20201561 is an odd 8-digits composite number following 20201560
and preceding 20201562 . In scientific notation, it is written as 2.0201561 × 10^7.
The sum of its digits is 17. It has a total of 2 prime factors and 4 positive divisors.
There are 19708800 positive integers (up to 20201561) that are relatively prime to 20201561.
20201561 has 4 divisors, whose sum is 20694324
The reverse of 20201561 is 16510202
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 17
Digital Root 8
Name
twenty million two hundred one thousand five hundred sixty-one
Scientific notation
2.0201561 × 10^7
Engineering notation
2.0201561 × 10^6
Prime Factorization
41 × 492721
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20201561
Product of the distinct prime numbers
The prime factorization of 20201561 is 41 × 492721.
Since it has a total of 2 prime factors.
9 , 7 , 40 , 8 , 235 , 56 , 7318 , 7190 , 92788 , 46666 , 877 , 979894 , 914973 , 2769531 , 88663928 , 4797620 , 27491495 , 62111018 , 1691772009 , 6364674855
n×2
40403122
n×3
60604683
n×4
80806244
n×5
101007805
n÷2
10100780.5
n÷3
6733853.6666667
n÷3
5050390.25
n÷5
4040312.2
n2
408103066836721
n3
8.2443189989891E+21
n4
1.6654811316154E+29
n5
3.3645318674677E+36
2 √n
4494.6146664647
3 √n
272.35058329483
4 √n
67.041887402315
5 √n
28.911923483707
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
-20201560
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 20201561 can be divided by 4 positive divisors.
The sum of these divisors (counting 20201561) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101000100000001011001
3
Ternary
1102000100022222
4
Quaternary
1031010001121
5
Quinary
20132422221
6
Senary
2000553425
8
Octal
115040131
10
Decimal
20201561
12
Duodecimal
6922875
16
Hexadecimal
1344059
20
Vigesimal
6653i1
36
Base36
c0zmh
md5
e2838054c5df34d083b8c1765c31bc59
sha1
66fc8d0ac12692ed701a668c70a4cc3e10b7fbd8
sha256
0fd7b275a1923dfecc46934fd6b4d3eef2e1ba484bc5ee89c5dcdf016d754815
sha512
121889900bb829b5874b40984cba998162ac31204e3cfe08fc17c3f1667f71c1896338cb65ab71532df02ba619371eddefaf3756ed5abb05e0e1a39fae8d4211
ripemd-160
00b8af23c3126b9b846a7bdbbb271fd5bbaefd97
Diameter
40403122
Circumference
126930151.25729
Area
1.2820935966817E+15
Volume
3.45337226681E+22
Surface area
5.1283743867268E+15
Circumference
126930151.25729
Perimeter
80806244
Area
408103066836721
Diagonal
28569321.547307
Surface area
2448618401020326
Volume
8.2443189989891E+21
Space diagonal
34990130.044202
Perimeter
60604683
Area
1.7671381162147E+14
Altitude
17495065.022101
Surface area
1.7671381162147E+14
Volume
9.7160231174171E+20
Height
9523107.1824358