20081438 is an even 8-digits composite number following 20081437
and preceding 20081439 . In scientific notation, it is written as 2.0081438 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors.
There are 8865120 positive integers (up to 20081438) that are relatively prime to 20081438.
20081438 has 16 divisors, whose sum is 33850656
The reverse of 20081438 is 83418002
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million eighty-one thousand four hundred thirty-eight
Scientific notation
2.0081438 × 10^7
Engineering notation
2.0081438 × 10^6
Prime Factorization
2 × 23 × 13 × 33581
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20081438
Product of the distinct prime numbers
The prime factorization of 20081438 is 2 × 23 × 13 × 33581.
Since it has a total of 4 prime factors.
10 , 6 , 11 , 91 , 960 , 560 , 6460 , 3176 , 85219 , 70981 , 775145 , 20458 , 6959951 , 4195100 , 22211430 , 48392099 , 961952329 , 520170201 , 9556117090 , 9072991472
n×2
40162876
n×3
60244314
n×4
80325752
n×5
100407190
n÷2
10040719
n÷3
6693812.6666667
n÷3
5020359.5
n÷5
4016287.6
n2
403264152147844
n3
8.0981240689795E+21
n4
1.6262197640752E+29
n5
3.2656831366651E+36
2 √n
4481.2317503115
3 √n
271.80969062357
4 √n
66.94200288542
5 √n
28.877458057576
1 , 2 , 13 , 23 , 26 , 46 , 299 , 598 , 33581 , 67162 , 436553 , 772363 , 873106 , 1544726 , 10040719 , 20081438
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20081437
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20081438 can be divided by 16 positive divisors.
The sum of these divisors (counting 20081438) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100100110101100011110
3
Ternary
1101210020112222
4
Quaternary
1030212230132
5
Quinary
20120101223
6
Senary
1554225342
8
Octal
114465436
10
Decimal
20081438
12
Duodecimal
6885252
16
Hexadecimal
1326b1e
20
Vigesimal
65a3bi
36
Base36
byexq
md5
7c26de6f64db91ec93fce7f4627be11a
sha1
a6089355ac80b776065917e19bc34abc3ff44c85
sha256
60d3b6d9122ecb873ce1a726dae495d487397ddbe0487590c24c3565996c3c1c
sha512
ae2b87e60a95546f18141294ed46ffe2ea0def7d83231145826e1333647fbfb546e6a5724ca9fea97a232b3ed3e1c5743981adaf96783d931a3bbe396cde63d5
ripemd-160
c3c8f8e9810324f950b54a5685e7bf82dbaea71c
Diameter
40162876
Circumference
126175396.18864
Area
1.2668916978438E+15
Volume
3.3921342777286E+22
Surface area
5.0675667913751E+15
Circumference
126175396.18864
Perimeter
80325752
Area
403264152147844
Diagonal
28399441.971554
Surface area
2419584912887064
Volume
8.0981240689795E+21
Space diagonal
34782070.905044
Perimeter
60244314
Area
1.7461850009781E+14
Altitude
17391035.452522
Surface area
1.7461850009781E+14
Volume
9.543730740109E+20
Height
9466480.6571848