18808081 (number)

18808081 is an odd 8-digits composite number following 18808080 and preceding 18808082. In scientific notation, it is written as 1.8808081 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 17705952 positive integers (up to 18808081) that are relatively prime to 18808081.

Interesting facts

Basic properties

Name

Name eighteen million eight hundred eight thousand eighty-one

Notation

Scientific notation 1.8808081 × 10^7
Engineering notation 1.8808081 × 10^6

Prime Factorization of 18808081

Prime Factorization 3097 × 6073

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18808081
Product of the distinct prime numbers

The prime factorization of 18808081 is 3097 × 6073. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18808081)

Multiplication

n×y
n×2 37616162
n×3 56424243
n×4 75232324
n×5 94040405

Division

n÷y
n÷2 9404040.5
n÷3 6269360.3333333
n÷3 4702020.25
n÷5 3761616.2

Exponentiation

ny
n2 353743910902561
n3 6.6532441295122E+21
n4 1.2513475450064E+29
n5 2.3535445985631E+36

Nth Root

y√n
2√n 4336.8284494547
3√n 265.93867186218
4√n 65.854600822226
5√n 28.501577458791

Divisors of 18808081

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 -18808080
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 18808081 can be divided by 4 positive divisors. The sum of these divisors (counting 18808081) is 1, the average is 0.25.

Base conversion 18808081

Base System Value
2 Binary 1000111101111110100010001
3 Ternary 1022101112211121
4 Quaternary 1013233310101
5 Quinary 14303324311
6 Senary 1511042241
8 Octal 107576421
10 Decimal 18808081
12 Duodecimal 6370381
16 Hexadecimal 11efd11
20 Vigesimal 5hb041
36 Base36 b74ep

Cryptographic Hash Functions

md5 0bc2a0151bb480f4df01a5bf4bb7e883
sha1 672fcee0ce6271df6d6589823bdfa1b107a8b440
sha256 3352245553b7ae2030fe3998d26f15aee2220c8dbd0a21f6264b127a4f57d446
sha512 2f1f12d0c0336949b87f8ee781b91b1ade3c3c3fe24c63a3fdf6384354043706144ee0b63d91fa0bbad24bd9f28b8472c0238709d138b853f2bacf81e6388515
ripemd-160 d4260dfac83ae65a2581ddc06b8dd457ad852b5e

18808081 as geometric shapes

Circle

Radius = n
Diameter 37616162
Circumference 118174658.19544
Area 1.1113192717436E+15

Sphere

Radius = n
Volume 2.7869043839753E+22
Surface area 4.4452770869744E+15
Circumference 118174658.19544

Square

Length = n
Perimeter 75232324
Area 353743910902561
Diagonal 26598643.232412

Cube

Length = n
Surface area 2122463465415366
Volume 6.6532441295122E+21
Space diagonal 32576551.884871

Equilateral Triangle

Length = n
Perimeter 56424243
Area 1.5317560663784E+14
Altitude 16288275.942435

Triangular Pyramid

Length = n
Surface area 1.5317560663784E+14
Volume 7.8409234014461E+20
Height 8866214.4108039