18808638 (number)

18808638 is an even 8-digits composite number following 18808637 and preceding 18808639. In scientific notation, it is written as 1.8808638 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 6269544 positive integers (up to 18808638) that are relatively prime to 18808638.

Interesting facts

Basic properties

Name

Name eighteen million eight hundred eight thousand six hundred thirty-eight

Notation

Scientific notation 1.8808638 × 10^7
Engineering notation 1.8808638 × 10^6

Prime Factorization of 18808638

Prime Factorization 2 × 3 × 3134773

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18808638
Product of the distinct prime numbers

The prime factorization of 18808638 is 2 × 3 × 3134773. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18808638)

Multiplication

n×y
n×2 37617276
n×3 56425914
n×4 75234552
n×5 94043190

Division

n÷y
n÷2 9404319
n÷3 6269546
n÷3 4702159.5
n÷5 3761727.6

Exponentiation

ny
n2 353764863415044
n3 6.653835253093E+21
n4 1.2514957858706E+29
n5 2.3538931194967E+36

Nth Root

y√n
2√n 4336.8926664145
3√n 265.94129708797
4√n 65.855088386658
5√n 28.501746271235

Divisors of 18808638

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18808637
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18808638 can be divided by 8 positive divisors. The sum of these divisors (counting 18808638) is 1, the average is 0.125.

Base conversion 18808638

Base System Value
2 Binary 1000111101111111100111110
3 Ternary 1022101120121020
4 Quaternary 1013233330332
5 Quinary 14303334023
6 Senary 1511045010
8 Octal 107577476
10 Decimal 18808638
12 Duodecimal 6370766
16 Hexadecimal 11eff3e
20 Vigesimal 5hb1bi
36 Base36 b74u6

Cryptographic Hash Functions

md5 864ccaef57ed60462a2a3def7db4aa0b
sha1 9bdf802a5fe79a429d9bef398eb118bdd8bc9211
sha256 07808e9b9b7d35a2ddbd4ea67b73250540ec6830df4e7f2972cbac6212222b1f
sha512 2fbbd0e9ac99a82ce5bc1d1d609229a2244100de83f1b86eb57a9e64a8faa1c08b73e62289c3a8a43598bf0245a1188c80e26fce2b6deadae248e1aa7841a504
ripemd-160 f2cf5c6b06edb963263914443e4d7f684e3d1e6f

18808638 as geometric shapes

Circle

Radius = n
Diameter 37617276
Circumference 118178157.92966
Area 1.1113850960029E+15

Sphere

Radius = n
Volume 2.7871519932418E+22
Surface area 4.4455403840116E+15
Circumference 118178157.92966

Square

Length = n
Perimeter 75234552
Area 353764863415044
Diagonal 26599430.949366

Cube

Length = n
Surface area 2122589180490264
Volume 6.653835253093E+21
Space diagonal 32577516.637171

Equilateral Triangle

Length = n
Perimeter 56425914
Area 1.5318467934188E+14
Altitude 16288758.318585

Triangular Pyramid

Length = n
Surface area 1.5318467934188E+14
Volume 7.841620047267E+20
Height 8866476.983122