20404979 is an odd 8-digits composite number following 20404978
and preceding 20404980 . In scientific notation, it is written as 2.0404979 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 16729416 positive integers (up to 20404979) that are relatively prime to 20404979.
20404979 has 8 divisors, whose sum is 24334080
The reverse of 20404979 is 97940402
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million four hundred four thousand nine hundred seventy-nine
Scientific notation
2.0404979 × 10^7
Engineering notation
2.0404979 × 10^6
Prime Factorization
7 × 23 × 126739
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20404979
Product of the distinct prime numbers
The prime factorization of 20404979 is 7 × 23 × 126739.
Since it has a total of 3 prime factors.
7 , 3 , 42 , 71 , 804 , 386 , 7568 , 2563 , 8861 , 47118 , 351326 , 147343 , 2857934 , 4706075 , 70378111 , 80370716 , 83074047 , 614288775 , 7296769101 , 770303536
n×2
40809958
n×3
61214937
n×4
81619916
n×5
102024895
n÷2
10202489.5
n÷3
6801659.6666667
n÷3
5101244.75
n÷5
4080995.8
n2
416363167990441
n3
8.4958816992184E+21
n4
1.7335828765904E+29
n5
3.5373722191586E+36
2 √n
4517.1870671913
3 √n
273.26166952633
4 √n
67.210022074027
5 √n
28.969915632273
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
-20404978
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 20404979 can be divided by 8 positive divisors.
The sum of these divisors (counting 20404979) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101110101101011110011
3
Ternary
1102101200100222
4
Quaternary
1031311223303
5
Quinary
20210424404
6
Senary
2005203255
8
Octal
115655363
10
Decimal
20404979
12
Duodecimal
6a0052b
16
Hexadecimal
1375af3
20
Vigesimal
67ac8j
36
Base36
c5ckz
md5
e85cdf384c2310cf83732db1eada793a
sha1
741b15c77d066890b94cc74c5ed4d43014241325
sha256
3ea724529ff99cb3b949626139a3823ad71d31d28e8994911e876548ebbf6797
sha512
1985d14d6aef508f9e2221d9cb1f945bc1756f9b76cf5c37b379de33ab16b8479530e7638d9c46340f5a6aac83c45c30c2cef37d44773993f64960f4d18b5477
ripemd-160
a890bee821f7aa81882c2ddeaf8fab55b125c315
Diameter
40809958
Circumference
128208264.24611
Area
1.3080434697841E+15
Volume
3.558746604271E+22
Surface area
5.2321738791366E+15
Circumference
128208264.24611
Perimeter
81619916
Area
416363167990441
Diagonal
28856998.041738
Surface area
2498179007942646
Volume
8.4958816992184E+21
Space diagonal
35342460.355376
Perimeter
61214937
Area
1.8029054033994E+14
Altitude
17671230.177688
Surface area
1.8029054033994E+14
Volume
1.0012492602793E+21
Height
9618999.3472461