18993864 (number)

18993864 is an even 8-digits composite number following 18993863 and preceding 18993865. In scientific notation, it is written as 1.8993864 × 10^7. The sum of its digits is 48. It has a total of 5 prime factors and 16 positive divisors. There are 6331280 positive integers (up to 18993864) that are relatively prime to 18993864.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8993864 × 10^7
Engineering notation 1.8993864 × 10^6

Prime Factorization of 18993864

Prime Factorization 2 × 2 × 2 × 3 × 791411

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 4748466
Product of the distinct prime numbers

The prime factorization of 18993864 is 2 × 2 × 2 × 3 × 791411. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 10, 13, 76, 761, 458, 8399, 4402, 79115, 96153, 975845, 172172, 1905350, 4472722, 87609256, 17050721, 975430107, 182137880, 4650908416, 5556448920

Basic calculations (n = 18993864)

Multiplication

n×y
n×2 37987728
n×3 56981592
n×4 75975456
n×5 94969320

Division

n÷y
n÷2 9496932
n÷3 6331288
n÷3 4748466
n÷5 3798772.8

Exponentiation

ny
n2 360766869650496
n3 6.8523568578472E+21
n4 1.3015273423742E+29
n5 2.4721033333337E+36

Nth Root

y√n
2√n 4358.1950392336
3√n 266.81143666973
4√n 66.016626990733
5√n 28.557663032227

Divisors of 18993864

1, 2, 3, 4, 6, 8, 12, 24, 791411, 1582822, 2374233, 3165644, 4748466, 6331288, 9496932, 18993864

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 -18993863
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 18993864 can be divided by 16 positive divisors. The sum of these divisors (counting 18993864) is 1, the average is 0.0625.

Base conversion 18993864

Base System Value
2 Binary 1001000011101001011001000
3 Ternary 1022201222200110
4 Quaternary 1020131023020
5 Quinary 14330300424
6 Senary 1515034320
8 Octal 110351310
10 Decimal 18993864
12 Duodecimal 643b9a0
16 Hexadecimal 121d2c8
20 Vigesimal 5ie4d4
36 Base36 bb3rc

Cryptographic Hash Functions

md5 59e494d65b3aae52c18e53f1b202f623
sha1 e9e234537a827c374d3191a86bbaae19795b2e55
sha256 dcba41f9732d68bd4cacabddd7f66087d6a69722373a947c279da43cfa639841
sha512 717b6137a84970e793ccc007d0f374579595d578a96eff6f4bc391a0324e99751cecf03b02f07766d6543d4cfc6e8d50ed70a4260006bfa137e0250bf104d825
ripemd-160 c2838034e63ee939a6af2a6d2b7cc9a487f016af

18993864 as geometric shapes

Circle

Radius = n
Diameter 37987728
Circumference 119341967.21137
Area 1.1333825473526E+15

Sphere

Radius = n
Volume 2.8703085285851E+22
Surface area 4.5335301894103E+15
Circumference 119341967.21137

Square

Length = n
Perimeter 75975456
Area 360766869650496
Diagonal 26861380.07067

Cube

Length = n
Surface area 2164601217902976
Volume 6.8523568578472E+21
Space diagonal 32898337.480053

Equilateral Triangle

Length = n
Perimeter 56981592
Area 1.5621663698056E+14
Altitude 16449168.740027

Triangular Pyramid

Length = n
Surface area 1.5621663698056E+14
Volume 8.0755800021566E+20
Height 8953793.35689