20538894 (number)

20538894 is an even 8-digits composite number following 20538893 and preceding 20538895. In scientific notation, it is written as 2.0538894 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 6759480 positive integers (up to 20538894) that are relatively prime to 20538894.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0538894 × 10^7
Engineering notation 2.0538894 × 10^6

Prime Factorization of 20538894

Prime Factorization 2 × 3 × 79 × 43331

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20538894
Product of the distinct prime numbers

The prime factorization of 20538894 is 2 × 3 × 79 × 43331. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20538894)

Multiplication

n×y
n×2 41077788
n×3 61616682
n×4 82155576
n×5 102694470

Division

n÷y
n÷2 10269447
n÷3 6846298
n÷3 5134723.5
n÷5 4107778.8

Exponentiation

ny
n2 421846166743236
n3 8.6642537030456E+21
n4 1.7795418839596E+29
n5 3.6549822123207E+36

Nth Root

y√n
2√n 4531.9856575236
3√n 273.85815913285
4√n 67.320024194319
5√n 29.007841296498

Divisors of 20538894

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 -20538893
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 20538894 can be divided by 16 positive divisors. The sum of these divisors (counting 20538894) is 1, the average is 0.0625.

Base conversion 20538894

Base System Value
2 Binary 1001110010110011000001110
3 Ternary 1102122111001210
4 Quaternary 1032112120032
5 Quinary 20224221034
6 Senary 2012115250
8 Octal 116263016
10 Decimal 20538894
12 Duodecimal 6a65b26
16 Hexadecimal 139660e
20 Vigesimal 68774e
36 Base36 c87wu

Cryptographic Hash Functions

md5 f3a5bdd50484872d3e9a0c4b3bfa25a6
sha1 d7407cec47a644f51148aacfb3e6d01a719cac30
sha256 4e99fd29ee2387df7cb75843bf49a72f38d19a71658d2469e0604b3910efb10d
sha512 7e3a6ec831b8bbfc08ee6d11b9a40e1458e75c8e269a8d955dcadf44b208617480759baa8f263813e15a2cfb9e4920ab6d54b3acd8910c4178721c81be60f8ea
ripemd-160 972a26c2354d0ac515322872a35cadd67311eaeb

20538894 as geometric shapes

Circle

Radius = n
Diameter 41077788
Circumference 129049677.00652
Area 1.3252688183856E+15

Sphere

Radius = n
Volume 3.6292741043102E+22
Surface area 5.3010752735423E+15
Circumference 129049677.00652

Square

Length = n
Perimeter 82155576
Area 421846166743236
Diagonal 29046382.450943

Cube

Length = n
Surface area 2531077000459416
Volume 8.6642537030456E+21
Space diagonal 35574407.939272

Equilateral Triangle

Length = n
Perimeter 61616682
Area 1.8266474844436E+14
Altitude 17787203.969636

Triangular Pyramid

Length = n
Surface area 1.8266474844436E+14
Volume 1.021092091224E+21
Height 9682127.4836478