundred twenty-one
Scientific notation
2.0771621 × 10^7
Engineering notation
2.0771621 × 10^6
Prime Factorization
13 × 13 × 89 × 1381
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1597817
Product of the distinct prime numbers
The prime factorization of 20771621 is 13 × 13 × 89 × 1381.
Since it has a total of 4 prime factors.
7 , 8 , 43 , 75 , 878 , 930 , 7839 , 4146 , 7037 , 72370 , 939791 , 581271 , 4818460 , 8609817 , 20274889 , 9167230 , 65594714 , 649984149 , 704570482 , 8149522232
n×2
41543242
n×3
62314863
n×4
83086484
n×5
103858105
n÷2
10385810.5
n÷3
6923873.6666667
n÷3
5192905.25
n÷5
4154324.2
n2
431460238967641
n3
8.9621285604053E+21
n4
1.8615793781001E+29
n5
3.8668021303312E+36
2 √n
4557.5893847515
3 √n
274.8886425167
4 √n
67.5099206395
5 √n
29.073283148919
1 , 13 , 89 , 169 , 1157 , 1381 , 15041 , 17953 , 122909 , 233389 , 1597817 , 20771621
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
-20771620
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 20771621 can be divided by 12 positive divisors.
The sum of these divisors (counting 20771621) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001111001111001100100101
3
Ternary
1110002022022022
4
Quaternary
1033033030211
5
Quinary
20304142441
6
Senary
2021112525
8
Octal
117171445
10
Decimal
20771621
12
Duodecimal
6b58745
16
Hexadecimal
13cf325
20
Vigesimal
69g911
36
Base36
cd7hh
md5
9f794e5088d04b899615cc7ada821048
sha1
ffb0cc92284f7e429fe2b5ba9d5acce51b2a244b
sha256
4a10966daa8a2ee36c412762cc8254d1154f9c327e29b3f15db613fb05cca15a
sha512
1b647d0c636b69ba3f3ae4a190cf38a19add189ac7be5a4ae4248d482e022233f92e93678e5d3784e862103daed208df602f25441680b3ac759d808ab58b063d
ripemd-160
106dd912bee5f008c212969a3f33f6c5d8d86e4f
Diameter
41543242
Circumference
130511943.8735
Area
1.3554723170568E+15
Volume
3.7540476327862E+22
Surface area
5.4218892682274E+15
Circumference
130511943.8735
Perimeter
83086484
Area
431460238967641
Diagonal
29375508.130674
Surface area
2588761433805846
Volume
8.9621285604053E+21
Space diagonal
35977502.927565
Perimeter
62314863
Area
1.8682776383444E+14
Altitude
17988751.463782
Surface area
1.8682776383444E+14
Volume
1.0561969798214E+21
Height
9791836.0435579