18642768 (number)

18642768 is an even 8-digits composite number following 18642767 and preceding 18642769. In scientific notation, it is written as 1.8642768 × 10^7. The sum of its digits is 42. It has a total of 6 prime factors and 20 positive divisors. There are 6214240 positive integers (up to 18642768) that are relatively prime to 18642768.

Interesting facts

Basic properties

Name

Name eighteen million six hundred forty-two thousand seven hundred sixty-eight

Notation

Scientific notation 1.8642768 × 10^7
Engineering notation 1.8642768 × 10^6

Prime Factorization of 18642768

Prime Factorization 2 × 2 × 2 × 2 × 3 × 388391

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2330346
Product of the distinct prime numbers

The prime factorization of 18642768 is 2 × 2 × 2 × 2 × 3 × 388391. Since it has a total of 6 prime factors.

Most popular turbo-numbers

1, 4, 64, 64, 248, 634, 5952, 9394, 60687, 59347, 115055, 931561, 4296213, 1936577, 76677060, 54942215, 301222551, 834594717, 7583774734, 3894851438

Basic calculations (n = 18642768)

Multiplication

n×y
n×2 37285536
n×3 55928304
n×4 74571072
n×5 93213840

Division

n÷y
n÷2 9321384
n÷3 6214256
n÷3 4660692
n÷5 3728553.6

Exponentiation

ny
n2 347552798701824
n3 6.4793461939488E+21
n4 1.2079294788547E+29
n5 2.2519149034649E+36

Nth Root

y√n
2√n 4317.7271798945
3√n 265.15722484391
4√n 65.709414697549
5√n 28.45129764086

Divisors of 18642768

1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 388391, 776782, 1165173, 1553564, 2330346, 3107128, 4660692, 6214256, 9321384, 18642768

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18642767
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18642768 can be divided by 20 positive divisors. The sum of these divisors (counting 18642768) is 1, the average is 0.05.

Base conversion 18642768

Base System Value
2 Binary 1000111000111011101010000
3 Ternary 1022002011001220
4 Quaternary 1013013131100
5 Quinary 14233032033
6 Senary 1503325040
8 Octal 107073520
10 Decimal 18642768
12 Duodecimal 62b0780
16 Hexadecimal 11c7750
20 Vigesimal 5ga6i8
36 Base36 b3kuo

Cryptographic Hash Functions

md5 b4a3e07adf4d3d4f1354000a1b09f307
sha1 ce4cc692d84452bbe5f3a6b9b97106369117f713
sha256 97bd624a5effe5f0ebd432efa977795ca367c680ae77df9449f8e88ce067acd0
sha512 f684207e4cf15654b6cd643e3e14902d3c739be9f02901b1b8d6c3c6196e1f861c78df7f0c0bded244808704fbaa71f2f21bcf233cbf9ca45aa34dd72b0ba204
ripemd-160 78f5a96d6a677a0dde7aa5c217b8cdac47c727e2

18642768 as geometric shapes

Circle

Radius = n
Diameter 37285536
Circumference 117135965.98276
Area 1.0918693191362E+15

Sphere

Radius = n
Volume 2.7140621870633E+22
Surface area 4.3674772765449E+15
Circumference 117135965.98276

Square

Length = n
Perimeter 74571072
Area 347552798701824
Diagonal 26364855.345775

Cube

Length = n
Surface area 2085316792210944
Volume 6.4793461939488E+21
Space diagonal 32290221.369719

Equilateral Triangle

Length = n
Perimeter 55928304
Area 1.5049477641608E+14
Altitude 16145110.68486

Triangular Pyramid

Length = n
Surface area 1.5049477641608E+14
Volume 7.6359827189941E+20
Height 8788285.1152584