20509401 is an odd 8-digits composite number following 20509400
and preceding 20509402 . In scientific notation, it is written as 2.0509401 × 10^7.
The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors.
There are 12398400 positive integers (up to 20509401) that are relatively prime to 20509401.
20509401 has 8 divisors, whose sum is 21184584
The reverse of 20509401 is 10490502
Previous prime number is 821
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million five hundred nine thousand four hundred one
Scientific notation
2.0509401 × 10^7
Engineering notation
2.0509401 × 10^6
Prime Factorization
33 × 821 × 757
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20509401
Product of the distinct prime numbers
The prime factorization of 20509401 is 33 × 821 × 757.
Since it has a total of 3 prime factors.
10 , 4 , 22 , 29 , 958 , 341 , 1377 , 3388 , 6612 , 49353 , 571923 , 159944 , 6050155 , 8974958 , 55115287 , 55905302 , 674529832 , 275570738 , 823951633 , 8260762136
n×2
41018802
n×3
61528203
n×4
82037604
n×5
102547005
n÷2
10254700.5
n÷3
6836467
n÷3
5127350.25
n÷5
4101880.2
n2
420635529378801
n3
8.6269827468771E+21
n4
1.7693424857578E+29
n5
3.6288154546744E+36
2 √n
4528.7306168506
3 √n
273.72701335313
4 √n
67.295843979035
5 √n
28.999505695872
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20509400
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20509401 can be divided by 8 positive divisors.
The sum of these divisors (counting 20509401) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110001111001011011001
3
Ternary
1102120222121110
4
Quaternary
1032033023121
5
Quinary
20222300101
6
Senary
2011330533
8
Octal
116171331
10
Decimal
20509401
12
Duodecimal
6a50a49
16
Hexadecimal
138f2d9
20
Vigesimal
683da1
36
Base36
c7l5l
md5
cd32c351c7f16c1fe06030a958c61a97
sha1
9982eca673657384bbee967e9c25a1230259f86d
sha256
9cd2a51ebb1868e2cf43dc9666edecc4b42646f88f22571bc867a8436e1afee0
sha512
bcfef0d5d61b486731f03aa015c28ebf6ced66478b7a3e909c3d11976e9f7584b34c8af011dcd3baa2630415518fa44abb8e38b96376a4596ffe3d542fbae6c2
ripemd-160
52c464948321dd0436385bcbaf2b9ae1f0e5cb11
Diameter
41018802
Circumference
128864367.02225
Area
1.3214654889353E+15
Volume
3.613662082698E+22
Surface area
5.2858619557412E+15
Circumference
128864367.02225
Perimeter
82037604
Area
420635529378801
Diagonal
29004673.050348
Surface area
2523813176272806
Volume
8.6269827468771E+21
Space diagonal
35523324.564804
Perimeter
61528203
Area
1.8214052708818E+14
Altitude
17761662.282402
Surface area
1.8214052708818E+14
Volume
1.016699666916E+21
Height
9668224.3501161