20405556 (number)

20405556 is an even 8-digits composite number following 20405555 and preceding 20405557. In scientific notation, it is written as 2.0405556 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 18 positive divisors. There are 6801840 positive integers (up to 20405556) that are relatively prime to 20405556.

Interesting facts

Basic properties

Name

Name twenty million four hundred five thousand five hundred fifty-six

Notation

Scientific notation 2.0405556 × 10^7
Engineering notation 2.0405556 × 10^6

Prime Factorization of 20405556

Prime Factorization 2 × 2 × 3 × 3 × 566821

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 3400926
Product of the distinct prime numbers

The prime factorization of 20405556 is 2 × 2 × 3 × 3 × 566821. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20405556)

Multiplication

n×y
n×2 40811112
n×3 61216668
n×4 81622224
n×5 102027780

Division

n÷y
n÷2 10202778
n÷3 6801852
n÷3 5101389
n÷5 4081111.2

Exponentiation

ny
n2 416386715669136
n3 8.4966024442426E+21
n4 1.7337789698573E+29
n5 3.5378723861045E+36

Nth Root

y√n
2√n 4517.2509339199
3√n 273.26424521299
4√n 67.210497200362
5√n 28.970079469269

Divisors of 20405556

18 divisors

τ Total Divisors 18
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20405555
Sum of the proper positive divisors of n
A Arithmetic Mean 0.055555555555556
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 18
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20405556 can be divided by 18 positive divisors. The sum of these divisors (counting 20405556) is 1, the average is 0.055555555555556.

Base conversion 20405556

Base System Value
2 Binary 1001101110101110100110100
3 Ternary 1102101201011100
4 Quaternary 1031311310310
5 Quinary 20210434211
6 Senary 2005210100
8 Octal 115656464
10 Decimal 20405556
12 Duodecimal 6a00930
16 Hexadecimal 1375d34
20 Vigesimal 67adhg
36 Base36 c5d10

Cryptographic Hash Functions

md5 e33085303747c5231eb375049c99b744
sha1 527eb4d38b23654add90a1b9f1ee502bf3b8a353
sha256 48f9f89ff5476358d13781652f5ae535840da3722568194144e6adcd21916dac
sha512 423f8bdb73683670b22f44268db7e2f477c35243840d60dcd9ec8bddc25fa9ad7d660bb0e18b7567cd7ec8697c42a94dc4cd4b42ac63893afa2d33d1c64a1b94
ripemd-160 9095f1109fe0f920c62710ba1025dd83866b37db

20405556 as geometric shapes

Circle

Radius = n
Diameter 40811112
Circumference 128211889.64403
Area 1.3081174469985E+15

Sphere

Radius = n
Volume 3.5590485092408E+22
Surface area 5.2324697879942E+15
Circumference 128211889.64403

Square

Length = n
Perimeter 81622224
Area 416386715669136
Diagonal 28857814.042964

Cube

Length = n
Surface area 2498320294014816
Volume 8.4966024442426E+21
Space diagonal 35343459.748692

Equilateral Triangle

Length = n
Perimeter 61216668
Area 1.8030073678392E+14
Altitude 17671729.874346

Triangular Pyramid

Length = n
Surface area 1.8030073678392E+14
Volume 1.001334200895E+21
Height 9619271.3476546