18742790 (number)

18742790 is an even 8-digits composite number following 18742789 and preceding 18742791. In scientific notation, it is written as 1.8742790 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors. There are 6815520 positive integers (up to 18742790) that are relatively prime to 18742790.

Interesting facts

Basic properties

Name

Name eighteen million seven hundred forty-two thousand seven hundred ninety

Notation

Scientific notation 1.8742790 × 10^7
Engineering notation 1.8742790 × 10^6

Prime Factorization of 18742790

Prime Factorization 2 × 5 × 11 × 170389

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18742790
Product of the distinct prime numbers

The prime factorization of 18742790 is 2 × 5 × 11 × 170389. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 9, 74, 97, 718, 835, 9515, 8557, 99002, 40614, 342955, 587391, 7294744, 1869466, 2124993, 28555957, 671764481, 260546977, 6829680975, 7023150641

Basic calculations (n = 18742790)

Multiplication

n×y
n×2 37485580
n×3 56228370
n×4 74971160
n×5 93713950

Division

n÷y
n÷2 9371395
n÷3 6247596.6666667
n÷3 4685697.5
n÷5 3748558

Exponentiation

ny
n2 351292176984100
n3 6.5841955018558E+21
n4 1.2340619361023E+29
n5 2.3129763715358E+36

Nth Root

y√n
2√n 4329.2943997839
3√n 265.63058562649
4√n 65.797373806132
5√n 28.481761658547

Divisors of 18742790

1, 2, 5, 10, 11, 22, 55, 110, 170389, 340778, 851945, 1703890, 1874279, 3748558, 9371395, 18742790

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 -18742789
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 18742790 can be divided by 16 positive divisors. The sum of these divisors (counting 18742790) is 1, the average is 0.0625.

Base conversion 18742790

Base System Value
2 Binary 1000111011111111000000110
3 Ternary 1022021020021102
4 Quaternary 1013133320012
5 Quinary 14244232130
6 Senary 1505420102
8 Octal 107377006
10 Decimal 18742790
12 Duodecimal 633a632
16 Hexadecimal 11dfe06
20 Vigesimal 5h2gja
36 Base36 b5q12

Cryptographic Hash Functions

md5 7152a21cc59766012a02aac33f07f858
sha1 b2d1d33332a96dad8bb04df30089398915714905
sha256 2e00e03c4e8a43f94d60ea7e97526af7c56bc1404ea0c363d3c0a02e4ec5932e
sha512 3b1f9139605f2cf949aee4c7f030f2ffc3f0262b019847b6e5704ab10d1b9e89f1fdf4f87b2728b0fc4d4eda0ef60b401b5f9ee8e616a94214aaaa1dc8027e91
ripemd-160 77dee271552c83b1e04c0ad675268a2466bf269b

18742790 as geometric shapes

Circle

Radius = n
Diameter 37485580
Circumference 117764422.74355
Area 1.1036169224768E+15

Sphere

Radius = n
Volume 2.7579813624572E+22
Surface area 4.4144676899073E+15
Circumference 117764422.74355

Square

Length = n
Perimeter 74971160
Area 351292176984100
Diagonal 26506307.814711

Cube

Length = n
Surface area 2107753061904600
Volume 6.5841955018558E+21
Space diagonal 32463464.555594

Equilateral Triangle

Length = n
Perimeter 56228370
Area 1.5211397470948E+14
Altitude 16231732.277797

Triangular Pyramid

Length = n
Surface area 1.5211397470948E+14
Volume 7.759548813367E+20
Height 8835435.9382369