20494489 (number)

20494489 is an odd 8-digits composite number following 20494488 and preceding 20494490. In scientific notation, it is written as 2.0494489 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 20408500 positive integers (up to 20494489) that are relatively prime to 20494489.

Interesting facts

Basic properties

Name

Name twenty million four hundred ninety-four thousand four hundred eighty-nine

Notation

Scientific notation 2.0494489 × 10^7
Engineering notation 2.0494489 × 10^6

Prime Factorization of 20494489

Prime Factorization 239 × 85751

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20494489
Product of the distinct prime numbers

The prime factorization of 20494489 is 239 × 85751. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20494489)

Multiplication

n×y
n×2 40988978
n×3 61483467
n×4 81977956
n×5 102472445

Division

n÷y
n÷2 10247244.5
n÷3 6831496.3333333
n÷3 5123622.25
n÷5 4098897.8

Exponentiation

ny
n2 420024079371121
n3 8.6081788744066E+21
n4 1.7642022725156E+29
n5 3.6156424067846E+36

Nth Root

y√n
2√n 4527.0839400214
3√n 273.66065667936
4√n 67.283608256554
5√n 28.995287469785

Divisors of 20494489

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 -20494488
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 20494489 can be divided by 4 positive divisors. The sum of these divisors (counting 20494489) is 1, the average is 0.25.

Base conversion 20494489

Base System Value
2 Binary 1001110001011100010011001
3 Ternary 1102120020011011
4 Quaternary 1032023202121
5 Quinary 20221310424
6 Senary 2011133521
8 Octal 116134231
10 Decimal 20494489
12 Duodecimal 6a442a1
16 Hexadecimal 138b899
20 Vigesimal 681g49
36 Base36 c79nd

Cryptographic Hash Functions

md5 25dd1abffa83daf759407c177cf97f27
sha1 063a9a47af0fc9c00b75d6bfe602401b91403e88
sha256 a7dfcf4e66c5e478fc26f5337ba84e3fde5afa53c737a7510d72c66def3f19c5
sha512 4fa2561ac57ad8b704d9d83d6c0c4d43bf3df7b7302f5c0b14fa956327cb4ebb903a214fd6dbb0a59bd30c540223a5dd2b73e95394d7217b641f8488c927a6f9
ripemd-160 26555566fffd9baf0b67c44a67fd1fa1527823c4

20494489 as geometric shapes

Circle

Radius = n
Diameter 40988978
Circumference 128770672.16295
Area 1.3195445620831E+15

Sphere

Radius = n
Volume 3.6057855350163E+22
Surface area 5.2781782483325E+15
Circumference 128770672.16295

Square

Length = n
Perimeter 81977956
Area 420024079371121
Diagonal 28983584.297706

Cube

Length = n
Surface area 2520144476226726
Volume 8.6081788744066E+21
Space diagonal 35497496.223161

Equilateral Triangle

Length = n
Perimeter 61483467
Area 1.8187576146828E+14
Altitude 17748748.111581

Triangular Pyramid

Length = n
Surface area 1.8187576146828E+14
Volume 1.0144836092933E+21
Height 9661194.7659021