21608081 (number)

21608081 is an odd 8-digits composite number following 21608080 and preceding 21608082. In scientific notation, it is written as 2.1608081 × 10^7. The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors. There are 19602000 positive integers (up to 21608081) that are relatively prime to 21608081.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred eight thousand eighty-one

Notation

Scientific notation 2.1608081 × 10^7
Engineering notation 2.1608081 × 10^6

Prime Factorization of 21608081

Prime Factorization 11 × 3631 × 541

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21608081
Product of the distinct prime numbers

The prime factorization of 21608081 is 11 × 3631 × 541. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21608081)

Multiplication

n×y
n×2 43216162
n×3 64824243
n×4 86432324
n×5 108040405

Division

n÷y
n÷2 10804040.5
n÷3 7202693.6666667
n÷3 5402020.25
n÷5 4321616.2

Exponentiation

ny
n2 466909164502561
n3 1.0089011046214E+22
n4 2.1800416789648E+29
n5 4.7106517182447E+36

Nth Root

y√n
2√n 4648.4493113295
3√n 278.53005594524
4√n 68.179537335842
5√n 29.303752649945

Divisors of 21608081

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 -21608080
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 21608081 can be divided by 8 positive divisors. The sum of these divisors (counting 21608081) is 1, the average is 0.125.

Base conversion 21608081

Base System Value
2 Binary 1010010011011011010010001
3 Ternary 1111122210201022
4 Quaternary 1102123122101
5 Quinary 21012424311
6 Senary 2051045225
8 Octal 122333221
10 Decimal 21608081
12 Duodecimal 72a0815
16 Hexadecimal 149b691
20 Vigesimal 6f1041
36 Base36 cv4wh

Cryptographic Hash Functions

md5 f2cbd7cfdfed8676ff8db3462428d5c7
sha1 7ddc55e063256a925a5fd955a1fcc991322b54ac
sha256 944f047e2424f19f230f4f11d6963f5238a4887b70ecfa1dcbcf0521eb6007e6
sha512 03c73ec609638479e0c7f0aacd972a9f6d1f855c2e2a6a4943cbe1a2136d36a7cd4956e8454d0a9124578997d06377e08afa62e91dc42902c897379193d9e766
ripemd-160 8e2cf1bc6a4a1747269429d666fe067a9dd7b6cc

21608081 as geometric shapes

Circle

Radius = n
Diameter 43216162
Circumference 135767577.05555
Area 1.466838401095E+15

Sphere

Radius = n
Volume 4.2260750646361E+22
Surface area 5.86735360438E+15
Circumference 135767577.05555

Square

Length = n
Perimeter 86432324
Area 466909164502561
Diagonal 30558441.207056

Cube

Length = n
Surface area 2801454987015366
Volume 1.0089011046214E+22
Space diagonal 37426294.146064

Equilateral Triangle

Length = n
Perimeter 64824243
Area 2.0217759885949E+14
Altitude 18713147.073032

Triangular Pyramid

Length = n
Surface area 2.0217759885949E+14
Volume 1.1890013543739E+21
Height 10186147.069019