20101691 is an odd 8-digits composite number following 20101690
and preceding 20101692 . In scientific notation, it is written as 2.0101691 × 10^7.
The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors.
There are 20046552 positive integers (up to 20101691) that are relatively prime to 20101691.
20101691 has 4 divisors, whose sum is 20156832
The reverse of 20101691 is 19610102
Previous prime number is 367
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million one hundred one thousand six hundred ninety-one
Scientific notation
2.0101691 × 10^7
Engineering notation
2.0101691 × 10^6
Prime Factorization
367 × 54773
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20101691
Product of the distinct prime numbers
The prime factorization of 20101691 is 367 × 54773.
Since it has a total of 2 prime factors.
7 , 6 , 11 , 3 , 461 , 938 , 6853 , 9066 , 72050 , 84044 , 505962 , 829490 , 8229168 , 5616847 , 91264234 , 89940573 , 812034594 , 297607785 , 8559540717 , 4007499783
n×2
40203382
n×3
60305073
n×4
80406764
n×5
100508455
n÷2
10050845.5
n÷3
6700563.6666667
n÷3
5025422.75
n÷5
4020338.2
n2
404077981059481
n3
8.1226507151615E+21
n4
1.6327901477711E+29
n5
3.2821843018338E+36
2 √n
4483.4909389894
3 √n
271.90103720337
4 √n
66.958874983003
5 √n
28.883280542599
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
-20101690
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 20101691 can be divided by 4 positive divisors.
The sum of these divisors (counting 20101691) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100101011101000111011
3
Ternary
1101211021100002
4
Quaternary
1030223220323
5
Quinary
20121223231
6
Senary
1554503215
8
Octal
114535073
10
Decimal
20101691
12
Duodecimal
6894b0b
16
Hexadecimal
132ba3b
20
Vigesimal
65ce4b
36
Base36
byukb
md5
caad54c454d03f27397c4f08c6e92eb8
sha1
57161404a3902d0c58ba44efdf34a4fec2d701bd
sha256
9a18dd69f578fb95addc030bd4823ad12f23c439fbd379c7c894ff75bcfa43e1
sha512
d9fb42a138660230a8a081ac18060de25d82ec9656d09f0de6b143b925c6c5ce1256fa98a71139867d528fa069c262a4e16d210f7c51c2989512ececf440c80b
ripemd-160
1fd99cc84d8b86cc0032510f0962ba2c1cf8ebb4
Diameter
40203382
Circumference
126302649.54066
Area
1.2694484167739E+15
Volume
3.402407975257E+22
Surface area
5.0777936670954E+15
Circumference
126302649.54066
Perimeter
80406764
Area
404077981059481
Diagonal
28428084.038833
Surface area
2424467886356886
Volume
8.1226507151615E+21
Space diagonal
34817150.13005
Perimeter
60305073
Area
1.7497089835372E+14
Altitude
17408575.065025
Surface area
1.7497089835372E+14
Volume
9.5726356698341E+20
Height
9476028.0129444