20405424 (number)

20405424 is an even 8-digits composite number following 20405423 and preceding 20405425. In scientific notation, it is written as 2.0405424 × 10^7. The sum of its digits is 21. It has a total of 8 prime factors and 80 positive divisors. There are 6150144 positive integers (up to 20405424) that are relatively prime to 20405424.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0405424 × 10^7
Engineering notation 2.0405424 × 10^6

Prime Factorization of 20405424

Prime Factorization 2 × 2 × 2 × 2 × 3 × 53 × 13 × 617

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 2550678
Product of the distinct prime numbers

The prime factorization of 20405424 is 2 × 2 × 2 × 2 × 3 × 53 × 13 × 617. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20405424)

Multiplication

n×y
n×2 40810848
n×3 61216272
n×4 81621696
n×5 102027120

Division

n÷y
n÷2 10202712
n÷3 6801808
n÷3 5101356
n÷5 4081084.8

Exponentiation

ny
n2 416381328619776
n3 8.4964375561699E+21
n4 1.7337341082317E+29
n5 3.537757958173E+36

Nth Root

y√n
2√n 4517.2363232401
3√n 273.26365597873
4√n 67.210388506838
5√n 28.970041988689

Divisors of 20405424

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20405423
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20405424 can be divided by 80 positive divisors. The sum of these divisors (counting 20405424) is 1, the average is 0.0125.

Base conversion 20405424

Base System Value
2 Binary 1001101110101110010110000
3 Ternary 1102101200222110
4 Quaternary 1031311302300
5 Quinary 20210433144
6 Senary 2005205320
8 Octal 115656260
10 Decimal 20405424
12 Duodecimal 6a00840
16 Hexadecimal 1375cb0
20 Vigesimal 67adb4
36 Base36 c5cxc

Cryptographic Hash Functions

md5 d3782914f3bf3709984eb94c95d6530e
sha1 4b5d39f7a127bd64b16896f4a49714785802a260
sha256 7e87bb2aa04777aa0e53cca51a9123780631861c0dd9382ee7de6ecadbb91f0e
sha512 758474b575196c1a4cb6c975bfc06e634156e118f7bfe01949ff7753ffcd268883e0a2ac11c9cd90da6bb9f250d9562307030f3b32ef4bce0fe8ea9e722900f8
ripemd-160 04d9009362a8a6acfa66daf189b0d3c2898164e4

20405424 as geometric shapes

Circle

Radius = n
Diameter 40810848
Circumference 128211060.26357
Area 1.3081005230838E+15

Sphere

Radius = n
Volume 3.5589794410864E+22
Surface area 5.2324020923354E+15
Circumference 128211060.26357

Square

Length = n
Perimeter 81621696
Area 416381328619776
Diagonal 28857627.366773

Cube

Length = n
Surface area 2498287971718656
Volume 8.4964375561699E+21
Space diagonal 35343231.117985

Equilateral Triangle

Length = n
Perimeter 61216272
Area 1.8029840412312E+14
Altitude 17671615.558993

Triangular Pyramid

Length = n
Surface area 1.8029840412312E+14
Volume 1.0013147686493E+21
Height 9619209.1222578