20138944 is an even 8-digits composite number following 20138943
and preceding 20138945 . In scientific notation, it is written as 2.0138944 × 10^7.
The sum of its digits is 31. It has a total of 8 prime factors and 28 positive divisors.
There are 8630784 positive integers (up to 20138944) that are relatively prime to 20138944.
20138944 has 28 divisors, whose sum is 45673264
The reverse of 20138944 is 44983102
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million one hundred thirty-eight thousand nine hundred forty-four
Scientific notation
2.0138944 × 10^7
Engineering notation
2.0138944 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 7 × 44953
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
629342
Product of the distinct prime numbers
The prime factorization of 20138944 is 2 × 2 × 2 × 2 × 2 × 2 × 7 × 44953.
Since it has a total of 8 prime factors.
5 , 8 , 82 , 91 , 373 , 189 , 8715 , 1447 , 41542 , 72308 , 861550 , 251665 , 9075803 , 7789056 , 26078140 , 92766167 , 948674501 , 678958577 , 251254466 , 7334964310
n×2
40277888
n×3
60416832
n×4
80555776
n×5
100694720
n÷2
10069472
n÷3
6712981.3333333
n÷3
5034736
n÷5
4027788.8
n2
405577065435136
n3
8.1678938084825E+21
n4
1.6449275600698E+29
n5
3.3127104016302E+36
2 √n
4487.6434796004
3 √n
272.068898348
4 √n
66.989875948537
5 √n
28.893978071629
1 , 2 , 4 , 7 , 8 , 14 , 16 , 28 , 32 , 56 , 64 , 112 , 224 , 448 , 44953 , 89906 , 179812 , 314671 , 359624 , 629342 , 719248 , 1258684 , 1438496 , 2517368 , 2876992 , 5034736 , 10069472 , 20138944
28 divisors
τ
Total Divisors
28
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20138943
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.035714285714286
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
28
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20138944 can be divided by 28 positive divisors.
The sum of these divisors (counting 20138944) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
1001100110100101111000000
3
Ternary
1101220011102211
4
Quaternary
1030310233000
5
Quinary
20123421234
6
Senary
1555351504
8
Octal
114645700
10
Decimal
20138944
12
Duodecimal
68b2594
16
Hexadecimal
1334bc0
20
Vigesimal
65h774
36
Base36
bznb4
md5
03bfddf90304eb03610b7deb530f20cd
sha1
639f365fb04ce6d16f9dfdff9ed242d356e66999
sha256
6739bdebd157ea02848f56f43e191ae2e2b6b1efd1ae4e41b132e653a491d5a9
sha512
7613087d73546db3eae726ebc57dfaef0e476e245ccc78444b6dd97eb0d9fb6d1f3c5885290b2cc46975498b306356a29f806eb53c218617364a6d21ca9d7c2c
ripemd-160
37379276ff0b87774b28feea4c64a103c8590e6b
Diameter
40277888
Circumference
126536717.04291
Area
1.2741579292355E+15
Volume
3.4213593578707E+22
Surface area
5.0966317169421E+15
Circumference
126536717.04291
Perimeter
80555776
Area
405577065435136
Diagonal
28480767.736672
Surface area
2433462392610816
Volume
8.1678938084825E+21
Space diagonal
34881674.218784
Perimeter
60416832
Area
1.7562002092959E+14
Altitude
17440837.109392
Surface area
1.7562002092959E+14
Volume
9.6259551666494E+20
Height
9493589.2455574