1808 (number)

1808 is an even 4-digits composite number following 1807 and preceding 1809. In scientific notation, it is written as 1.808 × 10^3. The sum of its digits is 17. It has a total of 5 prime factors and 10 positive divisors. There are 896 positive integers (up to 1808) that are relatively prime to 1808.

Interesting facts

Basic properties

Name

Name one thousand eight hundred eight

Notation

Scientific notation 1.808 × 10^3
Engineering notation 1.808 × 10^3

Prime Factorization of 1808

Prime Factorization 2 × 2 × 2 × 2 × 113

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 226
Product of the distinct prime numbers

The prime factorization of 1808 is 2 × 2 × 2 × 2 × 113. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 5, 10, 30, 961, 371, 929, 6308, 7012, 37193, 266401, 492906, 7245281, 2321234, 81179448, 77568593, 788987012, 613300265, 1620344007, 9555743350

Basic calculations (n = 1808)

Multiplication

n×y
n×2 3616
n×3 5424
n×4 7232
n×5 9040

Division

n÷y
n÷2 904
n÷3 602.66666666667
n÷3 452
n÷5 361.6

Exponentiation

ny
n2 3268864
n3 5910106112
n4 10685471850496
n5 19319333105696768

Nth Root

y√n
2√n 42.520583250939
3√n 12.18239869784
4√n 6.5207808773903
5√n 4.4816680431557

Divisors of 1808

1, 2, 4, 8, 16, 113, 226, 452, 904, 1808

10 divisors

τ Total Divisors 10
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1807
Sum of the proper positive divisors of n
A Arithmetic Mean 0.1
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 10
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1808 can be divided by 10 positive divisors. The sum of these divisors (counting 1808) is 1, the average is 0.1.

Base conversion 1808

Base System Value
2 Binary 11100010000
3 Ternary 2110222
4 Quaternary 130100
5 Quinary 24213
6 Senary 12212
8 Octal 3420
10 Decimal 1808
12 Duodecimal 1068
16 Hexadecimal 710
20 Vigesimal 4a8
36 Base36 1e8

Cryptographic Hash Functions

md5 39027dfad5138c9ca0c474d71db915c3
sha1 68f64f0401af7dbe4bc3a5dc99955cdaf23c3150
sha256 0ee372d0a0fefa4431a2ece96d93c06f3984e8cb8d2d1c4003549e975413bf3e
sha512 424e1b6c08c9894f4cc01715b9ccdf346cdd6a83b8d3dab2105c8466d1286a86a2b0589cc6c2c75bc01fe2594400796a14e789af618e4aa0092c691f2ba5cfab
ripemd-160 b2cfc8ba5d41c91e2a208e9a8fbcf9e61bfab43e

1808 as geometric shapes

Circle

Radius = n
Diameter 3616
Circumference 11359.999035381
Area 10269439.127984

Sphere

Radius = n
Volume 24756194591.194
Surface area 41077756.511937
Circumference 11359.999035381

Square

Length = n
Perimeter 7232
Area 3268864
Diagonal 2556.8981207706

Cube

Length = n
Surface area 19613184
Volume 5910106112
Space diagonal 3131.5478600845

Equilateral Triangle

Length = n
Perimeter 5424
Area 1415459.6327582
Altitude 1565.7739300423

Triangular Pyramid

Length = n
Surface area 1415459.6327582
Volume 696512684.88788
Height 852.29937359019