20449894 (number)

20449894 is an even 8-digits composite number following 20449893 and preceding 20449895. In scientific notation, it is written as 2.0449894 × 10^7. The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors. There are 9838080 positive integers (up to 20449894) that are relatively prime to 20449894.

Interesting facts

Basic properties

Name

Name twenty million four hundred forty-nine thousand eight hundred ninety-four

Notation

Scientific notation 2.0449894 × 10^7
Engineering notation 2.0449894 × 10^6

Prime Factorization of 20449894

Prime Factorization 2 × 31 × 193 × 1709

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20449894
Product of the distinct prime numbers

The prime factorization of 20449894 is 2 × 31 × 193 × 1709. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 3, 96, 57, 246, 785, 6951, 7396, 40214, 50767, 797884, 606890, 384676, 7854904, 37451129, 64523039, 861211707, 961852690, 6268877245, 5634346133

Basic calculations (n = 20449894)

Multiplication

n×y
n×2 40899788
n×3 61349682
n×4 81799576
n×5 102249470

Division

n÷y
n÷2 10224947
n÷3 6816631.3333333
n÷3 5112473.5
n÷5 4089978.8

Exponentiation

ny
n2 418198164611236
n3 8.5521081372943E+21
n4 1.7488970488421E+29
n5 3.5764759265733E+36

Nth Root

y√n
2√n 4522.1559017796
3√n 273.46202182694
4√n 67.246976896955
5√n 28.982658008693

Divisors of 20449894

1, 2, 31, 62, 193, 386, 1709, 3418, 5983, 11966, 52979, 105958, 329837, 659674, 10224947, 20449894

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 -20449893
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 20449894 can be divided by 16 positive divisors. The sum of these divisors (counting 20449894) is 1, the average is 0.0625.

Base conversion 20449894

Base System Value
2 Binary 1001110000000101001100110
3 Ternary 1102110221222111
4 Quaternary 1032000221212
5 Quinary 20213344034
6 Senary 2010151234
8 Octal 116005146
10 Decimal 20449894
12 Duodecimal 6a2251a
16 Hexadecimal 1380a66
20 Vigesimal 67g4ee
36 Base36 c6b8m

Cryptographic Hash Functions

md5 4f21746d610f5cfa49671c9910075f36
sha1 eccf88bf4d1a4a95409340332846a165144a3115
sha256 b13ac21f2773ab9dfb7817bcf6312623b7de20e48841b4d6d3c9657c6198de49
sha512 2a99782bd6cf93197e66e521e5d9f671ef975fe469d64b0b4f81f1e23e84a4f4809811c89d1217c9954e27ab20c6ec81bedb6f2317ecd5025fbdad2ad569a5d2
ripemd-160 ae6fc11afcbf7518669019fc26bc811a70a1f700

20449894 as geometric shapes

Circle

Radius = n
Diameter 40899788
Circumference 128490473.51418
Area 1.3138082816874E+15

Sphere

Radius = n
Volume 3.5822986795772E+22
Surface area 5.2552331267496E+15
Circumference 128490473.51418

Square

Length = n
Perimeter 81799576
Area 418198164611236
Diagonal 28920517.443892

Cube

Length = n
Surface area 2509188987667416
Volume 8.5521081372943E+21
Space diagonal 35420255.417398

Equilateral Triangle

Length = n
Perimeter 61349682
Area 1.8108511718468E+14
Altitude 17710127.708699

Triangular Pyramid

Length = n
Surface area 1.8108511718468E+14
Volume 1.0078756095536E+21
Height 9640172.4812974