20138245 (number)

20138245 is an odd 8-digits composite number following 20138244 and preceding 20138246. In scientific notation, it is written as 2.0138245 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 16094544 positive integers (up to 20138245) that are relatively prime to 20138245.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0138245 × 10^7
Engineering notation 2.0138245 × 10^6

Prime Factorization of 20138245

Prime Factorization 5 × 2027 × 1987

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20138245
Product of the distinct prime numbers

The prime factorization of 20138245 is 5 × 2027 × 1987. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20138245)

Multiplication

n×y
n×2 40276490
n×3 60414735
n×4 80552980
n×5 100691225

Division

n÷y
n÷2 10069122.5
n÷3 6712748.3333333
n÷3 5034561.25
n÷5 4027649

Exponentiation

ny
n2 405548911680025
n3 8.1670433428957E+21
n4 1.6446991976485E+29
n5 3.3121355393549E+36

Nth Root

y√n
2√n 4487.5655984063
3√n 272.06575057686
4√n 66.989294655238
5√n 28.893777493375

Divisors of 20138245

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20138244
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20138245 can be divided by 8 positive divisors. The sum of these divisors (counting 20138245) is 1, the average is 0.125.

Base conversion 20138245

Base System Value
2 Binary 1001100110100100100000101
3 Ternary 1101220010110221
4 Quaternary 1030310210011
5 Quinary 20123410440
6 Senary 1555344341
8 Octal 114644405
10 Decimal 20138245
12 Duodecimal 68b20b1
16 Hexadecimal 1334905
20 Vigesimal 65h5c5
36 Base36 bzmrp

Cryptographic Hash Functions

md5 ea8bf88e0b4fccdda4eacd4605731889
sha1 9807bbd0013ff265cc5cf5dde0f7ae17a08faba2
sha256 4dace22dda8c41cacf2d72e7985912d0125d32080a64eee3e3a1f6623ab01f0f
sha512 28d07bf6bd99d90dde537a93de7b4cafcac63cd07c82c62d3c7a8d27379a0d4fd1b149a7501d5ecdeab8a6804a25af26d5cb6dcd47b1e290fa59a592916d1a39
ripemd-160 9c83db1f919efcc05f7378d52f5804031ffcc2a3

20138245 as geometric shapes

Circle

Radius = n
Diameter 40276490
Circumference 126532325.09638
Area 1.2740694816053E+15

Sphere

Radius = n
Volume 3.4210031156787E+22
Surface area 5.0962779264212E+15
Circumference 126532325.09638

Square

Length = n
Perimeter 80552980
Area 405548911680025
Diagonal 28479779.201392

Cube

Length = n
Surface area 2433293470080150
Volume 8.1670433428957E+21
Space diagonal 34880463.51527

Equilateral Triangle

Length = n
Perimeter 60414735
Area 1.7560782999602E+14
Altitude 17440231.757635

Triangular Pyramid

Length = n
Surface area 1.7560782999602E+14
Volume 9.6249528833433E+20
Height 9493259.7337974