20123491 is an odd 8-digits composite number following 20123490
and preceding 20123492 . In scientific notation, it is written as 2.0123491 × 10^7.
The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors.
There are 19999872 positive integers (up to 20123491) that are relatively prime to 20123491.
20123491 has 4 divisors, whose sum is 20247112
The reverse of 20123491 is 19432102
Previous prime number is 163
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million one hundred twenty-three thousand four hundred ninety-one
Scientific notation
2.0123491 × 10^7
Engineering notation
2.0123491 × 10^6
Prime Factorization
163 × 123457
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20123491
Product of the distinct prime numbers
The prime factorization of 20123491 is 163 × 123457.
Since it has a total of 2 prime factors.
7 , 1 , 14 , 50 , 236 , 311 , 141 , 5825 , 97997 , 34641 , 996220 , 119501 , 7514909 , 2276768 , 79884048 , 79645556 , 124295580 , 156763115 , 3589536833 , 5559937722
n×2
40246982
n×3
60370473
n×4
80493964
n×5
100617455
n÷2
10061745.5
n÷3
6707830.3333333
n÷3
5030872.75
n÷5
4024698.2
n2
404954890027081
n3
8.149106084866E+21
n4
1.6398846295685E+29
n5
3.3000203584159E+36
2 √n
4485.9214215142
3 √n
271.99929263801
4 √n
66.977021593336
5 √n
28.889542528741
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
-20123490
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 20123491 can be divided by 4 positive divisors.
The sum of these divisors (counting 20123491) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110000111101100011
3
Ternary
1101212101020111
4
Quaternary
1030300331203
5
Quinary
20122422431
6
Senary
1555152151
8
Octal
114607543
10
Decimal
20123491
12
Duodecimal
68a5657
16
Hexadecimal
1330f63
20
Vigesimal
65f8eb
36
Base36
bzbdv
md5
7ae5ae5952f2201165ad7d3dde694699
sha1
804fb6654b8505f32d9ebb8d2b231aae2480ed5b
sha256
b42a6d61d06fcec475acd3fb344442231df23e5199ade4e663b8fe19194d9f1a
sha512
f792f930cea0232f90949f965ebf0cfd89f3745453472f6c33a1ab96ddb60263bd354f139bb859ed23554190e7c430f7dd5de21458b517189e4f7d5309cbf1dc
ripemd-160
9d4cf0248d682001518653451344568bb2feb6bf
Diameter
40246982
Circumference
126439622.98036
Area
1.2722033075443E+15
Volume
3.4134895746052E+22
Surface area
5.0888132301774E+15
Circumference
126439622.98036
Perimeter
80493964
Area
404954890027081
Diagonal
28458913.894493
Surface area
2429729340162486
Volume
8.149106084866E+21
Space diagonal
34854908.837655
Perimeter
60370473
Area
1.7535061107509E+14
Altitude
17427454.418828
Surface area
1.7535061107509E+14
Volume
9.6038136220288E+20
Height
9486304.6314976