20402281 (number)

20402281 is an odd 8-digits composite number following 20402280 and preceding 20402282. In scientific notation, it is written as 2.0402281 × 10^7. The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors. There are 19703088 positive integers (up to 20402281) that are relatively prime to 20402281.

Interesting facts

Basic properties

Name

Name twenty million four hundred two thousand two hundred eighty-one

Notation

Scientific notation 2.0402281 × 10^7
Engineering notation 2.0402281 × 10^6

Prime Factorization of 20402281

Prime Factorization 5143 × 3967

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20402281
Product of the distinct prime numbers

The prime factorization of 20402281 is 5143 × 3967. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20402281)

Multiplication

n×y
n×2 40804562
n×3 61206843
n×4 81609124
n×5 102011405

Division

n÷y
n÷2 10201140.5
n÷3 6800760.3333333
n÷3 5100570.25
n÷5 4080456.2

Exponentiation

ny
n2 416253070002961
n3 8.4925121013131E+21
n4 1.7326661828689E+29
n5 3.5350342342089E+36

Nth Root

y√n
2√n 4516.8884201406
3√n 273.24962520321
4√n 67.207800292381
5√n 28.969149496062

Divisors of 20402281

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 -20402280
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 20402281 can be divided by 4 positive divisors. The sum of these divisors (counting 20402281) is 1, the average is 0.25.

Base conversion 20402281

Base System Value
2 Binary 1001101110101000001101001
3 Ternary 1102101112200001
4 Quaternary 1031311001221
5 Quinary 20210333111
6 Senary 2005143001
8 Octal 115650151
10 Decimal 20402281
12 Duodecimal 69baa61
16 Hexadecimal 1375069
20 Vigesimal 67a5e1
36 Base36 c5ai1

Cryptographic Hash Functions

md5 e29e0ddc540afbde656eabf42b4a8ef7
sha1 99f1cae216025a020cfca4a6a93274ba27efdac5
sha256 2148dc3071498d5cacb5fc87db6fcc72438b5d09dc026ccbe9a3a70bf5675169
sha512 53a077d327258c6cf18c086aad468a7b2cba64fd6185348c90e85e924a2de676ba2d779cbe0939e84ca233b85e9a52fb622aa34d0a1a07db458daa12c17c7175
ripemd-160 15132f2675c2fb8b141a250f2f83f7d69e45a134

20402281 as geometric shapes

Circle

Radius = n
Diameter 40804562
Circumference 128191312.21215
Area 1.3076975867555E+15

Sphere

Radius = n
Volume 3.557335150401E+22
Surface area 5.230790347022E+15
Circumference 128191312.21215

Square

Length = n
Perimeter 81609124
Area 416253070002961
Diagonal 28853182.493547

Cube

Length = n
Surface area 2497518420017766
Volume 8.4925121013131E+21
Space diagonal 35337787.282297

Equilateral Triangle

Length = n
Perimeter 61206843
Area 1.8024286651291E+14
Altitude 17668893.641149

Triangular Pyramid

Length = n
Surface area 1.8024286651291E+14
Volume 1.0008521493579E+21
Height 9617727.497849