20531091 is an odd 8-digits composite number following 20531090
and preceding 20531092 . In scientific notation, it is written as 2.0531091 × 10^7.
The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors.
There are 11732040 positive integers (up to 20531091) that are relatively prime to 20531091.
20531091 has 4 divisors, whose sum is 21508784
The reverse of 20531091 is 19013502
Previous prime number is 21
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million five hundred thirty-one thousand ninety-one
Scientific notation
2.0531091 × 10^7
Engineering notation
2.0531091 × 10^6
Prime Factorization
21 × 977671
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20531091
Product of the distinct prime numbers
The prime factorization of 20531091 is 21 × 977671.
Since it has a total of 2 prime factors.
10 , 10 , 33 , 39 , 510 , 420 , 6352 , 4481 , 39301 , 59073 , 127492 , 903904 , 3097544 , 1346122 , 52862327 , 80157244 , 57198860 , 633711869 , 8287439055 , 1200065958
n×2
41062182
n×3
61593273
n×4
82124364
n×5
102655455
n÷2
10265545.5
n÷3
6843697
n÷3
5132772.75
n÷5
4106218.2
n2
421525697650281
n3
8.6543824572964E+21
n4
1.7768391377956E+29
n5
3.6480446030442E+36
2 √n
4531.1246948192
3 √n
273.82347394992
4 √n
67.313629339229
5 √n
29.00563686825
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
-20531090
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 20531091 can be divided by 4 positive divisors.
The sum of these divisors (counting 20531091) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110010100011110010011
3
Ternary
1102122002100210
4
Quaternary
1032110132103
5
Quinary
20223443331
6
Senary
2012015203
8
Octal
116243623
10
Decimal
20531091
12
Duodecimal
6a61503
16
Hexadecimal
1394793
20
Vigesimal
6867eb
36
Base36
c81w3
md5
248e83235b21b1142b4c19d9abab13c8
sha1
b927cde7729fdf4e2da48faa174a1f46dd29d13d
sha256
14580a6aa81df890eaf3b714590cc63a4936408c14445a5c80a170a9df989837
sha512
d03b0f38420b3ab9bf1d62f18aa52084ba179c9793277b2e18af8ced355fedccedae68c208d09f8dfb78317d457be18f7fb519f921e3d7609088648a3bfa3284
ripemd-160
fcd59a20d946b510beec1b93085f1c2b0dc5d61a
Diameter
41062182
Circumference
129000649.31157
Area
1.3242620350374E+15
Volume
3.6251392465598E+22
Surface area
5.2970481401497E+15
Circumference
129000649.31157
Perimeter
82124364
Area
421525697650281
Diagonal
29035347.342516
Surface area
2529154185901686
Volume
8.6543824572964E+21
Space diagonal
35560892.74682
Perimeter
61593273
Area
1.8252598125655E+14
Altitude
17780446.37341
Surface area
1.8252598125655E+14
Volume
1.019928753756E+21
Height
9678449.1141721