20205438 (number)

20205438 is an even 8-digits composite number following 20205437 and preceding 20205439. In scientific notation, it is written as 2.0205438 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 6099360 positive integers (up to 20205438) that are relatively prime to 20205438.

Interesting facts

Basic properties

Name

Name twenty million two hundred five thousand four hundred thirty-eight

Notation

Scientific notation 2.0205438 × 10^7
Engineering notation 2.0205438 × 10^6

Prime Factorization of 20205438

Prime Factorization 2 × 33 × 787 × 389

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20205438
Product of the distinct prime numbers

The prime factorization of 20205438 is 2 × 33 × 787 × 389. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 5, 68, 25, 210, 46, 5725, 9039, 34430, 13585, 412968, 942881, 8657403, 1067369, 87286326, 20010239, 960904348, 791944594, 4080541664, 7326977603

Basic calculations (n = 20205438)

Multiplication

n×y
n×2 40410876
n×3 60616314
n×4 80821752
n×5 101027190

Division

n÷y
n÷2 10102719
n÷3 6735146
n÷3 5051359.5
n÷5 4041087.6

Exponentiation

ny
n2 408259724771844
n3 8.2490665567746E+21
n4 1.6667600287078E+29
n5 3.3677616420934E+36

Nth Root

y√n
2√n 4495.0459396985
3√n 272.3680049794
4√n 67.045103771256
5√n 28.913033129872

Divisors of 20205438

1, 2, 33, 66, 389, 778, 787, 1574, 12837, 25674, 25971, 51942, 306143, 612286, 10102719, 20205438

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 -20205437
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 20205438 can be divided by 16 positive divisors. The sum of these divisors (counting 20205438) is 1, the average is 0.0625.

Base conversion 20205438

Base System Value
2 Binary 1001101000100111101111110
3 Ternary 1102000112122120
4 Quaternary 1031010331332
5 Quinary 20133033223
6 Senary 2001023410
8 Octal 115047576
10 Decimal 20205438
12 Duodecimal 6924b66
16 Hexadecimal 1344f7e
20 Vigesimal 665dbi
36 Base36 c12m6

Cryptographic Hash Functions

md5 3b257fcee3860752a245158f48cab985
sha1 5e1d266cb07248d65625ba0b5042648f0e106198
sha256 f39533456220973de6f8284a8d953a0875eea595a55022366946c089e3fcf8a3
sha512 37b57ffed07ac57839e124bb025b62e0125506014652269bc026387a11eee2a13ca02c3984954c7c795222810f8dca8fa62ce90c848394fcbdd2fe2dd0530df1
ripemd-160 719addf8ec8647551fc54c6bac7c0d81818de799

20205438 as geometric shapes

Circle

Radius = n
Diameter 40410876
Circumference 126954511.16673
Area 1.2825857520998E+15

Sphere

Radius = n
Volume 3.4553609191648E+22
Surface area 5.1303430083993E+15
Circumference 126954511.16673

Square

Length = n
Perimeter 80821752
Area 408259724771844
Diagonal 28574804.453289

Cube

Length = n
Surface area 2449558348631064
Volume 8.2490665567746E+21
Space diagonal 34996845.205183

Equilateral Triangle

Length = n
Perimeter 60616314
Area 1.7678164649723E+14
Altitude 17498422.602591

Triangular Pyramid

Length = n
Surface area 1.7678164649723E+14
Volume 9.7216181679241E+20
Height 9524934.8177629