20198978 is an even 8-digits composite number following 20198977
and preceding 20198979 . In scientific notation, it is written as 2.0198978 × 10^7.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 9853120 positive integers (up to 20198978) that are relatively prime to 20198978.
20198978 has 8 divisors, whose sum is 31037580
The reverse of 20198978 is 87989102
Previous prime number is 41
Is Prime? no
Number parity even
Number length 8
Sum of Digits 44
Digital Root 8
Name
twenty million one hundred ninety-eight thousand nine hundred seventy-eight
Scientific notation
2.0198978 × 10^7
Engineering notation
2.0198978 × 10^6
Prime Factorization
2 × 41 × 246329
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20198978
Product of the distinct prime numbers
The prime factorization of 20198978 is 2 × 41 × 246329.
Since it has a total of 3 prime factors.
1 , 3 , 15 , 38 , 909 , 885 , 5020 , 6413 , 4632 , 2558 , 936951 , 687948 , 5949509 , 7348720 , 46636322 , 70152957 , 334215328 , 189799798 , 8814315549 , 5587780426
n×2
40397956
n×3
60596934
n×4
80795912
n×5
100994890
n÷2
10099489
n÷3
6732992.6666667
n÷3
5049744.5
n÷5
4039795.6
n2
407998712244484
n3
8.2411570126547E+21
n4
1.6646294919316E+29
n5
3.3623814485677E+36
2 √n
4494.327313403
3 √n
272.33897509054
4 √n
67.039744282052
5 √n
28.911184102051
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
-20198977
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 20198978 can be divided by 8 positive divisors.
The sum of these divisors (counting 20198978) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101000011011001000010
3
Ternary
1102000012210022
4
Quaternary
1031003121002
5
Quinary
20132331403
6
Senary
2000533442
8
Octal
115033102
10
Decimal
20198978
12
Duodecimal
6921282
16
Hexadecimal
1343642
20
Vigesimal
664h8i
36
Base36
c0xmq
md5
301c126161d814d331875a28625c15e4
sha1
be7f5f80610d68b23779de5ca1ef22be4faaa539
sha256
806fa25e31a696d05fade78b1b1534f9914aceca2e1277e4ad365039504834c7
sha512
d9396187bc0c607d39595d162b7aefd2453d584511cb840b3597cdbe97fc200882da4d12b3165791ba124994bc9bbe0eb10ffaddd4ca62bd97696dd830ea7b58
ripemd-160
ed350aa24379955529a35124c201416797256682
Diameter
40397956
Circumference
126913921.78964
Area
1.2817657570614E+15
Volume
3.4520477770715E+22
Surface area
5.1270630282455E+15
Circumference
126913921.78964
Perimeter
80795912
Area
407998712244484
Diagonal
28565668.633676
Surface area
2447992273466904
Volume
8.2411570126547E+21
Space diagonal
34985656.156966
Perimeter
60596934
Area
1.7666862475753E+14
Altitude
17492828.078483
Surface area
1.7666862475753E+14
Volume
9.7122966807853E+20
Height
9521889.5445586