18442938 (number)

18442938 is an even 8-digits composite number following 18442937 and preceding 18442939. In scientific notation, it is written as 1.8442938 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 6139056 positive integers (up to 18442938) that are relatively prime to 18442938.

Interesting facts

Basic properties

Name

Name eighteen million four hundred forty-two thousand nine hundred thirty-eight

Notation

Scientific notation 1.8442938 × 10^7
Engineering notation 1.8442938 × 10^6

Prime Factorization of 18442938

Prime Factorization 2 × 3 × 3389 × 907

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18442938
Product of the distinct prime numbers

The prime factorization of 18442938 is 2 × 3 × 3389 × 907. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 4, 69, 78, 709, 82, 2494, 5483, 20445, 47812, 154828, 296869, 2276679, 2930804, 87043777, 43676829, 541731625, 899797443, 9517955569, 6333593963

Basic calculations (n = 18442938)

Multiplication

n×y
n×2 36885876
n×3 55328814
n×4 73771752
n×5 92214690

Division

n÷y
n÷2 9221469
n÷3 6147646
n÷3 4610734.5
n÷5 3688587.6

Exponentiation

ny
n2 340141962071844
n3 6.2732171176894E+21
n4 1.1569655436208E+29
n5 2.1337843789135E+36

Nth Root

y√n
2√n 4294.5241878467
3√n 264.20642143134
4√n 65.532619265879
5√n 28.390041100379

Divisors of 18442938

1, 2, 3, 6, 907, 1814, 2721, 3389, 5442, 6778, 10167, 20334, 3073823, 6147646, 9221469, 18442938

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 -18442937
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 18442938 can be divided by 16 positive divisors. The sum of these divisors (counting 18442938) is 1, the average is 0.0625.

Base conversion 18442938

Base System Value
2 Binary 1000110010110101010111010
3 Ternary 1021200222221210
4 Quaternary 1012112222322
5 Quinary 14210133223
6 Senary 1455143550
8 Octal 106265272
10 Decimal 18442938
12 Duodecimal 6214bb6
16 Hexadecimal 1196aba
20 Vigesimal 5f576i
36 Base36 azanu

Cryptographic Hash Functions

md5 b5d00142bcb02ca9d59b9e87adedf4d7
sha1 65b69b377278de261879a911ff5d6b48dbc68e37
sha256 8aa42d431f3177550c00f73f5024028fc0b933aaa54f5812750ec2cc9d601663
sha512 ba8831b9dfbe57c0999fbc0d8015a868cd20a58204a66fe0f80819fbdcecd1a1fb89294dbbe3d9ba4c35fff9fe516b3523c6d357288ef48da65e71554e07c39c
ripemd-160 8a9d6f734b90bf692172fb9b26e994f4f4d75a8f

18442938 as geometric shapes

Circle

Radius = n
Diameter 36885876
Circumference 115880397.06282
Area 1.0685874892225E+15

Sphere

Radius = n
Volume 2.6277190415076E+22
Surface area 4.2743499568901E+15
Circumference 115880397.06282

Square

Length = n
Perimeter 73771752
Area 340141962071844
Diagonal 26082253.049606

Cube

Length = n
Surface area 2040851772431064
Volume 6.2732171176894E+21
Space diagonal 31944105.656843

Equilateral Triangle

Length = n
Perimeter 55328814
Area 1.4728579002365E+14
Altitude 15972052.828421

Triangular Pyramid

Length = n
Surface area 1.4728579002365E+14
Volume 7.3930572729561E+20
Height 8694084.3498687