20405613 (number)

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.

Interesting facts

Basic properties

Name

Name twenty million four hundred five thousand six hundred thirteen

Notation

Scientific notation 2.0405613 × 10^7
Engineering notation 2.0405613 × 10^6

Prime Factorization of 20405613

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.

Most popular turbo-numbers

Basic calculations (n = 20405613)

Multiplication

n×y
n×2 40811226
n×3 61216839
n×4 81622452
n×5 102028065

Division

n÷y
n÷2 10202806.5
n÷3 6801871
n÷3 5101403.25
n÷5 4081122.6

Exponentiation

ny
n2 416389041905769
n3 8.4966736465699E+21
n4 1.733798342192E+29
n5 3.5379217990812E+36

Nth Root

y√n
2√n 4517.2572430624
3√n 273.26449965428
4√n 67.210544136039
5√n 28.970095654005

Divisors of 20405613

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 conversion 20405613

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

Cryptographic Hash Functions

md5 468fb7e11c2bd36ad4b69b6505a9db76
sha1 b28ad3b0594d1858c20b89708174722f874593ce
sha256 0d43ca2893e7e05cbbd09d72a5f0c7a119601a79e2da5aa322072d91fad1145e
sha512 809e60bafa82283a4922b2e5608ffde117e2d86364ffaefe22ae6b619988e20638d49ecca7517f055ccebb58d6b80e52fd8b6688575c0dfcf23873d0fd569887
ripemd-160 ea6d2cf526786a4b15287b93e039b7ed7cb384d5

20405613 as geometric shapes

Circle

Radius = n
Diameter 40811226
Circumference 128212247.78559
Area 1.3081247550865E+15

Sphere

Radius = n
Volume 3.5590783344019E+22
Surface area 5.2324990203458E+15
Circumference 128212247.78559

Square

Length = n
Perimeter 81622452
Area 416389041905769
Diagonal 28857894.653137

Cube

Length = n
Surface area 2498334251434614
Volume 8.4966736465699E+21
Space diagonal 35343558.475588

Equilateral Triangle

Length = n
Perimeter 61216839
Area 1.8030174407393E+14
Altitude 17671779.237794

Triangular Pyramid

Length = n
Surface area 1.8030174407393E+14
Volume 1.0013425921698E+21
Height 9619298.2177122