18679938 (number)

18679938 is an even 8-digits composite number following 18679937 and preceding 18679939. In scientific notation, it is written as 1.8679938 × 10^7. The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors. There are 6219536 positive integers (up to 18679938) that are relatively prime to 18679938.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8679938 × 10^7
Engineering notation 1.8679938 × 10^6

Prime Factorization of 18679938

Prime Factorization 2 × 3 × 1559 × 1997

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18679938
Product of the distinct prime numbers

The prime factorization of 18679938 is 2 × 3 × 1559 × 1997. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 9, 30, 57, 421, 194, 3110, 9057, 91041, 75309, 477026, 430720, 5306899, 2298218, 51078083, 75237802, 625960345, 115818886, 1279145854, 1273944916

Basic calculations (n = 18679938)

Multiplication

n×y
n×2 37359876
n×3 56039814
n×4 74719752
n×5 93399690

Division

n÷y
n÷2 9339969
n÷3 6226646
n÷3 4669984.5
n÷5 3735987.6

Exponentiation

ny
n2 348940083683844
n3 6.518179128929E+21
n4 1.2175918200129E+29
n5 2.2744539707148E+36

Nth Root

y√n
2√n 4322.0293844443
3√n 265.33333157973
4√n 65.74214313851
5√n 28.462633858043

Divisors of 18679938

1, 2, 3, 6, 1559, 1997, 3118, 3994, 4677, 5991, 9354, 11982, 3113323, 6226646, 9339969, 18679938

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 -18679937
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 18679938 can be divided by 16 positive divisors. The sum of these divisors (counting 18679938) is 1, the average is 0.0625.

Base conversion 18679938

Base System Value
2 Binary 1000111010000100010000010
3 Ternary 1022011001001120
4 Quaternary 1013100202002
5 Quinary 14240224223
6 Senary 1504213110
8 Octal 107204202
10 Decimal 18679938
12 Duodecimal 630a196
16 Hexadecimal 11d0882
20 Vigesimal 5gejgi
36 Base36 b4dj6

Cryptographic Hash Functions

md5 fb7e9b28fdc0a898c0acf01bfb7e1b9a
sha1 2fa201918595073a86f08a4aabffcb9ac5856053
sha256 fed8076d11522c5c0b9f9ac9610da887a6cc11d7992ddf299cbd45790278be29
sha512 ade6ef935a3266e59bd68b43ebe441f23fc5499c37a2ddacaf1ac201d1858d3ebb9ec0864afd1ad404b1529d9cb4035ae4e7fdc4efb8200b551374f291fdbe63
ripemd-160 e4ffcde1a0a2a4d72ce7a5ac3d95cb8ec1b586f5

18679938 as geometric shapes

Circle

Radius = n
Diameter 37359876
Circumference 117369511.98063
Area 1.0962276034442E+15

Sphere

Radius = n
Volume 2.7303284888301E+22
Surface area 4.3849104137767E+15
Circumference 117369511.98063

Square

Length = n
Perimeter 74719752
Area 348940083683844
Diagonal 26417421.663889

Cube

Length = n
Surface area 2093640502103064
Volume 6.518179128929E+21
Space diagonal 32354601.698237

Equilateral Triangle

Length = n
Perimeter 56039814
Area 1.5109548843444E+14
Altitude 16177300.849118

Triangular Pyramid

Length = n
Surface area 1.5109548843444E+14
Volume 7.6817477717572E+20
Height 8805807.2212962