20808540 (number)

20808540 is an even 8-digits composite number following 20808539 and preceding 20808541. In scientific notation, it is written as 2.0808540 × 10^7. The sum of its digits is 27. It has a total of 6 prime factors and 36 positive divisors. There are 5548896 positive integers (up to 20808540) that are relatively prime to 20808540.

Interesting facts

Basic properties

Name

Name twenty million eight hundred eight thousand five hundred forty

Notation

Scientific notation 2.0808540 × 10^7
Engineering notation 2.0808540 × 10^6

Prime Factorization of 20808540

Prime Factorization 2 × 2 × 3 × 3 × 5 × 115603

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 3468090
Product of the distinct prime numbers

The prime factorization of 20808540 is 2 × 2 × 3 × 3 × 5 × 115603. Since it has a total of 6 prime factors.

Most popular turbo-numbers

7, 4, 76, 79, 265, 329, 8076, 8541, 90855, 40371, 104606, 855637, 2358182, 7686061, 84006884, 69168741, 21433011, 621022910, 8333080132, 5051478831

Basic calculations (n = 20808540)

Multiplication

n×y
n×2 41617080
n×3 62425620
n×4 83234160
n×5 104042700

Division

n÷y
n÷2 10404270
n÷3 6936180
n÷3 5202135
n÷5 4161708

Exponentiation

ny
n2 432995336931600
n3 9.0100007883547E+21
n4 1.8748496180451E+29
n5 3.9012883271076E+36

Nth Root

y√n
2√n 4561.6378637503
3√n 275.05140636785
4√n 67.539898310186
5√n 29.083610645744

Divisors of 20808540

1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 115603, 231206, 346809, 462412, 578015, 693618, 1040427, 1156030, 1387236, 1734045, 2080854, 2312060, 3468090, 4161708, 5202135, 6936180, 10404270, 20808540

36 divisors

τ Total Divisors 36
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20808539
Sum of the proper positive divisors of n
A Arithmetic Mean 0.027777777777778
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 36
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20808540 can be divided by 36 positive divisors. The sum of these divisors (counting 20808540) is 1, the average is 0.027777777777778.

Base conversion 20808540

Base System Value
2 Binary 1001111011000001101011100
3 Ternary 1110011011221200
4 Quaternary 1033120031130
5 Quinary 20311333130
6 Senary 2021555500
8 Octal 117301534
10 Decimal 20808540
12 Duodecimal 6b75b90
16 Hexadecimal 13d835c
20 Vigesimal 6a1170
36 Base36 cdzz0

Cryptographic Hash Functions

md5 217331d5a40bfb326c471e97f0decf45
sha1 7a81de28f9d86293812ce0ea02892a2488779dd8
sha256 f8ae4b69897f073803ab8d842c405c5ed3744bc308602af93b473a4ae1e6f266
sha512 7fcd9fa0c6489a2bfa66d346d05e40406eae6be55c0c4c918d3f6602b8b66ffe8505c9768a5a049e6b51d15ae7003bb4ce3c35fa4fb05c2c603b7e3ec799c442
ripemd-160 e83089d67ebb0bc67a987d45282c723ced9518ac

20808540 as geometric shapes

Circle

Radius = n
Diameter 41617080
Circumference 130743912.79186
Area 1.360294969543E+15

Sphere

Radius = n
Volume 3.7741003047378E+22
Surface area 5.4411798781718E+15
Circumference 130743912.79186

Square

Length = n
Perimeter 83234160
Area 432995336931600
Diagonal 29427719.481183

Cube

Length = n
Surface area 2597972021589600
Volume 9.0100007883547E+21
Space diagonal 36041448.511329

Equilateral Triangle

Length = n
Perimeter 62425620
Area 1.8749248075148E+14
Altitude 18020724.255665

Triangular Pyramid

Length = n
Surface area 1.8749248075148E+14
Volume 1.0618387759903E+21
Height 9809239.827061