18489780 (number)

18489780 is an even 8-digits composite number following 18489779 and preceding 18489781. In scientific notation, it is written as 1.8489780 × 10^7. The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors. There are 4888512 positive integers (up to 18489780) that are relatively prime to 18489780.

Interesting facts

Basic properties

Name

Name eighteen million four hundred eighty-nine thousand seven hundred eighty

Notation

Scientific notation 1.8489780 × 10^7
Engineering notation 1.8489780 × 10^6

Prime Factorization of 18489780

Prime Factorization 2 × 2 × 45 × 139 × 739

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 9244890
Product of the distinct prime numbers

The prime factorization of 18489780 is 2 × 2 × 45 × 139 × 739. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 5, 7, 73, 483, 85, 6724, 3181, 73445, 65629, 839613, 243770, 3684245, 4555655, 15086931, 99162989, 29616893, 539359981, 4468141637, 7769093826

Basic calculations (n = 18489780)

Multiplication

n×y
n×2 36979560
n×3 55469340
n×4 73959120
n×5 92448900

Division

n÷y
n÷2 9244890
n÷3 6163260
n÷3 4622445
n÷5 3697956

Exponentiation

ny
n2 341871964448400
n3 6.3211374108187E+21
n4 1.1687644007581E+29
n5 2.1610196641849E+36

Nth Root

y√n
2√n 4299.9744185286
3√n 264.42991247394
4√n 65.574190185839
5√n 28.404447669711

Divisors of 18489780

1, 2, 4, 45, 90, 139, 180, 278, 556, 739, 1478, 2956, 6255, 12510, 25020, 33255, 66510, 102721, 133020, 205442, 410884, 4622445, 9244890, 18489780

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18489779
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18489780 can be divided by 24 positive divisors. The sum of these divisors (counting 18489780) is 1, the average is 0.041666666666667.

Base conversion 18489780

Base System Value
2 Binary 1000110100010000110110100
3 Ternary 1021210101012200
4 Quaternary 1012202012310
5 Quinary 14213133110
6 Senary 1500144500
8 Octal 106420664
10 Decimal 18489780
12 Duodecimal 6238130
16 Hexadecimal 11a21b4
20 Vigesimal 5fb490
36 Base36 b0at0

Cryptographic Hash Functions

md5 6a6e84d8c24f5109088d6f006eba5126
sha1 0db6614874ea049ee91e3207ae94f374510727b9
sha256 b5a24b72c56588ddec1c1d3cfd80a9b6e0b2bf2066b0ffd9b5c223f254ccc058
sha512 c6d4311fc06a35e45b8313d400eed5be8228bab825bcf6bb884ad86fc60be18079a23fced683e254e2961c7e161dec44b0b77707d3686c3b30606d64da770154
ripemd-160 133abf3c3c21309cec66c180992ce57179fab630

18489780 as geometric shapes

Circle

Radius = n
Diameter 36979560
Circumference 116174714.02898
Area 1.0740224519794E+15

Sphere

Radius = n
Volume 2.6477918469546E+22
Surface area 4.2960898079176E+15
Circumference 116174714.02898

Square

Length = n
Perimeter 73959120
Area 341871964448400
Diagonal 26148497.641295

Cube

Length = n
Surface area 2051231786690400
Volume 6.3211374108187E+21
Space diagonal 32025238.380771

Equilateral Triangle

Length = n
Perimeter 55469340
Area 1.48034903027E+14
Altitude 16012619.190385

Triangular Pyramid

Length = n
Surface area 1.48034903027E+14
Volume 7.4495318800032E+20
Height 8716165.8804316