20138205 (number)

20138205 is an odd 8-digits composite number following 20138204 and preceding 20138206. In scientific notation, it is written as 2.0138205 × 10^7. The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors. There are 10740368 positive integers (up to 20138205) that are relatively prime to 20138205.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0138205 × 10^7
Engineering notation 2.0138205 × 10^6

Prime Factorization of 20138205

Prime Factorization 15 × 1342547

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20138205
Product of the distinct prime numbers

The prime factorization of 20138205 is 15 × 1342547. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 4, 18, 53, 108, 717, 3924, 6114, 95867, 95601, 546434, 9501, 3677130, 6006891, 84402267, 78149623, 268471281, 494323761, 2052830093, 6824823363

Basic calculations (n = 20138205)

Multiplication

n×y
n×2 40276410
n×3 60414615
n×4 80552820
n×5 100691025

Division

n÷y
n÷2 10069102.5
n÷3 6712735
n÷3 5034551.25
n÷5 4027641

Exponentiation

ny
n2 405547300622025
n3 8.166994677123E+21
n4 1.6446861304181E+29
n5 3.3121026455017E+36

Nth Root

y√n
2√n 4487.5611416448
3√n 272.06557044469
4√n 66.9892613905
5√n 28.893766015195

Divisors of 20138205

1, 15, 1342547, 20138205

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20138204
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20138205 can be divided by 4 positive divisors. The sum of these divisors (counting 20138205) is 1, the average is 0.25.

Base conversion 20138205

Base System Value
2 Binary 1001100110100100011011101
3 Ternary 1101220010102110
4 Quaternary 1030310203131
5 Quinary 20123410310
6 Senary 1555344233
8 Octal 114644335
10 Decimal 20138205
12 Duodecimal 68b2079
16 Hexadecimal 13348dd
20 Vigesimal 65h5a5
36 Base36 bzmql

Cryptographic Hash Functions

md5 ddb556939b37cfde27df8deba022beeb
sha1 b33aa466517b1a459ed00585a746bc50f3a0f58b
sha256 a520cd650393ed16867152413fc0ff5318ccc51422e22b6bf0667ffb4cd08d76
sha512 e5be7055d1d2d427cae9f3842d339bc25247a3f8b33f6c4df53396303d717ef57f8e2182ef25f572bb887c86529ad6cc595dfc9a772610dbf10c8aaf5d1cf9dd
ripemd-160 5cbc857e93afd8a1507cfd19a69877770b517f20

20138205 as geometric shapes

Circle

Radius = n
Diameter 40276410
Circumference 126532073.76897
Area 1.2740644203173E+15

Sphere

Radius = n
Volume 3.4209827306075E+22
Surface area 5.0962576812693E+15
Circumference 126532073.76897

Square

Length = n
Perimeter 80552820
Area 405547300622025
Diagonal 28479722.63285

Cube

Length = n
Surface area 2433283803732150
Volume 8.166994677123E+21
Space diagonal 34880394.233238

Equilateral Triangle

Length = n
Perimeter 60414615
Area 1.7560713238744E+14
Altitude 17440197.116619

Triangular Pyramid

Length = n
Surface area 1.7560713238744E+14
Volume 9.6248955301801E+20
Height 9493240.8776166