20561631 is an odd 8-digits composite number following 20561630
and preceding 20561632 . In scientific notation, it is written as 2.0561631 × 10^7.
The sum of its digits is 24. It has a total of 2 prime factors and 4 positive divisors.
There are 13707752 positive integers (up to 20561631) that are relatively prime to 20561631.
20561631 has 4 divisors, whose sum is 27415512
The reverse of 20561631 is 13616502
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million five hundred sixty-one thousand six hundred thirty-one
Scientific notation
2.0561631 × 10^7
Engineering notation
2.0561631 × 10^6
Prime Factorization
3 × 6853877
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20561631
Product of the distinct prime numbers
The prime factorization of 20561631 is 3 × 6853877.
Since it has a total of 2 prime factors.
1 , 4 , 30 , 65 , 564 , 489 , 7438 , 5083 , 78875 , 91489 , 372572 , 120058 , 9373189 , 2666288 , 77222714 , 89395970 , 143182941 , 749416483 , 1435909215 , 5067061788
n×2
41123262
n×3
61684893
n×4
82246524
n×5
102808155
n÷2
10280815.5
n÷3
6853877
n÷3
5140407.75
n÷5
4112326.2
n2
422780669380161
n3
8.6930601177279E+21
n4
1.7874349440154E+29
n5
3.675257775535E+36
2 √n
4534.4934667502
3 √n
273.95917750113
4 √n
67.338647645688
5 √n
29.014260916039
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
-20561630
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 20561631 can be divided by 4 positive divisors.
The sum of these divisors (counting 20561631) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110011011111011011111
3
Ternary
1102200122020220
4
Quaternary
1032123323133
5
Quinary
20230433011
6
Senary
2012412423
8
Octal
116337337
10
Decimal
20561631
12
Duodecimal
6a77113
16
Hexadecimal
139bedf
20
Vigesimal
68a41b
36
Base36
c8pgf
md5
c24dcddeaa0be11c33a874520882911f
sha1
56ab1399b348fac965f6d0b43929a1cc83df06da
sha256
d99bebe23429e0e7e5e7da78587fd6fdc3de62eea5f449c53b5feeeff04d2dab
sha512
5e6844ec997af15d30cfd4af29fc6aeda6b627b76a8c44730f9490ad536e91f1296a23f9e286316e38bc1746cb65c3d847a9dabb84bd750983269e82ccda3157
ripemd-160
898501b18abdd7c139c741f4cb01265af152bc02
Diameter
41123262
Circumference
129192537.79085
Area
1.3282046450045E+15
Volume
3.6413405070758E+22
Surface area
5.312818580018E+15
Circumference
129192537.79085
Perimeter
82246524
Area
422780669380161
Diagonal
29078537.424711
Surface area
2536684016280966
Volume
8.6930601177279E+21
Space diagonal
35613789.578483
Perimeter
61684893
Area
1.830693999561E+14
Altitude
17806894.789242
Surface area
1.830693999561E+14
Volume
1.0244869597513E+21
Height
9692845.808237