18442890 (number)

18442890 is an even 8-digits composite number following 18442889 and preceding 18442891. In scientific notation, it is written as 1.8442890 × 10^7. The sum of its digits is 36. It has a total of 6 prime factors and 32 positive divisors. There are 4917888 positive integers (up to 18442890) that are relatively prime to 18442890.

Interesting facts

Basic properties

Name

Name eighteen million four hundred forty-two thousand eight hundred ninety

Notation

Scientific notation 1.8442890 × 10^7
Engineering notation 1.8442890 × 10^6

Prime Factorization of 18442890

Prime Factorization 2 × 15 × 3 × 3 × 3 × 22769

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2049210
Product of the distinct prime numbers

The prime factorization of 18442890 is 2 × 15 × 3 × 3 × 3 × 22769. Since it has a total of 6 prime factors.

Most popular turbo-numbers

10, 10, 87, 72, 101, 695, 4791, 3623, 1163, 86593, 314805, 430177, 747065, 2682213, 7323413, 19007187, 836793323, 753966919, 2686100366, 113375281

Basic calculations (n = 18442890)

Multiplication

n×y
n×2 36885780
n×3 55328670
n×4 73771560
n×5 92214450

Division

n÷y
n÷2 9221445
n÷3 6147630
n÷3 4610722.5
n÷5 3688578

Exponentiation

ny
n2 340140191552100
n3 6.2731681373743E+21
n4 1.156953499091E+29
n5 2.133756611885E+36

Nth Root

y√n
2√n 4294.518599331
3√n 264.20619222131
4√n 65.532576626675
5√n 28.390026322654

Divisors of 18442890

1, 2, 3, 6, 9, 15, 18, 27, 30, 45, 54, 90, 135, 270, 405, 810, 22769, 45538, 68307, 136614, 204921, 341535, 409842, 614763, 683070, 1024605, 1229526, 2049210, 3073815, 6147630, 9221445, 18442890

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18442889
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18442890 can be divided by 32 positive divisors. The sum of these divisors (counting 18442890) is 1, the average is 0.03125.

Base conversion 18442890

Base System Value
2 Binary 1000110010110101010001010
3 Ternary 1021200222220000
4 Quaternary 1012112222022
5 Quinary 14210133030
6 Senary 1455143430
8 Octal 106265212
10 Decimal 18442890
12 Duodecimal 6214b76
16 Hexadecimal 1196a8a
20 Vigesimal 5f574a
36 Base36 azami

Cryptographic Hash Functions

md5 de1de904b533e1ee47bd5d44dba3c37b
sha1 91cefa8a490285eea34acb6895887fb64f0979eb
sha256 b08904cfea22c9e247670e89d938ebc46f0df4578f0909720a22b01887e20fbb
sha512 f5d4f58089c710add66b56baa4dac3010a378a395bf474dd90ea81ac10aa7c694c25669c11f82ee862fab0c1ddce1f7527dac1ac67214d728110193ec1211232
ripemd-160 ab07838c83e6814089756d91cbda20e87b3e1a20

18442890 as geometric shapes

Circle

Radius = n
Diameter 36885780
Circumference 115880095.46993
Area 1.0685819269707E+15

Sphere

Radius = n
Volume 2.6276985246812E+22
Surface area 4.2743277078828E+15
Circumference 115880095.46993

Square

Length = n
Perimeter 73771560
Area 340140191552100
Diagonal 26082185.167355

Cube

Length = n
Surface area 2040841149312600
Volume 6.2731681373743E+21
Space diagonal 31944022.518404

Equilateral Triangle

Length = n
Perimeter 55328670
Area 1.4728502336611E+14
Altitude 15972011.259202

Triangular Pyramid

Length = n
Surface area 1.4728502336611E+14
Volume 7.3929995491013E+20
Height 8694061.7224517