20808530 (number)

20808530 is an even 8-digits composite number following 20808529 and preceding 20808531. In scientific notation, it is written as 2.0808530 × 10^7. The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors. There are 8310960 positive integers (up to 20808530) that are relatively prime to 20808530.

Interesting facts

Basic properties

Name

Name twenty million eight hundred eight thousand five hundred thirty

Notation

Scientific notation 2.0808530 × 10^7
Engineering notation 2.0808530 × 10^6

Prime Factorization of 20808530

Prime Factorization 2 × 5 × 971 × 2143

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20808530
Product of the distinct prime numbers

The prime factorization of 20808530 is 2 × 5 × 971 × 2143. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 7, 16, 12, 430, 847, 1883, 4363, 33979, 88545, 882306, 299362, 7434386, 2904200, 44010755, 94902824, 435217015, 13346283, 6257358120, 7352962722

Basic calculations (n = 20808530)

Multiplication

n×y
n×2 41617060
n×3 62425590
n×4 83234120
n×5 104042650

Division

n÷y
n÷2 10404265
n÷3 6936176.6666667
n÷3 5202132.5
n÷5 4161706

Exponentiation

ny
n2 432994920760900
n3 9.0099877985008E+21
n4 1.8748460140474E+29
n5 3.9012789528685E+36

Nth Root

y√n
2√n 4561.6367676526
3√n 275.05136230719
4√n 67.53989019574
5√n 29.083607850391

Divisors of 20808530

1, 2, 5, 10, 971, 1942, 2143, 4286, 4855, 9710, 10715, 21430, 2080853, 4161706, 10404265, 20808530

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20808529
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20808530 can be divided by 16 positive divisors. The sum of these divisors (counting 20808530) is 1, the average is 0.0625.

Base conversion 20808530

Base System Value
2 Binary 1001111011000001101010010
3 Ternary 1110011011221022
4 Quaternary 1033120031102
5 Quinary 20311333110
6 Senary 2021555442
8 Octal 117301522
10 Decimal 20808530
12 Duodecimal 6b75b82
16 Hexadecimal 13d8352
20 Vigesimal 6a116a
36 Base36 cdzyq

Cryptographic Hash Functions

md5 4d6cc2de5d0db9dd8e56ecc696a4465d
sha1 226ef636a3c3a8fb1168d7ac83699047ab9f2326
sha256 3492910e1af825bbcb3deac5a36d29ca510f787f7429893ed3f34116b0f46730
sha512 1b6d4aea55bf108111167ea245f4b534959e2cf23ab32f080d9b1a39222edbd9f78df08caba7f8b0a23f876431fb2139c230164e38c9e4314b57e66571d2732e
ripemd-160 3a76439e90b6b58472728514c3fe05925a8fe051

20808530 as geometric shapes

Circle

Radius = n
Diameter 41617060
Circumference 130743849.96001
Area 1.3602936621041E+15

Sphere

Radius = n
Volume 3.7740948635605E+22
Surface area 5.4411746484166E+15
Circumference 130743849.96001

Square

Length = n
Perimeter 83234120
Area 432994920760900
Diagonal 29427705.339047

Cube

Length = n
Surface area 2597969524565400
Volume 9.0099877985008E+21
Space diagonal 36041431.190821

Equilateral Triangle

Length = n
Perimeter 62425590
Area 1.8749230054428E+14
Altitude 18020715.595411

Triangular Pyramid

Length = n
Surface area 1.8749230054428E+14
Volume 1.0618372451213E+21
Height 9809235.1130158