20808549 (number)

20808549 is an odd 8-digits composite number following 20808548 and preceding 20808550. In scientific notation, it is written as 2.0808549 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 13826160 positive integers (up to 20808549) that are relatively prime to 20808549.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0808549 × 10^7
Engineering notation 2.0808549 × 10^6

Prime Factorization of 20808549

Prime Factorization 9 × 3 × 347 × 2221

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20808549
Product of the distinct prime numbers

The prime factorization of 20808549 is 9 × 3 × 347 × 2221. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20808549)

Multiplication

n×y
n×2 41617098
n×3 62425647
n×4 83234196
n×5 104042745

Division

n÷y
n÷2 10404274.5
n÷3 6936183
n÷3 5202137.25
n÷5 4161709.8

Exponentiation

ny
n2 432995711485401
n3 9.0100124792338E+21
n4 1.8748528616475E+29
n5 3.9012967639382E+36

Nth Root

y√n
2√n 4561.6388502379
3√n 275.05144602244
4√n 67.539905613185
5√n 29.083613161562

Divisors of 20808549

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 -20808548
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 20808549 can be divided by 16 positive divisors. The sum of these divisors (counting 20808549) is 1, the average is 0.0625.

Base conversion 20808549

Base System Value
2 Binary 1001111011000001101100101
3 Ternary 1110011011222000
4 Quaternary 1033120031211
5 Quinary 20311333144
6 Senary 2021555513
8 Octal 117301545
10 Decimal 20808549
12 Duodecimal 6b75b99
16 Hexadecimal 13d8365
20 Vigesimal 6a1179
36 Base36 cdzz9

Cryptographic Hash Functions

md5 ce73687981ec22107edf3c526d2fcfb1
sha1 092b65890eb676e991d7065a0474086bdbf83f07
sha256 8df1b0fc6e50fe8cc43f03296d846c708c0ed44a980a24210bfccdafe2423a08
sha512 eb1748171e11f9a5c0bfb2b62862ccb90d35c4122709d1040316eae02cce97fffa72c3805ae0ea50a72b5db573d598cbb81b35401492df941ee995b0dd5e00cc
ripemd-160 c0525f6411724a94e4c2a566099ce056276e62cc

20808549 as geometric shapes

Circle

Radius = n
Diameter 41617098
Circumference 130743969.34053
Area 1.3602961462384E+15

Sphere

Radius = n
Volume 3.7741052018018E+22
Surface area 5.4411845849537E+15
Circumference 130743969.34053

Square

Length = n
Perimeter 83234196
Area 432995711485401
Diagonal 29427732.209105

Cube

Length = n
Surface area 2597974268912406
Volume 9.0100124792338E+21
Space diagonal 36041464.099787

Equilateral Triangle

Length = n
Perimeter 62425647
Area 1.8749264293804E+14
Altitude 18020732.049893

Triangular Pyramid

Length = n
Surface area 1.8749264293804E+14
Volume 1.0618401537736E+21
Height 9809244.0697017