18993908 (number)

18993908 is an even 8-digits composite number following 18993907 and preceding 18993909. In scientific notation, it is written as 1.8993908 × 10^7. The sum of its digits is 47. It has a total of 3 prime factors and 6 positive divisors. There are 9496952 positive integers (up to 18993908) that are relatively prime to 18993908.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred ninety-three thousand nine hundred eight

Notation

Scientific notation 1.8993908 × 10^7
Engineering notation 1.8993908 × 10^6

Prime Factorization of 18993908

Prime Factorization 2 × 2 × 4748477

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 9496954
Product of the distinct prime numbers

The prime factorization of 18993908 is 2 × 2 × 4748477. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18993908)

Multiplication

n×y
n×2 37987816
n×3 56981724
n×4 75975632
n×5 94969540

Division

n÷y
n÷2 9496954
n÷3 6331302.6666667
n÷3 4748477
n÷5 3798781.6

Exponentiation

ny
n2 360768541112464
n3 6.8524044791844E+21
n4 1.3015394025642E+29
n5 2.4721319670679E+36

Nth Root

y√n
2√n 4358.200087192
3√n 266.81164269581
4√n 66.016665223199
5√n 28.557676263195

Divisors of 18993908

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18993907
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18993908 can be divided by 6 positive divisors. The sum of these divisors (counting 18993908) is 1, the average is 0.16666666666667.

Base conversion 18993908

Base System Value
2 Binary 1001000011101001011110100
3 Ternary 1022201222202002
4 Quaternary 1020131023310
5 Quinary 14330301113
6 Senary 1515034432
8 Octal 110351364
10 Decimal 18993908
12 Duodecimal 643ba18
16 Hexadecimal 121d2f4
20 Vigesimal 5ie4f8
36 Base36 bb3sk

Cryptographic Hash Functions

md5 71f01053b1e5d98acc4e2982891c9f46
sha1 3a3d1cb726e3ddcaac6e07b5a21ee5685e49bbc1
sha256 af5810a8b8f95ccdb7b94492626852a98f1ccafb91cf2a289c18ec1d7216dcd6
sha512 d14018a67181cbca5e1dd9527228acd47fd97efeb12c683f7e4fd9cc6d23156870f3e6b724132c9465e396dcdd64f0db937487457653497350087d9da47c052e
ripemd-160 21a3cd723ac90d1717c3e6b645c028830948a9e8

18993908 as geometric shapes

Circle

Radius = n
Diameter 37987816
Circumference 119342243.67152
Area 1.1333877984052E+15

Sphere

Radius = n
Volume 2.8703284761642E+22
Surface area 4.5335511936209E+15
Circumference 119342243.67152

Square

Length = n
Perimeter 75975632
Area 360768541112464
Diagonal 26861442.296067

Cube

Length = n
Surface area 2164611246674784
Volume 6.8524044791844E+21
Space diagonal 32898413.690289

Equilateral Triangle

Length = n
Perimeter 56981724
Area 1.5621736074482E+14
Altitude 16449206.845144

Triangular Pyramid

Length = n
Surface area 1.5621736074482E+14
Volume 8.0756361244406E+20
Height 8953814.0986889