20168979 is an odd 8-digits composite number following 20168978
and preceding 20168980 . In scientific notation, it is written as 2.0168979 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 13145760 positive integers (up to 20168979) that are relatively prime to 20168979.
20168979 has 16 divisors, whose sum is 27498240
The reverse of 20168979 is 97986102
Previous prime number is 359
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty million one hundred sixty-eight thousand nine hundred seventy-nine
Scientific notation
2.0168979 × 10^7
Engineering notation
2.0168979 × 10^6
Prime Factorization
3 × 307 × 359 × 61
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20168979
Product of the distinct prime numbers
The prime factorization of 20168979 is 3 × 307 × 359 × 61.
Since it has a total of 4 prime factors.
5 , 8 , 79 , 28 , 707 , 513 , 595 , 2264 , 25895 , 64904 , 775957 , 541541 , 8704578 , 6393572 , 46955846 , 89675424 , 915253618 , 395739917 , 1968619060 , 2364948014
n×2
40337958
n×3
60506937
n×4
80675916
n×5
100844895
n÷2
10084489.5
n÷3
6722993
n÷3
5042244.75
n÷5
4033795.8
n2
406787713902441
n3
8.2044928591563E+21
n4
1.6547624418197E+29
n5
3.3374868939051E+36
2 √n
4490.9886439402
3 √n
272.20408468787
4 √n
67.01483898317
5 √n
28.902591367191
1 , 3 , 61 , 183 , 307 , 359 , 921 , 1077 , 18727 , 21899 , 56181 , 65697 , 110213 , 330639 , 6722993 , 20168979
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
-20168978
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 20168979 can be divided by 16 positive divisors.
The sum of these divisors (counting 20168979) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100111100000100010011
3
Ternary
1101221200122020
4
Quaternary
1030330010103
5
Quinary
20130401404
6
Senary
2000142523
8
Octal
114740423
10
Decimal
20168979
12
Duodecimal
6907a43
16
Hexadecimal
133c113
20
Vigesimal
66128j
36
Base36
c0ahf
md5
0ba8280f7dd31755887a21fc7c2c98cf
sha1
eb535a0b14008eb11b94068d2d775bcb6a8834ef
sha256
955137b01af29e27db5b3b2e1576fea67d36952fd65c6b478163a0e6ed7180b5
sha512
10b1a25d5b036ad403a6d929d5409f62f18372a0c8a3521648d5f6387922b886b04bb3054af58d317e66d18a427cd85714cb73ada5af48d22e75f51b247a9806
ripemd-160
50c4f7be9f5bdf1044015db4237212a2a6950656
Diameter
40337958
Circumference
126725432.51361
Area
1.2779612935665E+15
Volume
3.4366899323674E+22
Surface area
5.111845174266E+15
Circumference
126725432.51361
Perimeter
80675916
Area
406787713902441
Diagonal
28523243.641018
Surface area
2440726283414646
Volume
8.2044928591563E+21
Space diagonal
34933696.36479
Perimeter
60506937
Area
1.7614424709346E+14
Altitude
17466848.182395
Surface area
1.7614424709346E+14
Volume
9.6690875615101E+20
Height
9507747.8803394