20404805 (number)

20404805 is an odd 8-digits composite number following 20404804 and preceding 20404806. In scientific notation, it is written as 2.0404805 × 10^7. The sum of its digits is 23. It has a total of 4 prime factors and 16 positive divisors. There are 15912960 positive integers (up to 20404805) that are relatively prime to 20404805.

Interesting facts

Basic properties

Name

Name twenty million four hundred four thousand eight hundred five

Notation

Scientific notation 2.0404805 × 10^7
Engineering notation 2.0404805 × 10^6

Prime Factorization of 20404805

Prime Factorization 5 × 61 × 149 × 449

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20404805
Product of the distinct prime numbers

The prime factorization of 20404805 is 5 × 61 × 149 × 449. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20404805)

Multiplication

n×y
n×2 40809610
n×3 61214415
n×4 81619220
n×5 102024025

Division

n÷y
n÷2 10202402.5
n÷3 6801601.6666667
n÷3 5101201.25
n÷5 4080961

Exponentiation

ny
n2 416356067088025
n3 8.4956643594981E+21
n4 1.7335237460101E+29
n5 3.5372214000205E+36

Nth Root

y√n
2√n 4517.1678073767
3√n 273.26089279326
4√n 67.209878793051
5√n 28.969866224896

Divisors of 20404805

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20404804
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20404805 can be divided by 16 positive divisors. The sum of these divisors (counting 20404805) is 1, the average is 0.0625.

Base conversion 20404805

Base System Value
2 Binary 1001101110101101001000101
3 Ternary 1102101200010112
4 Quaternary 1031311221011
5 Quinary 20210423210
6 Senary 2005202405
8 Octal 115655105
10 Decimal 20404805
12 Duodecimal 6a00405
16 Hexadecimal 1375a45
20 Vigesimal 67ac05
36 Base36 c5cg5

Cryptographic Hash Functions

md5 09a93a001c7fd8010adcfa9c56707084
sha1 e45f943169c6af3046058b4f15fa13dfbbf93531
sha256 e81f2406cd27e2016020ff4314479958aa27615c864cfd934acc9d16e58fc9ea
sha512 397ff7491c79ba08427a1d3a69e63658b4f08ddf5241b2c90388cca86031d87dc91553c958e26cccf540cef5e765b61511ff0943d1310febb80f6d15dd831f71
ripemd-160 e5ddcbe941190c8a7b131aa7159c7fc068a14b6d

20404805 as geometric shapes

Circle

Radius = n
Diameter 40809610
Circumference 128207170.97186
Area 1.3080211616413E+15

Sphere

Radius = n
Volume 3.5586555652218E+22
Surface area 5.2320846465651E+15
Circumference 128207170.97186

Square

Length = n
Perimeter 81619220
Area 416356067088025
Diagonal 28856751.968578

Cube

Length = n
Surface area 2498136402528150
Volume 8.4956643594981E+21
Space diagonal 35342158.978535

Equilateral Triangle

Length = n
Perimeter 61214415
Area 1.80287465559E+14
Altitude 17671079.489268

Triangular Pyramid

Length = n
Surface area 1.80287465559E+14
Volume 1.0012236465477E+21
Height 9618917.3228594