20388518 is an even 8-digits composite number following 20388517
and preceding 20388519 . In scientific notation, it is written as 2.0388518 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 10027080 positive integers (up to 20388518) that are relatively prime to 20388518.
20388518 has 8 divisors, whose sum is 31084320
The reverse of 20388518 is 81588302
Previous prime number is 61
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million three hundred eighty-eight thousand five hundred eighteen
Scientific notation
2.0388518 × 10^7
Engineering notation
2.0388518 × 10^6
Prime Factorization
2 × 61 × 167119
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20388518
Product of the distinct prime numbers
The prime factorization of 20388518 is 2 × 61 × 167119.
Since it has a total of 3 prime factors.
6 , 5 , 49 , 55 , 822 , 678 , 2498 , 5661 , 23437 , 15 , 110893 , 387109 , 7264117 , 4309071 , 87743830 , 7978527 , 474569349 , 733339207 , 3086569382 , 3609960440
n×2
40777036
n×3
61165554
n×4
81554072
n×5
101942590
n÷2
10194259
n÷3
6796172.6666667
n÷3
5097129.5
n÷5
4077703.6
n2
415691666236324
n3
8.4753370195093E+21
n4
1.7279956137833E+29
n5
3.5231269675542E+36
2 √n
4515.3646585852
3 √n
273.18816834046
4 √n
67.196463140445
5 √n
28.965240030929
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20388517
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20388518 can be divided by 8 positive divisors.
The sum of these divisors (counting 20388518) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101110001101010100110
3
Ternary
1102100211210022
4
Quaternary
1031301222212
5
Quinary
20204413033
6
Senary
2004555142
8
Octal
115615246
10
Decimal
20388518
12
Duodecimal
69b2ab2
16
Hexadecimal
1371aa6
20
Vigesimal
678b5i
36
Base36
c4zvq
md5
71140ee1f9fd3ca7542da99beb520879
sha1
edd73d40ad56e68c49b5acc9f0c086eff4b07f77
sha256
d1dc000f18c465e4095fd2343e1d57cc77c88a9436cd970f45406bad58cf0044
sha512
5a4b8db9cb2ccdf3a164f4d63af55dccd542f9d530aee2a619cf6ba26173194dab07ff710ade0240b7d1ff5da54f028e2d3d2bcfe17f64b1e4c68704e8be31c3
ripemd-160
2c697385e2153b52340ae0a21054b6b2a1503bd3
Diameter
40777036
Circumference
128104836.73277
Area
1.3059338848065E+15
Volume
3.5501408689584E+22
Surface area
5.2237355392261E+15
Circumference
128104836.73277
Perimeter
81554072
Area
415691666236324
Diagonal
28833718.672288
Surface area
2494149997417944
Volume
8.4753370195093E+21
Space diagonal
35313949.067033
Perimeter
61165554
Area
1.7999977155107E+14
Altitude
17656974.533516
Surface area
1.7999977155107E+14
Volume
9.9882804655607E+20
Height
9611239.5574293