20808845 (number)

20808845 is an odd 8-digits composite number following 20808844 and preceding 20808846. In scientific notation, it is written as 2.0808845 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 16647072 positive integers (up to 20808845) that are relatively prime to 20808845.

Interesting facts

Basic properties

Name

Name twenty million eight hundred eight thousand eight hundred forty-five

Notation

Scientific notation 2.0808845 × 10^7
Engineering notation 2.0808845 × 10^6

Prime Factorization of 20808845

Prime Factorization 5 × 4161769

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20808845
Product of the distinct prime numbers

The prime factorization of 20808845 is 5 × 4161769. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 8, 86, 5, 53, 946, 5183, 5861, 48323, 76111, 219528, 85331, 7606620, 5086457, 30324168, 62982698, 571100623, 179032806, 4235121587, 8676104329

Basic calculations (n = 20808845)

Multiplication

n×y
n×2 41617690
n×3 62426535
n×4 83235380
n×5 104044225

Division

n÷y
n÷2 10404422.5
n÷3 6936281.6666667
n÷3 5202211.25
n÷5 4161769

Exponentiation

ny
n2 433008030234025
n3 9.0103969848951E+21
n4 1.8749595424715E+29
n5 3.901574250056E+36

Nth Root

y√n
2√n 4561.6712946025
3√n 275.05275021144
4√n 67.540145799387
5√n 29.083695903521

Divisors of 20808845

1, 5, 4161769, 20808845

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 -20808844
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 20808845 can be divided by 4 positive divisors. The sum of these divisors (counting 20808845) is 1, the average is 0.25.

Base conversion 20808845

Base System Value
2 Binary 1001111011000010010001101
3 Ternary 1110011012100222
4 Quaternary 1033120102031
5 Quinary 20311340340
6 Senary 2022001125
8 Octal 117302215
10 Decimal 20808845
12 Duodecimal 6b761a5
16 Hexadecimal 13d848d
20 Vigesimal 6a1225
36 Base36 ce07h

Cryptographic Hash Functions

md5 55cc0d2270de1364e3a34f10e296088d
sha1 bceb06d966325098e3bdd0e49e431cd04e6b27bd
sha256 84869a3c473c974386ba6ad06bd904f5f14fd5721d9d86016d4d70cdb941ee56
sha512 b6d0e2157afbb5e4a291e6a49c490658b572e6a29427cc580ded9bbdff76dd907ea18ab425d82aae9fe35838569713e1c73c6884d9deced447a377a20d5f420a
ripemd-160 6c0edc5d173463046c505f020c82775675a70e10

20808845 as geometric shapes

Circle

Radius = n
Diameter 41617690
Circumference 130745829.16338
Area 1.3603348467286E+15

Sphere

Radius = n
Volume 3.7742662631566E+22
Surface area 5.4413393869144E+15
Circumference 130745829.16338

Square

Length = n
Perimeter 83235380
Area 433008030234025
Diagonal 29428150.81632

Cube

Length = n
Surface area 2598048181404150
Volume 9.0103969848951E+21
Space diagonal 36041976.786826

Equilateral Triangle

Length = n
Perimeter 62426535
Area 1.8749797711266E+14
Altitude 18020988.393413

Triangular Pyramid

Length = n
Surface area 1.8749797711266E+14
Volume 1.0618854682004E+21
Height 9809383.6054399