20221561 is an odd 8-digits composite number following 20221560
and preceding 20221562 . In scientific notation, it is written as 2.0221561 × 10^7.
The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors.
There are 19890000 positive integers (up to 20221561) that are relatively prime to 20221561.
20221561 has 4 divisors, whose sum is 20553124
The reverse of 20221561 is 16512202
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty million two hundred twenty-one thousand five hundred sixty-one
Scientific notation
2.0221561 × 10^7
Engineering notation
2.0221561 × 10^6
Prime Factorization
61 × 331501
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20221561
Product of the distinct prime numbers
The prime factorization of 20221561 is 61 × 331501.
Since it has a total of 2 prime factors.
10 , 7 , 43 , 97 , 377 , 171 , 4706 , 8567 , 31097 , 23015 , 824772 , 398857 , 1770273 , 1179738 , 26152084 , 45413251 , 772410422 , 351193445 , 6988407352 , 9224223501
n×2
40443122
n×3
60664683
n×4
80886244
n×5
101107805
n÷2
10110780.5
n÷3
6740520.3333333
n÷3
5055390.25
n÷5
4044312.2
n2
408911529276721
n3
8.2688294328725E+21
n4
1.6720863877543E+29
n5
3.3812196887243E+36
2 √n
4496.8390008983
3 √n
272.44043138626
4 √n
67.058474489794
5 √n
28.917645908999
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
-20221560
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 20221561 can be divided by 4 positive divisors.
The sum of these divisors (counting 20221561) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101001000111001111001
3
Ternary
1102001100202201
4
Quaternary
1031020321321
5
Quinary
20134042221
6
Senary
2001230201
8
Octal
115107171
10
Decimal
20221561
12
Duodecimal
6932361
16
Hexadecimal
1348e79
20
Vigesimal
667di1
36
Base36
c1f21
md5
9d29c1423a346a5bc2633b8077bf174e
sha1
618cee348091a4b78b07aeac3e675dc5319c2d52
sha256
605812845c542ede478d87c985f46443f9b30df1690ef02f07b240ee766f8bd1
sha512
7397ba5af2a666c63118474d0318130a50b1743d077b72afa550173f3a899e22d46fa47fce17a6135f8acc9dff2ae12540a7121db9fe1d0b8539d5bee22385b4
ripemd-160
1b432db5de3774bcd60fc92bd9f0d84ab6fa7b36
Diameter
40443122
Circumference
127055814.96344
Area
1.2846334563439E+15
Volume
3.4636391733466E+22
Surface area
5.1385338253757E+15
Circumference
127055814.96344
Perimeter
80886244
Area
408911529276721
Diagonal
28597605.818555
Surface area
2453469175660326
Volume
8.2688294328725E+21
Space diagonal
35024771.060353
Perimeter
60664683
Area
1.7706388612699E+14
Altitude
17512385.530177
Surface area
1.7706388612699E+14
Volume
9.7449089407651E+20
Height
9532535.2728516