20138646 is an even 8-digits composite number following 20138645
and preceding 20138647 . In scientific notation, it is written as 2.0138646 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 6102600 positive integers (up to 20138646) that are relatively prime to 20138646.
20138646 has 16 divisors, whose sum is 43939008
The reverse of 20138646 is 64683102
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million one hundred thirty-eight thousand six hundred forty-six
Scientific notation
2.0138646 × 10^7
Engineering notation
2.0138646 × 10^6
Prime Factorization
2 × 3 × 11 × 305131
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20138646
Product of the distinct prime numbers
The prime factorization of 20138646 is 2 × 3 × 11 × 305131.
Since it has a total of 4 prime factors.
5 , 7 , 55 , 60 , 652 , 175 , 203 , 9229 , 10377 , 81750 , 319493 , 163178 , 9358647 , 3209921 , 59919179 , 34708366 , 225953149 , 840008695 , 4716387745 , 8696525988
n×2
40277292
n×3
60415938
n×4
80554584
n×5
100693230
n÷2
10069323
n÷3
6712882
n÷3
5034661.5
n÷5
4027729.2
n2
405565062713316
n3
8.1675312279513E+21
n4
1.6448302009366E+29
n5
3.312465314677E+36
2 √n
4487.6102771965
3 √n
272.06755638867
4 √n
66.989628131499
5 √n
28.893892561123
1 , 2 , 3 , 6 , 11 , 22 , 33 , 66 , 305131 , 610262 , 915393 , 1830786 , 3356441 , 6712882 , 10069323 , 20138646
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
-20138645
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 20138646 can be divided by 16 positive divisors.
The sum of these divisors (counting 20138646) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110100101010010110
3
Ternary
1101220011000210
4
Quaternary
1030310222112
5
Quinary
20123414041
6
Senary
1555350250
8
Octal
114645226
10
Decimal
20138646
12
Duodecimal
68b2386
16
Hexadecimal
1334a96
20
Vigesimal
65h6c6
36
Base36
bzn2u
md5
c7b009e17c1b4471e2b058ec102b82f1
sha1
6695a8c59ebf44843ce542a3941a2fe15bca509a
sha256
2afd4d17a9dff0fb0d9284f71ca3cbe23afab3e743dca15c59cda759e24b5a1b
sha512
6e499462145d684263a229327b07ab022df3c86412868047eaf1aafe7954510272127b2eea6fba0df804512a7661b5794b1b0dea0b2f1b9cbea56664a8e1bf38
ripemd-160
f86d6fef6c32c87f6f2d954f7c94cefefea0f183
Diameter
40277292
Circumference
126534844.65369
Area
1.2741202215728E+15
Volume
3.4212074804929E+22
Surface area
5.0964808862913E+15
Circumference
126534844.65369
Perimeter
80554584
Area
405565062713316
Diagonal
28480346.301031
Surface area
2433390376279896
Volume
8.1675312279513E+21
Space diagonal
34881158.067644
Perimeter
60415938
Area
1.7561482359858E+14
Altitude
17440579.033822
Surface area
1.7561482359858E+14
Volume
9.6255278613954E+20
Height
9493448.7670102