20390911 is an odd 8-digits prime number following 20390910
and preceding 20390912 . In scientific notation, it is written as 2.0390911 × 10^7.
The sum of its digits is 25. It has a total of 1 prime factors and 2 positive divisors.
There are 20390910 positive integers (up to 20390911) that are relatively prime to 20390911.
20390911 has 2 divisors, whose sum is 20390912
The reverse of 20390911 is 11909302
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million three hundred ninety thousand nine hundred eleven
Scientific notation
2.0390911 × 10^7
Engineering notation
2.0390911 × 10^6
Prime Factorization
20390911
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20390911
Product of the distinct prime numbers
The prime factorization of 20390911 is 20390911.
Since it has a total of 1 prime factors.
10 , 4 , 78 , 35 , 330 , 538 , 643 , 8312 , 46278 , 62023 , 487495 , 630868 , 6032900 , 9977528 , 77074475 , 46696706 , 583024499 , 465218105 , 3487211346 , 8270578797
n×2
40781822
n×3
61172733
n×4
81563644
n×5
101954555
n÷2
10195455.5
n÷3
6796970.3333333
n÷3
5097727.75
n÷5
4078182.2
n2
415789251409921
n3
8.4783216202563E+21
n4
1.7288070158802E+29
n5
3.5251949996989E+36
2 √n
4515.6296349457
3 √n
273.19885595251
4 √n
67.198434765593
5 √n
28.965919928953
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20390912
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10195456
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4515.6297456722
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999019171
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20390911 can be divided by 2 positive divisors.
The sum of these divisors (counting 20390911) is 20390912, the average is 10195456.
Base
System
Value
2
Binary
1001101110010001111111111
3
Ternary
1102100222001221
4
Quaternary
1031302033333
5
Quinary
20210002121
6
Senary
2005014211
8
Octal
115621777
10
Decimal
20390911
12
Duodecimal
69b4367
16
Hexadecimal
13723ff
20
Vigesimal
678h5b
36
Base36
c51q7
md5
b88232224a5032d1bfabd0aed652e013
sha1
cac51e402b91a769a3a7631026865ccd87180125
sha256
7227ce9f8e32b1db2008a7d9ac3677a0d99b6a83ea68a08611ff7f08ae2c0f5a
sha512
4df130b9ac719f5ef87d9705fa188db2a5dbe26c71327eda55c852889934b9d232510a9a82ad9861b8c8f8d75b1d1208005a37243c155d9d7a4d5c7d2f355634
ripemd-160
7c4d0854921a9829ec243e2a0f0af92d5a8851d0
Diameter
40781822
Circumference
128119872.39521
Area
1.306240457671E+15
Volume
3.5513910555958E+22
Surface area
5.224961830684E+15
Circumference
128119872.39521
Perimeter
81563644
Area
415789251409921
Diagonal
28837102.885343
Surface area
2494735508459526
Volume
8.4783216202563E+21
Space diagonal
35318093.864615
Perimeter
61172733
Area
1.8004202717075E+14
Altitude
17659046.932308
Surface area
1.8004202717075E+14
Volume
9.9917978512729E+20
Height
9612367.6284476