18678906 (number)

18678906 is an even 8-digits composite number following 18678905 and preceding 18678907. In scientific notation, it is written as 1.8678906 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 6176520 positive integers (up to 18678906) that are relatively prime to 18678906.

Interesting facts

Basic properties

Name

Name eighteen million six hundred seventy-eight thousand nine hundred six

Notation

Scientific notation 1.8678906 × 10^7
Engineering notation 1.8678906 × 10^6

Prime Factorization of 18678906

Prime Factorization 2 × 9 × 127 × 8171

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18678906
Product of the distinct prime numbers

The prime factorization of 18678906 is 2 × 9 × 127 × 8171. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 4, 63, 67, 423, 134, 703, 3274, 83545, 26371, 163011, 873258, 6916231, 1298537, 34485978, 73472906, 826381428, 244692650, 7895433400, 7401035363

Basic calculations (n = 18678906)

Multiplication

n×y
n×2 37357812
n×3 56036718
n×4 74715624
n×5 93394530

Division

n÷y
n÷2 9339453
n÷3 6226302
n÷3 4669726.5
n÷5 3735781.2

Exponentiation

ny
n2 348901529356836
n3 6.5170988701126E+21
n4 1.2173227718754E+29
n5 2.273825762752E+36

Nth Root

y√n
2√n 4321.9099944353
3√n 265.32844524943
4√n 65.741235114921
5√n 28.462319359276

Divisors of 18678906

1, 2, 9, 18, 127, 254, 1143, 2286, 8171, 16342, 73539, 147078, 1037717, 2075434, 9339453, 18678906

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18678905
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18678906 can be divided by 16 positive divisors. The sum of these divisors (counting 18678906) is 1, the average is 0.0625.

Base conversion 18678906

Base System Value
2 Binary 1000111010000010001111010
3 Ternary 1022010222122100
4 Quaternary 1013100101322
5 Quinary 14240211111
6 Senary 1504204230
8 Octal 107202172
10 Decimal 18678906
12 Duodecimal 6309676
16 Hexadecimal 11d047a
20 Vigesimal 5geh56
36 Base36 b4cqi

Cryptographic Hash Functions

md5 20b1562a7d192a246fe60cd802737b8e
sha1 4f420ff09125532e3e0dfa52abbf2ffb0695416e
sha256 7a95dbd3a5b8ff9fcf4f307fad516b13a4c6fadb733939cfd155ccae058ac6f0
sha512 e122d8dc5cc1b6ceee8048786f9ba179dc1b6a344c5c9dda397cadc74a7e5c0b3f305a2195022e073c22afe28026b430b709244e63c53159016ff37fba0d4fb8
ripemd-160 fcdcb99fe6fd114a6ac900a09fb7084dc93b8b58

18678906 as geometric shapes

Circle

Radius = n
Diameter 37357812
Circumference 117363027.73339
Area 1.0961064814537E+15

Sphere

Radius = n
Volume 2.7298759910752E+22
Surface area 4.3844259258147E+15
Circumference 117363027.73339

Square

Length = n
Perimeter 74715624
Area 348901529356836
Diagonal 26415962.195492

Cube

Length = n
Surface area 2093409176141016
Volume 6.5170988701126E+21
Space diagonal 32352814.221803

Equilateral Triangle

Length = n
Perimeter 56036718
Area 1.5107879392113E+14
Altitude 16176407.110902

Triangular Pyramid

Length = n
Surface area 1.5107879392113E+14
Volume 7.680474674533E+20
Height 8805320.7318307