20541681 is an odd 8-digits composite number following 20541680
and preceding 20541682 . In scientific notation, it is written as 2.0541681 × 10^7.
The sum of its digits is 27. It has a total of 3 prime factors and 6 positive divisors.
There are 13694400 positive integers (up to 20541681) that are relatively prime to 20541681.
20541681 has 6 divisors, whose sum is 23077782
The reverse of 20541681 is 18614502
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million five hundred forty-one thousand six hundred eighty-one
Scientific notation
2.0541681 × 10^7
Engineering notation
2.0541681 × 10^6
Prime Factorization
9 × 9 × 253601
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2282409
Product of the distinct prime numbers
The prime factorization of 20541681 is 9 × 9 × 253601.
Since it has a total of 3 prime factors.
2 , 2 , 46 , 3 , 945 , 701 , 8348 , 8151 , 46195 , 82905 , 848918 , 106274 , 2285421 , 1425144 , 87760411 , 21448737 , 475102773 , 848137365 , 6254950036 , 6353417188
n×2
41083362
n×3
61625043
n×4
82166724
n×5
102708405
n÷2
10270840.5
n÷3
6847227
n÷3
5135420.25
n÷5
4108336.2
n2
421960658305761
n3
8.6677812374669E+21
n4
1.7805079715783E+29
n5
3.6574626770119E+36
2 √n
4532.2931282078
3 √n
273.87054552149
4 √n
67.322307805124
5 √n
29.008628490453
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
-20541680
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 20541681 can be divided by 6 positive divisors.
The sum of these divisors (counting 20541681) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1001110010111000011110001
3
Ternary
1102122121220000
4
Quaternary
1032113003301
5
Quinary
20224313211
6
Senary
2012140213
8
Octal
116270361
10
Decimal
20541681
12
Duodecimal
6a67669
16
Hexadecimal
13970f1
20
Vigesimal
687e41
36
Base36
c8a29
md5
5518f4c34ce1c29e6ecab36513442908
sha1
3bf6653a1abbd28d4ecee2f3e44b203c66030405
sha256
a27737c40f99911d394b07b568456d98f24fd84691249833e73f60af04659b5c
sha512
38a091eb435caa5eb2d6cc52e3d666b6d09e44488e17043d81dc26cb0d6634df2c2dba80b2d15570b92bb3d955a6a7bea0d5b22804037302c6bb88321802571b
ripemd-160
2119fef1eae7a059ab28bc8756f0dc760b3286b8
Diameter
41083362
Circumference
129067188.24397
Area
1.3256285042373E+15
Volume
3.6307517144733E+22
Surface area
5.3025140169492E+15
Circumference
129067188.24397
Perimeter
82166724
Area
421960658305761
Diagonal
29050323.864142
Surface area
2531763949834566
Volume
8.6677812374669E+21
Space diagonal
35579235.164872
Perimeter
61625043
Area
1.827143247452E+14
Altitude
17789617.582436
Surface area
1.827143247452E+14
Volume
1.0215078151424E+21
Height
9683441.2880472