20005281 (number)

20005281 is an odd 8-digits composite number following 20005280 and preceding 20005282. In scientific notation, it is written as 2.0005281 × 10^7. The sum of its digits is 18. It has a total of 3 prime factors and 6 positive divisors. There are 13336848 positive integers (up to 20005281) that are relatively prime to 20005281.

Interesting facts

Basic properties

Name

Name twenty million five thousand two hundred eighty-one

Notation

Scientific notation 2.0005281 × 10^7
Engineering notation 2.0005281 × 10^6

Prime Factorization of 20005281

Prime Factorization 3 × 3 × 2222809

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 6668427
Product of the distinct prime numbers

The prime factorization of 20005281 is 3 × 3 × 2222809. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20005281)

Multiplication

n×y
n×2 40010562
n×3 60015843
n×4 80021124
n×5 100026405

Division

n÷y
n÷2 10002640.5
n÷3 6668427
n÷3 5001320.25
n÷5 4001056.2

Exponentiation

ny
n2 400211267888961
n3 8.0063388734849E+21
n4 1.6016905894529E+29
n5 3.2042270317061E+36

Nth Root

y√n
2√n 4472.7263497782
3√n 271.46565095601
4√n 66.878444582527
5√n 28.855521736869

Divisors of 20005281

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20005280
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20005281 can be divided by 6 positive divisors. The sum of these divisors (counting 20005281) is 1, the average is 0.16666666666667.

Base conversion 20005281

Base System Value
2 Binary 1001100010100000110100001
3 Ternary 1101122101002100
4 Quaternary 1030110012201
5 Quinary 20110132111
6 Senary 1552441013
8 Octal 114240641
10 Decimal 20005281
12 Duodecimal 6849169
16 Hexadecimal 13141a1
20 Vigesimal 650d41
36 Base36 bws69

Cryptographic Hash Functions

md5 e4c927057ad6dfd04521f6ff3a83d07c
sha1 242db51bf31b31d974874d2d0d7ab4e701605a7a
sha256 807da63e6f685cf8aad928f1d0201e40f48bb5a8da85bb981129e96f3b48c00f
sha512 cdc7743101f014c23f615ccdf66412f890fb9c15b632f6288c5282fb5e7c0beb7dccc92b3f7b6f3c43aa3496bbfff05038ccf5270a2fb755fa7e5ab2b224a6d8
ripemd-160 d7289346713535f4812e1b2e518bbfc353465052

20005281 as geometric shapes

Circle

Radius = n
Diameter 40010562
Circumference 125696887.6452
Area 1.2573007790838E+15

Sphere

Radius = n
Volume 3.3536873849454E+22
Surface area 5.0292031163353E+15
Circumference 125696887.6452

Square

Length = n
Perimeter 80021124
Area 400211267888961
Diagonal 28291739.709285

Cube

Length = n
Surface area 2401267607333766
Volume 8.0063388734849E+21
Space diagonal 34650163.111692

Equilateral Triangle

Length = n
Perimeter 60015843
Area 1.7329656243631E+14
Altitude 17325081.555846

Triangular Pyramid

Length = n
Surface area 1.7329656243631E+14
Volume 9.4355608498644E+20
Height 9430579.9030949