18494890 (number)

18494890 is an even 8-digits composite number following 18494889 and preceding 18494891. In scientific notation, it is written as 1.8494890 × 10^7. The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors. There are 7308496 positive integers (up to 18494890) that are relatively prime to 18494890.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8494890 × 10^7
Engineering notation 1.8494890 × 10^6

Prime Factorization of 18494890

Prime Factorization 2 × 5 × 83 × 22283

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18494890
Product of the distinct prime numbers

The prime factorization of 18494890 is 2 × 5 × 83 × 22283. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 4, 13, 78, 292, 565, 8789, 7427, 39020, 54474, 428209, 856256, 7083055, 278703, 71899996, 10995918, 563262836, 105634854, 3002454500, 5550308763

Basic calculations (n = 18494890)

Multiplication

n×y
n×2 36989780
n×3 55484670
n×4 73979560
n×5 92474450

Division

n÷y
n÷2 9247445
n÷3 6164963.3333333
n÷3 4623722.5
n÷5 3698978

Exponentiation

ny
n2 342060956112100
n3 6.3263797565881E+21
n4 1.1700569769632E+29
n5 2.1640075082668E+36

Nth Root

y√n
2√n 4300.5685670618
3√n 264.45427029741
4√n 65.578720382925
5√n 28.406017517321

Divisors of 18494890

1, 2, 5, 10, 83, 166, 415, 830, 22283, 44566, 111415, 222830, 1849489, 3698978, 9247445, 18494890

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 -18494889
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 18494890 can be divided by 16 positive divisors. The sum of these divisors (counting 18494890) is 1, the average is 0.0625.

Base conversion 18494890

Base System Value
2 Binary 1000110100011010110101010
3 Ternary 1021210122012221
4 Quaternary 1012203112222
5 Quinary 14213314030
6 Senary 1500224254
8 Octal 106432652
10 Decimal 18494890
12 Duodecimal 623b08a
16 Hexadecimal 11a35aa
20 Vigesimal 5fbh4a
36 Base36 b0eqy

Cryptographic Hash Functions

md5 5d534cdbad407ab950a042feaa383d3a
sha1 a18477d1ecf995e56cbde59818d6e2f6567d15ea
sha256 ffa19dfeb868dda2ce79f168b06f1b4d5ac500f53bd4915f34333d61d26daa71
sha512 87fedfed27c994ee32655bfe17e2df534fe005b6711baeb974a256d01f11880e5f4363245d2991cc712cf78a5550ce5bc304cc4e3b2d04ceb991af745cb6f7d5
ripemd-160 07606e2d67289f2f7fdbcbc4fc7b23f3fcad2245

18494890 as geometric shapes

Circle

Radius = n
Diameter 36989780
Circumference 116206821.1059
Area 1.0746161868017E+15

Sphere

Radius = n
Volume 2.6499877556155E+22
Surface area 4.2984647472067E+15
Circumference 116206821.1059

Square

Length = n
Perimeter 73979560
Area 342060956112100
Diagonal 26155724.272599

Cube

Length = n
Surface area 2052365736672600
Volume 6.3263797565881E+21
Space diagonal 32034089.160398

Equilateral Triangle

Length = n
Perimeter 55484670
Area 1.4811673881794E+14
Altitude 16017044.580199

Triangular Pyramid

Length = n
Surface area 1.4811673881794E+14
Volume 7.4557100437413E+20
Height 8718574.7575328