18679940 (number)

18679940 is an even 8-digits composite number following 18679939 and preceding 18679941. In scientific notation, it is written as 1.8679940 × 10^7. The sum of its digits is 44. It has a total of 5 prime factors and 24 positive divisors. There are 7032320 positive integers (up to 18679940) that are relatively prime to 18679940.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8679940 × 10^7
Engineering notation 1.8679940 × 10^6

Prime Factorization of 18679940

Prime Factorization 2 × 2 × 5 × 17 × 54941

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 9339970
Product of the distinct prime numbers

The prime factorization of 18679940 is 2 × 2 × 5 × 17 × 54941. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 8, 20, 47, 456, 622, 3699, 795, 13292, 89904, 994986, 674082, 2545697, 7104618, 30473304, 33029727, 197774361, 19871770, 2645500933, 8722050376

Basic calculations (n = 18679940)

Multiplication

n×y
n×2 37359880
n×3 56039820
n×4 74719760
n×5 93399700

Division

n÷y
n÷2 9339970
n÷3 6226646.6666667
n÷3 4669985
n÷5 3735988

Exponentiation

ny
n2 348940158403600
n3 6.5181812225697E+21
n4 1.2175923414673E+29
n5 2.2744551883069E+36

Nth Root

y√n
2√n 4322.0296158171
3√n 265.33334104919
4√n 65.742144898209
5√n 28.462634467523

Divisors of 18679940

1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 54941, 109882, 219764, 274705, 549410, 933997, 1098820, 1867994, 3735988, 4669985, 9339970, 18679940

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18679939
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18679940 can be divided by 24 positive divisors. The sum of these divisors (counting 18679940) is 1, the average is 0.041666666666667.

Base conversion 18679940

Base System Value
2 Binary 1000111010000100010000100
3 Ternary 1022011001001122
4 Quaternary 1013100202010
5 Quinary 14240224230
6 Senary 1504213112
8 Octal 107204204
10 Decimal 18679940
12 Duodecimal 630a198
16 Hexadecimal 11d0884
20 Vigesimal 5gejh0
36 Base36 b4dj8

Cryptographic Hash Functions

md5 723f97501f3974fe4504b9d3aa12ce8e
sha1 013f0dcdc13b3fbbc90a7b081603a21c46263391
sha256 a3add925d8b8abe4884e17ee180abb2d2831468c70a454122ecd39c272043b81
sha512 1ff7dfa83683161b57907adb65379570614c4fa57f0c97bccd115fedece8f0b2b05452c9ebd05754c0b8fc0945e550ab2802cbee0269723ef08937bae476de89
ripemd-160 585de5ee8c4522943800a6dd58a9c7595a9ae526

18679940 as geometric shapes

Circle

Radius = n
Diameter 37359880
Circumference 117369524.547
Area 1.0962278381832E+15

Sphere

Radius = n
Volume 2.7303293658123E+22
Surface area 4.3849113527328E+15
Circumference 117369524.547

Square

Length = n
Perimeter 74719760
Area 348940158403600
Diagonal 26417424.492316

Cube

Length = n
Surface area 2093640950421600
Volume 6.5181812225697E+21
Space diagonal 32354605.162338

Equilateral Triangle

Length = n
Perimeter 56039820
Area 1.5109552078904E+14
Altitude 16177302.581169

Triangular Pyramid

Length = n
Surface area 1.5109552078904E+14
Volume 7.6817502391365E+20
Height 8805808.1641052