20138746 is an even 8-digits composite number following 20138745
and preceding 20138747 . In scientific notation, it is written as 2.0138746 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors.
There are 9539064 positive integers (up to 20138746) that are relatively prime to 20138746.
20138746 has 12 divisors, whose sum is 31882842
The reverse of 20138746 is 64783102
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million one hundred thirty-eight thousand seven hundred forty-six
Scientific notation
2.0138746 × 10^7
Engineering notation
2.0138746 × 10^6
Prime Factorization
2 × 19 × 19 × 27893
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1059934
Product of the distinct prime numbers
The prime factorization of 20138746 is 2 × 19 × 19 × 27893.
Since it has a total of 4 prime factors.
8 , 9 , 77 , 65 , 983 , 254 , 6894 , 3298 , 33446 , 48544 , 99901 , 739760 , 802215 , 2628170 , 98302099 , 64432799 , 360578866 , 122747802 , 4079548044 , 8784266709
n×2
40277492
n×3
60416238
n×4
80554984
n×5
100693730
n÷2
10069373
n÷3
6712915.3333333
n÷3
5034686.5
n÷5
4027749.2
n2
405569090452516
n3
8.1676528980742E+21
n4
1.6448628713048E+29
n5
3.3125475570038E+36
2 √n
4487.6214189702
3 √n
272.06800671207
4 √n
66.989711291886
5 √n
28.893921256036
1 , 2 , 19 , 38 , 361 , 722 , 27893 , 55786 , 529967 , 1059934 , 10069373 , 20138746
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20138745
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20138746 can be divided by 12 positive divisors.
The sum of these divisors (counting 20138746) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100110100101011111010
3
Ternary
1101220011011111
4
Quaternary
1030310223322
5
Quinary
20123414441
6
Senary
1555350534
8
Octal
114645372
10
Decimal
20138746
12
Duodecimal
68b244a
16
Hexadecimal
1334afa
20
Vigesimal
65h6h6
36
Base36
bzn5m
md5
c6d2fe6f0db795b8df640f7d45991852
sha1
5df3a210a640dc44c40e66e456955f6920e5ce4c
sha256
6d143762b137c41fe9cfde2ffec6231fb8454b85cb71d12f662b12af065d8bfc
sha512
03b76f9ed1511b56a89eca6b732b96b13301f91d34ddd76ea2acea3388df88a668c177e033f2f4206a008ed204742a36be9e9e654b0dd7ed56def32c627d2efb
ripemd-160
55ed977a12e5dd97cbf6c7b0577da2b5ffca6d62
Diameter
40277492
Circumference
126535472.97222
Area
1.2741328750887E+15
Volume
3.4212584455549E+22
Surface area
5.0965315003549E+15
Circumference
126535472.97222
Perimeter
80554984
Area
405569090452516
Diagonal
28480487.722387
Surface area
2433414542715096
Volume
8.1676528980742E+21
Space diagonal
34881331.272724
Perimeter
60416238
Area
1.7561656766081E+14
Altitude
17440665.636362
Surface area
1.7561656766081E+14
Volume
9.6256712510104E+20
Height
9493495.9074623