20193979 is an odd 8-digits composite number following 20193978
and preceding 20193980 . In scientific notation, it is written as 2.0193979 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors.
There are 17606160 positive integers (up to 20193979) that are relatively prime to 20193979.
20193979 has 12 divisors, whose sum is 21993672
The reverse of 20193979 is 97939102
Previous prime number is 361
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty million one hundred ninety-three thousand nine hundred seventy-nine
Scientific notation
2.0193979 × 10^7
Engineering notation
2.0193979 × 10^6
Prime Factorization
13 × 13 × 361 × 331
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1553383
Product of the distinct prime numbers
The prime factorization of 20193979 is 13 × 13 × 361 × 331.
Since it has a total of 4 prime factors.
5 , 7 , 24 , 54 , 187 , 746 , 101 , 2109 , 40249 , 48036 , 881197 , 116043 , 7348272 , 8831978 , 91438183 , 28683144 , 864681955 , 998258268 , 8918956539 , 1730263497
n×2
40387958
n×3
60581937
n×4
80775916
n×5
100969895
n÷2
10096989.5
n÷3
6731326.3333333
n÷3
5048494.75
n÷5
4038795.8
n2
407796787852441
n3
8.2350397701596E+21
n4
1.6629822018277E+29
n5
3.3582227661082E+36
2 √n
4493.7711334691
3 √n
272.31650638175
4 √n
67.035596017855
5 √n
28.909752927475
1 , 13 , 169 , 331 , 361 , 4303 , 4693 , 55939 , 61009 , 119491 , 1553383 , 20193979
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
-20193978
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 20193979 can be divided by 12 positive divisors.
The sum of these divisors (counting 20193979) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101000010001010111011
3
Ternary
1101222221221011
4
Quaternary
1031002022323
5
Quinary
20132201404
6
Senary
2000454351
8
Octal
115021273
10
Decimal
20193979
12
Duodecimal
691a3b7
16
Hexadecimal
13422bb
20
Vigesimal
6644ij
36
Base36
c0trv
md5
3e00e288ed33145127b699800e828ae5
sha1
f94b0f938aafe57c1500fddf3645077d18929155
sha256
f34f17578020feaba3ef7cd3e1b6e6ffbd59c7ad0530d33a4eefaf9cea620d9c
sha512
af6ec41a875b7824168662a30a3c70bf63ddb760ddf6b04834c7fc9e7f21088ddd5a69260507458f1354bd3e7a9cefe5b8d4b92f07355fe4e8c3f5935c369804
ripemd-160
f1cd620c67f5f12f8cc9f8929efa9f91d55c25ca
Diameter
40387958
Circumference
126882512.14629
Area
1.2811313928747E+15
Volume
3.4494853925271E+22
Surface area
5.124525571499E+15
Circumference
126882512.14629
Perimeter
80775916
Area
407796787852441
Diagonal
28558598.980077
Surface area
2446780727114646
Volume
8.2350397701596E+21
Space diagonal
34976997.634979
Perimeter
60581937
Area
1.7658118893095E+14
Altitude
17488498.817489
Surface area
1.7658118893095E+14
Volume
9.705087441368E+20
Height
9519532.9933592