20080981 (number)

20080981 is an odd 8-digits composite number following 20080980 and preceding 20080982. In scientific notation, it is written as 2.0080981 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 19855264 positive integers (up to 20080981) that are relatively prime to 20080981.

Interesting facts

Basic properties

Name

Name twenty million eighty thousand nine hundred eighty-one

Notation

Scientific notation 2.0080981 × 10^7
Engineering notation 2.0080981 × 10^6

Prime Factorization of 20080981

Prime Factorization 89 × 225629

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20080981
Product of the distinct prime numbers

The prime factorization of 20080981 is 89 × 225629. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20080981)

Multiplication

n×y
n×2 40161962
n×3 60242943
n×4 80323924
n×5 100404905

Division

n÷y
n÷2 10040490.5
n÷3 6693660.3333333
n÷3 5020245.25
n÷5 4016196.2

Exponentiation

ny
n2 403245797922361
n3 8.0975712064088E+21
n4 1.6260717354204E+29
n5 3.2653115623614E+36

Nth Root

y√n
2√n 4481.1807595767
3√n 271.80762871992
4√n 66.941622026783
5√n 28.877326621585

Divisors of 20080981

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 -20080980
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 20080981 can be divided by 4 positive divisors. The sum of these divisors (counting 20080981) is 1, the average is 0.25.

Base conversion 20080981

Base System Value
2 Binary 1001100100110100101010101
3 Ternary 1101210012221001
4 Quaternary 1030212211111
5 Quinary 20120042411
6 Senary 1554223301
8 Octal 114464525
10 Decimal 20080981
12 Duodecimal 6884b31
16 Hexadecimal 1326955
20 Vigesimal 65a291
36 Base36 byel1

Cryptographic Hash Functions

md5 587390ac268aadc9aa86825decb5893b
sha1 61fe3c7ba00634e61c112d682c5c01e03cc3ecc3
sha256 e4403c37b65f44428dd993219228df31c2105a5b582f43a77599d72025d498d4
sha512 29bab3c9ae1368daf262fb63ff52729e18cebdc081829ee60bbe9549c61caa2222ded0f24b8233714e064cd804ca077553e2e42eba31e87ebb9d9174117e6724
ripemd-160 7cf12126401961843ca1acbae9e8b2663f5e7172

20080981 as geometric shapes

Circle

Radius = n
Diameter 40161962
Circumference 126172524.77295
Area 1.2668340363438E+15

Sphere

Radius = n
Volume 3.3919026951965E+22
Surface area 5.0673361453754E+15
Circumference 126172524.77295

Square

Length = n
Perimeter 80323924
Area 403245797922361
Diagonal 28398795.675956

Cube

Length = n
Surface area 2419474787534166
Volume 8.0975712064088E+21
Space diagonal 34781279.357825

Equilateral Triangle

Length = n
Perimeter 60242943
Area 1.7461055248505E+14
Altitude 17390639.678913

Triangular Pyramid

Length = n
Surface area 1.7461055248505E+14
Volume 9.543079185321E+20
Height 9466265.2253188