20081481 (number)

20081481 is an odd 8-digits composite number following 20081480 and preceding 20081482. In scientific notation, it is written as 2.0081481 × 10^7. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 11475120 positive integers (up to 20081481) that are relatively prime to 20081481.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0081481 × 10^7
Engineering notation 2.0081481 × 10^6

Prime Factorization of 20081481

Prime Factorization 3 × 7 × 956261

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20081481
Product of the distinct prime numbers

The prime factorization of 20081481 is 3 × 7 × 956261. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20081481)

Multiplication

n×y
n×2 40162962
n×3 60244443
n×4 80325924
n×5 100407405

Division

n÷y
n÷2 10040740.5
n÷3 6693827
n÷3 5020370.25
n÷5 4016296.2

Exponentiation

ny
n2 403265879153361
n3 8.0981760901665E+21
n4 1.6262336928933E+29
n5 3.2657181005397E+36

Nth Root

y√n
2√n 4481.236548097
3√n 271.8098846304
4√n 66.942038720799
5√n 28.877470424515

Divisors of 20081481

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20081480
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20081481 can be divided by 8 positive divisors. The sum of these divisors (counting 20081481) is 1, the average is 0.125.

Base conversion 20081481

Base System Value
2 Binary 1001100100110101101001001
3 Ternary 1101210020121120
4 Quaternary 1030212231021
5 Quinary 20120101411
6 Senary 1554225453
8 Octal 114465511
10 Decimal 20081481
12 Duodecimal 6885289
16 Hexadecimal 1326b49
20 Vigesimal 65a3e1
36 Base36 byeyx

Cryptographic Hash Functions

md5 91cf98e74a13045537042f16806a7c86
sha1 965f64c7206935402a7e144e820edb4805928cf8
sha256 600eca093bdba039fb31d157ec7f54ca1037450d55e0fec3bb7cdac526193b52
sha512 250fc2460d047f171a6c5c3f728437554efcda5a8ebcc40c0d7bfdd50941538a1874e9efcb829720e936ab76b0205b130827f36297770ecd7b54e2920657d37d
ripemd-160 a52f82fabe3a0e4096a57c140d29de9fa3538fd6

20081481 as geometric shapes

Circle

Radius = n
Diameter 40162962
Circumference 126175666.36561
Area 1.2668971233916E+15

Sphere

Radius = n
Volume 3.3921560683125E+22
Surface area 5.0675884935665E+15
Circumference 126175666.36561

Square

Length = n
Perimeter 80325924
Area 403265879153361
Diagonal 28399502.782738

Cube

Length = n
Surface area 2419595274920166
Volume 8.0981760901665E+21
Space diagonal 34782145.383229

Equilateral Triangle

Length = n
Perimeter 60244443
Area 1.7461924791314E+14
Altitude 17391072.691615

Triangular Pyramid

Length = n
Surface area 1.7461924791314E+14
Volume 9.5437920476658E+20
Height 9466500.9275792