20206979 is an odd 8-digits composite number following 20206978
and preceding 20206980 . In scientific notation, it is written as 2.0206979 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 18652584 positive integers (up to 20206979) that are relatively prime to 20206979.
20206979 has 4 divisors, whose sum is 21761376
The reverse of 20206979 is 97960202
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million two hundred six thousand nine hundred seventy-nine
Scientific notation
2.0206979 × 10^7
Engineering notation
2.0206979 × 10^6
Prime Factorization
13 × 1554383
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20206979
Product of the distinct prime numbers
The prime factorization of 20206979 is 13 × 1554383.
Since it has a total of 2 prime factors.
2 , 9 , 68 , 48 , 10 , 60 , 8825 , 9285 , 21866 , 95798 , 464999 , 907081 , 9326296 , 2971311 , 45316014 , 48671381 , 229889326 , 493783377 , 1222590300 , 1651253864
n×2
40413958
n×3
60620937
n×4
80827916
n×5
101034895
n÷2
10103489.5
n÷3
6735659.6666667
n÷3
5051744.75
n÷5
4041395.8
n2
408322000306441
n3
8.2509540854302E+21
n4
1.6672685593425E+29
n5
3.3690460765995E+36
2 √n
4495.2173473593
3 √n
272.37492899701
4 √n
67.046382060178
5 √n
28.913474136149
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
-20206978
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 20206979 can be divided by 4 positive divisors.
The sum of these divisors (counting 20206979) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101000101010110000011
3
Ternary
1102000121202122
4
Quaternary
1031011112003
5
Quinary
20133110404
6
Senary
2001034455
8
Octal
115052603
10
Decimal
20206979
12
Duodecimal
6925a2b
16
Hexadecimal
1345583
20
Vigesimal
665h8j
36
Base36
c13sz
md5
911ac130011f2d4e4c3786610e2a6ad7
sha1
8b156af8801256c024f1af0cc79bd71611855a86
sha256
8bd02df674adf9ead43c5359ae0b3b6d727802133eb725d900104fdde686cef5
sha512
eb4451e47eee713e4a551726db3142df70445b77557b659f880e576efd397ec5460ac604fd4b631c47b906123bc23d07d5aca72d9df4cce95202b44b052daab2
ripemd-160
d2cf09a7203e0239492daf3f12720801a415db21
Diameter
40413958
Circumference
126964193.55529
Area
1.2827813964618E+15
Volume
3.4561515653192E+22
Surface area
5.1311255858472E+15
Circumference
126964193.55529
Perimeter
80827916
Area
408322000306441
Diagonal
28576983.756388
Surface area
2449932001838646
Volume
8.2509540854302E+21
Space diagonal
34999514.295477
Perimeter
60620937
Area
1.7680861259473E+14
Altitude
17499757.147739
Surface area
1.7680861259473E+14
Volume
9.7238426417776E+20
Height
9525661.2521294