20405613 is an odd 8-digits composite number following 20405612
and preceding 20405614 . In scientific notation, it is written as 2.0405613 × 10^7.
The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors.
There are 13412000 positive integers (up to 20405613) that are relatively prime to 20405613.
20405613 has 8 divisors, whose sum is 27590976
The reverse of 20405613 is 31650402
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million four hundred five thousand six hundred thirteen
Scientific notation
2.0405613 × 10^7
Engineering notation
2.0405613 × 10^6
Prime Factorization
3 × 71 × 95801
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20405613
Product of the distinct prime numbers
The prime factorization of 20405613 is 3 × 71 × 95801.
Since it has a total of 3 prime factors.
10 , 6 , 78 , 3 , 392 , 453 , 3262 , 4182 , 34919 , 35504 , 879767 , 759752 , 9102167 , 5433767 , 14658381 , 43283109 , 173799853 , 402920622 , 2971258609 , 7445258067
n×2
40811226
n×3
61216839
n×4
81622452
n×5
102028065
n÷2
10202806.5
n÷3
6801871
n÷3
5101403.25
n÷5
4081122.6
n2
416389041905769
n3
8.4966736465699E+21
n4
1.733798342192E+29
n5
3.5379217990812E+36
2 √n
4517.2572430624
3 √n
273.26449965428
4 √n
67.210544136039
5 √n
28.970095654005
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
-20405612
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 20405613 can be divided by 8 positive divisors.
The sum of these divisors (counting 20405613) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101110101110101101101
3
Ternary
1102101201020110
4
Quaternary
1031311311231
5
Quinary
20210434423
6
Senary
2005210233
8
Octal
115656555
10
Decimal
20405613
12
Duodecimal
6a00979
16
Hexadecimal
1375d6d
20
Vigesimal
67ae0d
36
Base36
c5d2l
md5
468fb7e11c2bd36ad4b69b6505a9db76
sha1
b28ad3b0594d1858c20b89708174722f874593ce
sha256
0d43ca2893e7e05cbbd09d72a5f0c7a119601a79e2da5aa322072d91fad1145e
sha512
809e60bafa82283a4922b2e5608ffde117e2d86364ffaefe22ae6b619988e20638d49ecca7517f055ccebb58d6b80e52fd8b6688575c0dfcf23873d0fd569887
ripemd-160
ea6d2cf526786a4b15287b93e039b7ed7cb384d5
Diameter
40811226
Circumference
128212247.78559
Area
1.3081247550865E+15
Volume
3.5590783344019E+22
Surface area
5.2324990203458E+15
Circumference
128212247.78559
Perimeter
81622452
Area
416389041905769
Diagonal
28857894.653137
Surface area
2498334251434614
Volume
8.4966736465699E+21
Space diagonal
35343558.475588
Perimeter
61216839
Area
1.8030174407393E+14
Altitude
17671779.237794
Surface area
1.8030174407393E+14
Volume
1.0013425921698E+21
Height
9619298.2177122