20681181 is an odd 8-digits composite number following 20681180
and preceding 20681182 . In scientific notation, it is written as 2.0681181 × 10^7.
The sum of its digits is 27. It has a total of 2 prime factors and 4 positive divisors.
There are 13787448 positive integers (up to 20681181) that are relatively prime to 20681181.
20681181 has 4 divisors, whose sum is 22979100
The reverse of 20681181 is 18118602
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million six hundred eighty-one thousand one hundred eighty-one
Scientific notation
2.0681181 × 10^7
Engineering notation
2.0681181 × 10^6
Prime Factorization
9 × 2297909
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20681181
Product of the distinct prime numbers
The prime factorization of 20681181 is 9 × 2297909.
Since it has a total of 2 prime factors.
9 , 3 , 32 , 82 , 394 , 696 , 9416 , 8882 , 85841 , 6541 , 391738 , 190628 , 5718213 , 4006960 , 60073405 , 97313742 , 423545112 , 73463805 , 8930686697 , 2236785233
n×2
41362362
n×3
62043543
n×4
82724724
n×5
103405905
n÷2
10340590.5
n÷3
6893727
n÷3
5170295.25
n÷5
4136236.2
n2
427711247554761
n3
8.8455737264158E+21
n4
1.8293691128485E+29
n5
3.7833513738629E+36
2 √n
4547.6566493085
3 √n
274.48910544318
4 √n
67.436315508104
5 √n
29.047921824564
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20681180
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20681181 can be divided by 4 positive divisors.
The sum of these divisors (counting 20681181) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110111001000111011101
3
Ternary
1102220201020200
4
Quaternary
1032321013131
5
Quinary
20243244211
6
Senary
2015134113
8
Octal
116710735
10
Decimal
20681181
12
Duodecimal
6b14339
16
Hexadecimal
13b91dd
20
Vigesimal
6952j1
36
Base36
cb9p9
md5
1fed3b4ae2974c919dd3d49ded00ab5d
sha1
554dbd556c6c74caa51887c474a1c28f773931d0
sha256
383e10a5abffb4ed1ae4dad6e7647aeca5801dfe66635a420af81578cb309468
sha512
2731528f1f9ae0c8dcdc50db2379baf5a8479717c899defdb2f8d980c456661c947358da745bdb4c406736ade390c53303c87c06292c09d70712304b094406a9
ripemd-160
a8f3c1ffdc4276d2724465cca49210c301da4894
Diameter
41362362
Circumference
129943692.59432
Area
1.3436945131758E+15
Volume
3.7052252580926E+22
Surface area
5.374778052703E+15
Circumference
129943692.59432
Perimeter
82724724
Area
427711247554761
Diagonal
29247606.656093
Surface area
2566267485328566
Volume
8.8455737264158E+21
Space diagonal
35820856.252528
Perimeter
62043543
Area
1.8520440293338E+14
Altitude
17910428.126264
Surface area
1.8520440293338E+14
Volume
1.0424608609057E+21
Height
9749202.2186976