18668841 (number)

18668841 is an odd 8-digits composite number following 18668840 and preceding 18668842. In scientific notation, it is written as 1.8668841 × 10^7. The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors. There are 12445892 positive integers (up to 18668841) that are relatively prime to 18668841.

Interesting facts

Basic properties

Name

Name eighteen million six hundred sixty-eight thousand eight hundred forty-one

Notation

Scientific notation 1.8668841 × 10^7
Engineering notation 1.8668841 × 10^6

Prime Factorization of 18668841

Prime Factorization 3 × 6222947

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18668841
Product of the distinct prime numbers

The prime factorization of 18668841 is 3 × 6222947. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18668841)

Multiplication

n×y
n×2 37337682
n×3 56006523
n×4 74675364
n×5 93344205

Division

n÷y
n÷2 9334420.5
n÷3 6222947
n÷3 4667210.25
n÷5 3733768.2

Exponentiation

ny
n2 348525624283281
n3 6.5065694641703E+21
n4 1.2147011078205E+29
n5 2.2677061844425E+36

Nth Root

y√n
2√n 4320.7454217993
3√n 265.28077988454
4√n 65.732377271778
5√n 28.459251352938

Divisors of 18668841

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 -18668840
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 18668841 can be divided by 4 positive divisors. The sum of these divisors (counting 18668841) is 1, the average is 0.25.

Base conversion 18668841

Base System Value
2 Binary 1000111001101110100101001
3 Ternary 1022010110211120
4 Quaternary 1013031310221
5 Quinary 14234400331
6 Senary 1504045453
8 Octal 107156451
10 Decimal 18668841
12 Duodecimal 6303889
16 Hexadecimal 11cdd29
20 Vigesimal 5gdc21
36 Base36 b44yx

Cryptographic Hash Functions

md5 c93be1fa3053c9fbd02c57e4c1199ab6
sha1 183e58afd93ef47a323c6eb2e8869a9af3e75400
sha256 9d604a1dd532efd1c148818a9600beee4989b068b23310b2a44162078f15ca39
sha512 5ac2a2da3d40fc10024e4581d30a41f924d150d4a0d2c9f1060b4f11764eff018f076b1fdb6bceccc15becdce08778ebbb28b552050732878c7f3b310f91abe3
ripemd-160 be8cbb9fc6e521797ae2a942b5f9ef701da74290

18668841 as geometric shapes

Circle

Radius = n
Diameter 37337682
Circumference 117299787.47327
Area 1.0949255408362E+15

Sphere

Radius = n
Volume 2.7254654438279E+22
Surface area 4.3797021633446E+15
Circumference 117299787.47327

Square

Length = n
Perimeter 74675364
Area 348525624283281
Diagonal 26401728.135987

Cube

Length = n
Surface area 2091153745699686
Volume 6.5065694641703E+21
Space diagonal 32335381.130425

Equilateral Triangle

Length = n
Perimeter 56006523
Area 1.5091602224958E+14
Altitude 16167690.565212

Triangular Pyramid

Length = n
Surface area 1.5091602224958E+14
Volume 7.6680656506269E+20
Height 8800576.045329