20198979 is an odd 8-digits composite number following 20198978
and preceding 20198980 . In scientific notation, it is written as 2.0198979 × 10^7.
The sum of its digits is 45. It has a total of 2 prime factors and 4 positive divisors.
There are 13465980 positive integers (up to 20198979) that are relatively prime to 20198979.
20198979 has 4 divisors, whose sum is 22443320
The reverse of 20198979 is 97989102
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty million one hundred ninety-eight thousand nine hundred seventy-nine
Scientific notation
2.0198979 × 10^7
Engineering notation
2.0198979 × 10^6
Prime Factorization
9 × 2244331
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20198979
Product of the distinct prime numbers
The prime factorization of 20198979 is 9 × 2244331.
Since it has a total of 2 prime factors.
9 , 1 , 35 , 85 , 906 , 899 , 4055 , 6156 , 27579 , 72193 , 123562 , 494472 , 6882061 , 434387 , 76799259 , 72122800 , 216519378 , 837535117 , 3804444560 , 1843951550
n×2
40397958
n×3
60596937
n×4
80795916
n×5
100994895
n÷2
10099489.5
n÷3
6732993
n÷3
5049744.75
n÷5
4039795.8
n2
407998752642441
n3
8.2411582366509E+21
n4
1.6646298215779E+29
n5
3.3623822808825E+36
2 √n
4494.3274246543
3 √n
272.33897958481
4 √n
67.039745111794
5 √n
28.911184388315
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20198978
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20198979 can be divided by 4 positive divisors.
The sum of these divisors (counting 20198979) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101000011011001000011
3
Ternary
1102000012210100
4
Quaternary
1031003121003
5
Quinary
20132331404
6
Senary
2000533443
8
Octal
115033103
10
Decimal
20198979
12
Duodecimal
6921283
16
Hexadecimal
1343643
20
Vigesimal
664h8j
36
Base36
c0xmr
md5
966aab345dd7c57ad871cdaeff7f43be
sha1
dd02b821bce12d8cc9a48acaf04a98b80e726f4d
sha256
5c49321d3dd777a47c994145cc1e6160b625ff4293fc11ead4bf699b46d1a308
sha512
419c34414a134a48d72d468c615bfaf4a1b6b44fc4e37207709badb4f25587c4036b21ae274266495e5efed93f815e1c01aa843bcf0affdf2b7d3daffe70b5f6
ripemd-160
6901f127019b7d0b1487b9e65ab4b5da7ce1a277
Diameter
40397958
Circumference
126913928.07283
Area
1.2817658839753E+15
Volume
3.4520482897778E+22
Surface area
5.1270635359012E+15
Circumference
126913928.07283
Perimeter
80795916
Area
407998752642441
Diagonal
28565670.047889
Surface area
2447992515854646
Volume
8.2411582366509E+21
Space diagonal
34985657.889017
Perimeter
60596937
Area
1.7666864225036E+14
Altitude
17492828.944508
Surface area
1.7666864225036E+14
Volume
9.7122981232787E+20
Height
9521890.0159631