20405972 is an even 8-digits composite number following 20405971
and preceding 20405973 . In scientific notation, it is written as 2.0405972 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 6 positive divisors.
There are 10202984 positive integers (up to 20405972) that are relatively prime to 20405972.
20405972 has 6 divisors, whose sum is 35710458
The reverse of 20405972 is 27950402
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million four hundred five thousand nine hundred seventy-two
Scientific notation
2.0405972 × 10^7
Engineering notation
2.0405972 × 10^6
Prime Factorization
2 × 2 × 5101493
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
10202986
Product of the distinct prime numbers
The prime factorization of 20405972 is 2 × 2 × 5101493.
Since it has a total of 3 prime factors.
4 , 7 , 75 , 47 , 474 , 435 , 2789 , 358 , 72494 , 21964 , 305875 , 738645 , 2756061 , 695470 , 8078366 , 8924929 , 574086770 , 416659948 , 6365716133 , 9840608694
n×2
40811944
n×3
61217916
n×4
81623888
n×5
102029860
n÷2
10202986
n÷3
6801990.6666667
n÷3
5101493
n÷5
4081194.4
n2
416403693264784
n3
8.4971221054578E+21
n4
1.7339203576455E+29
n5
3.5382330268345E+36
2 √n
4517.2969793893
3 √n
273.26610217707
4 √n
67.2108397462
5 √n
28.970197588616
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20405971
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20405972 can be divided by 6 positive divisors.
The sum of these divisors (counting 20405972) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1001101110101111011010100
3
Ternary
1102101201201202
4
Quaternary
1031311323110
5
Quinary
20210442342
6
Senary
2005212032
8
Octal
115657324
10
Decimal
20405972
12
Duodecimal
6a01018
16
Hexadecimal
1375ed4
20
Vigesimal
67aeic
36
Base36
c5dck
md5
475d608f14b46f61ce25c52102850364
sha1
7299d0d1f1319c5e077a7138132d679749f5562d
sha256
fbaaffc6922753e4086da26e3d14ba3c83cf02daf485bd1f203f2d5aa6dc07fe
sha512
20353a079a667178d49050e73c952e3a99a204a8f308c8c3e9373a19bda7b56c71d6db03533bf221fa36aeecb66a46f20c238c59192519cab8accb08b4abd417
ripemd-160
ce7cfd41f525406f5ab385340ff246e83f7d859d
Diameter
40811944
Circumference
128214503.44912
Area
1.3081707836883E+15
Volume
3.5592661844215E+22
Surface area
5.2326831347532E+15
Circumference
128214503.44912
Perimeter
81623888
Area
416403693264784
Diagonal
28858402.355806
Surface area
2498422159588704
Volume
8.4971221054578E+21
Space diagonal
35344180.281828
Perimeter
61217916
Area
1.8030808829848E+14
Altitude
17672090.140914
Surface area
1.8030808829848E+14
Volume
1.0013954435566E+21
Height
9619467.4519352