20402838 is an even 8-digits composite number following 20402837
and preceding 20402839 . In scientific notation, it is written as 2.0402838 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 6737904 positive integers (up to 20402838) that are relatively prime to 20402838.
20402838 has 16 divisors, whose sum is 34320000
The reverse of 20402838 is 83820402
Previous prime number is 10399
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million four hundred two thousand eight hundred thirty-eight
Scientific notation
2.0402838 × 10^7
Engineering notation
2.0402838 × 10^6
Prime Factorization
2 × 9 × 10399 × 109
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20402838
Product of the distinct prime numbers
The prime factorization of 20402838 is 2 × 9 × 10399 × 109.
Since it has a total of 4 prime factors.
10 , 5 , 60 , 56 , 686 , 836 , 2257 , 7624 , 36344 , 65717 , 314347 , 244839 , 4211630 , 2788158 , 64741660 , 59644804 , 179661712 , 449151866 , 1948025038 , 3863691556
n×2
40805676
n×3
61208514
n×4
81611352
n×5
102014190
n÷2
10201419
n÷3
6800946
n÷3
5100709.5
n÷5
4080567.6
n2
416275798454244
n3
8.4932076791826E+21
n4
1.7328554037872E+29
n5
3.5355168080894E+36
2 √n
4516.9500772092
3 √n
273.25211183131
4 √n
67.208258995522
5 √n
28.969307670925
1 , 2 , 9 , 18 , 109 , 218 , 981 , 1962 , 10399 , 20798 , 93591 , 187182 , 1133491 , 2266982 , 10201419 , 20402838
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
-20402837
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 20402838 can be divided by 16 positive divisors.
The sum of these divisors (counting 20402838) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101110101001010010110
3
Ternary
1102101120102200
4
Quaternary
1031311022112
5
Quinary
20210342323
6
Senary
2005145330
8
Octal
115651226
10
Decimal
20402838
12
Duodecimal
69bb246
16
Hexadecimal
1375296
20
Vigesimal
67a71i
36
Base36
c5axi
md5
ad74255816600f1cf266d3d9aaf88be0
sha1
b6b90b111cd2342d1cb726ee219e03db38168f27
sha256
972d7403fa1767470b78ba08b6b9616b3fbb482ddf098f82afacf077b0e5ee71
sha512
dfb0c47618fcdcb17c86c15196d2aeaab69f67ee2d116d33671a6b3100cb34c940bafecc923e6e6cc0b295d193c98d7e1fb57048e2d3db0faa83a01629a88437
ripemd-160
7c727d58c5d3b0625ffa58af747ff5359878bd1d
Diameter
40805676
Circumference
128194811.94637
Area
1.3077689902911E+15
Volume
3.5576265133777E+22
Surface area
5.2310759611643E+15
Circumference
128194811.94637
Perimeter
81611352
Area
416275798454244
Diagonal
28853970.210501
Surface area
2497654790725464
Volume
8.4932076791826E+21
Space diagonal
35338752.034597
Perimeter
61208514
Area
1.8025270822101E+14
Altitude
17669376.017298
Surface area
1.8025270822101E+14
Volume
1.0009341239959E+21
Height
9617990.0701671