20390168 is an even 8-digits composite number following 20390167
and preceding 20390169 . In scientific notation, it is written as 2.0390168 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 8 positive divisors.
There are 10195080 positive integers (up to 20390168) that are relatively prime to 20390168.
20390168 has 8 divisors, whose sum is 38231580
The reverse of 20390168 is 86109302
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million three hundred ninety thousand one hundred sixty-eight
Scientific notation
2.0390168 × 10^7
Engineering notation
2.0390168 × 10^6
Prime Factorization
2 × 2 × 2 × 2548771
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
5097542
Product of the distinct prime numbers
The prime factorization of 20390168 is 2 × 2 × 2 × 2548771.
Since it has a total of 4 prime factors.
1 , 6 , 4 , 83 , 344 , 836 , 4945 , 1198 , 52782 , 62021 , 464995 , 110154 , 5670535 , 9758119 , 50615146 , 63265539 , 743741383 , 333383166 , 6059541737 , 5442102371
n×2
40780336
n×3
61170504
n×4
81560672
n×5
101950840
n÷2
10195084
n÷3
6796722.6666667
n÷3
5097542
n÷5
4078033.6
n2
415758951068224
n3
8.4773948597849E+21
n4
1.7285550539335E+29
n5
3.5245527946953E+36
2 √n
4515.5473643845
3 √n
273.19553765684
4 √n
67.197822616395
5 √n
28.965708834979
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
-20390167
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 20390168 can be divided by 8 positive divisors.
The sum of these divisors (counting 20390168) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101110010000100011000
3
Ternary
1102100221001102
4
Quaternary
1031302010120
5
Quinary
20204441133
6
Senary
2005010532
8
Octal
115620430
10
Decimal
20390168
12
Duodecimal
69b3a48
16
Hexadecimal
1372118
20
Vigesimal
678f88
36
Base36
c515k
md5
2f1dc544ff0c689b1495bc7bda03aae8
sha1
15ac8f27ec5e24625dde7c3ce178bb625d224198
sha256
f3d73727454621e439ea4c3aa92e20e99a33371004e85264224c700798c41faa
sha512
d58ad2d77afb46f6fa12db42deee63cd07a602e94a59c2d4062a2addca90d9eefbc454b22c7fee880dbd42db9202b683b5d4fe476941fb00a9bfa87ef5889217
ripemd-160
eaf8565249e7f8146cfbe64ff2d74f6b6dac3e78
Diameter
40780336
Circumference
128115203.98852
Area
1.3061452663401E+15
Volume
3.5510028550773E+22
Surface area
5.2245810653605E+15
Circumference
128115203.98852
Perimeter
81560672
Area
415758951068224
Diagonal
28836052.124666
Surface area
2494553706409344
Volume
8.4773948597849E+21
Space diagonal
35316806.950865
Perimeter
61170504
Area
1.8002890673793E+14
Altitude
17658403.475433
Surface area
1.8002890673793E+14
Volume
9.9907056535831E+20
Height
9612017.3748886