18838 (number)

18838 is an even 5-digits composite number following 18837 and preceding 18839. In scientific notation, it is written as 1.8838 × 10^4. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 9418 positive integers (up to 18838) that are relatively prime to 18838.

Interesting facts

Basic properties

Name

Name eighteen thousand eight hundred thirty-eight

Notation

Scientific notation 1.8838 × 10^4
Engineering notation 1.8838 × 10^3

Prime Factorization of 18838

Prime Factorization 2 × 9419

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18838
Product of the distinct prime numbers

The prime factorization of 18838 is 2 × 9419. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 4, 94, 37, 136, 380, 6013, 3623, 8177, 86552, 66439, 39812, 8739757, 2288629, 109972, 73461607, 316314408, 580054932, 9038336491, 378349936

Basic calculations (n = 18838)

Multiplication

n×y
n×2 37676
n×3 56514
n×4 75352
n×5 94190

Division

n÷y
n÷2 9419
n÷3 6279.3333333333
n÷3 4709.5
n÷5 3767.6

Exponentiation

ny
n2 354870244
n3 6685045656472
n4 125932890076619536
n5 2.3723237832634E+21

Nth Root

y√n
2√n 137.25159379767
3√n 26.607961134885
4√n 11.715442535289
5√n 7.1615488476034

Divisors of 18838

1, 2, 9419, 18838

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 -18837
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 18838 can be divided by 4 positive divisors. The sum of these divisors (counting 18838) is 1, the average is 0.25.

Base conversion 18838

Base System Value
2 Binary 100100110010110
3 Ternary 221211201
4 Quaternary 10212112
5 Quinary 1100323
6 Senary 223114
8 Octal 44626
10 Decimal 18838
12 Duodecimal aa9a
16 Hexadecimal 4996
20 Vigesimal 271i
36 Base36 eja

Cryptographic Hash Functions

md5 99d1e1fe9f1e565a009688a315b90a3a
sha1 9e6213df5ee72b265e0c7e2d309d91d19cdcfed7
sha256 dc00d177ac12de602c544198fcbc0f4ee509d3f80dc5b6402427b2374d06cde4
sha512 54015d3f1f4bcac3bd34d33b4bfd29cf7c42f823f387c8ed35708454fa5a17c8f652132b1925e54579fce7c45726e2ceaa14f971c50b6ee707dcaeae24664a44
ripemd-160 dceeb44680d7dd97bfc2f02342429c92d0eb7bc0

18838 as geometric shapes

Circle

Radius = n
Diameter 37676
Circumference 118362.64481665
Area 1114857751.528

Sphere

Radius = n
Volume 28002253764380
Surface area 4459431006.1121
Circumference 118362.64481665

Square

Length = n
Perimeter 75352
Area 354870244
Diagonal 26640.955087984

Cube

Length = n
Surface area 2129221464
Volume 6685045656472
Space diagonal 32628.373112983

Equilateral Triangle

Length = n
Perimeter 56514
Area 153663323.17559
Altitude 16314.186556491

Triangular Pyramid

Length = n
Surface area 153663323.17559
Volume 787840186038.84
Height 8880.3183626615