20405974 is an even 8-digits composite number following 20405973
and preceding 20405975 . In scientific notation, it is written as 2.0405974 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 10202986 positive integers (up to 20405974) that are relatively prime to 20405974.
20405974 has 4 divisors, whose sum is 30608964
The reverse of 20405974 is 47950402
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million four hundred five thousand nine hundred seventy-four
Scientific notation
2.0405974 × 10^7
Engineering notation
2.0405974 × 10^6
Prime Factorization
2 × 10202987
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20405974
Product of the distinct prime numbers
The prime factorization of 20405974 is 2 × 10202987.
Since it has a total of 2 prime factors.
4 , 4 , 27 , 63 , 811 , 346 , 8210 , 4618 , 66923 , 87309 , 58583 , 877194 , 477139 , 3648575 , 78306709 , 57237104 , 397822194 , 471774117 , 9743642759 , 5019116526
n×2
40811948
n×3
61217922
n×4
81623896
n×5
102029870
n÷2
10202987
n÷3
6801991.3333333
n÷3
5101493.5
n÷5
4081194.8
n2
416403774888676
n3
8.4971246038802E+21
n4
1.7339210374154E+29
n5
3.5382347607552E+36
2 √n
4517.2972007606
3 √n
273.26611110472
4 √n
67.210841393042
5 √n
28.970198156493
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
-20405973
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 20405974 can be divided by 4 positive divisors.
The sum of these divisors (counting 20405974) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101110101111011010110
3
Ternary
1102101201201211
4
Quaternary
1031311323112
5
Quinary
20210442344
6
Senary
2005212034
8
Octal
115657326
10
Decimal
20405974
12
Duodecimal
6a0101a
16
Hexadecimal
1375ed6
20
Vigesimal
67aeie
36
Base36
c5dcm
md5
920566f1f0db8672469618b9dc054957
sha1
bcfff27fbc33d6a9b412e7023fde0f9fa32b4bac
sha256
3c3001f496d9aa226b8938a7205e9709739b706dd3877f9e6bb73ba822982fdc
sha512
5fb202e9035bc99731160352b0c9b4fd98e95e35c5cfbec94315e6103e047443237f048d0e73851fc8fd12b331e009e4aee2684e0d7ef065b5291991104f1d01
ripemd-160
f03d261c90a42e7b73dbd0d631074e3f54216486
Diameter
40811948
Circumference
128214516.01549
Area
1.3081710401173E+15
Volume
3.5592672309583E+22
Surface area
5.2326841604693E+15
Circumference
128214516.01549
Perimeter
81623896
Area
416403774888676
Diagonal
28858405.184233
Surface area
2498422649332056
Volume
8.4971246038802E+21
Space diagonal
35344183.74593
Perimeter
61217922
Area
1.8030812364267E+14
Altitude
17672091.872965
Surface area
1.8030812364267E+14
Volume
1.0013957379985E+21
Height
9619468.3947443