18180828 (number)

18180828 is an even 8-digits composite number following 18180827 and preceding 18180829. In scientific notation, it is written as 1.8180828 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors. There are 5972400 positive integers (up to 18180828) that are relatively prime to 18180828.

Interesting facts

Basic properties

Name

Name eighteen million one hundred eighty thousand eight hundred twenty-eight

Notation

Scientific notation 1.8180828 × 10^7
Engineering notation 1.8180828 × 10^6

Prime Factorization of 18180828

Prime Factorization 2 × 2 × 27 × 71 × 2371

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 9090414
Product of the distinct prime numbers

The prime factorization of 18180828 is 2 × 2 × 27 × 71 × 2371. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 6, 92, 94, 840, 818, 2328, 7044, 695, 37562, 804739, 238945, 1358195, 9837781, 7742203, 56834035, 907157999, 216720788, 7280916001, 594659608

Basic calculations (n = 18180828)

Multiplication

n×y
n×2 36361656
n×3 54542484
n×4 72723312
n×5 90904140

Division

n÷y
n÷2 9090414
n÷3 6060276
n÷3 4545207
n÷5 3636165.6

Exponentiation

ny
n2 330542506765584
n3 6.0095364621939E+21
n4 1.0925834877888E+29
n5 1.9864072467128E+36

Nth Root

y√n
2√n 4263.8982164212
3√n 262.94881586211
4√n 65.298531502793
5√n 28.308882878934

Divisors of 18180828

1, 2, 4, 27, 54, 71, 108, 142, 284, 1917, 2371, 3834, 4742, 7668, 9484, 64017, 128034, 168341, 256068, 336682, 673364, 4545207, 9090414, 18180828

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 -18180827
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 18180828 can be divided by 24 positive divisors. The sum of these divisors (counting 18180828) is 1, the average is 0.041666666666667.

Base conversion 18180828

Base System Value
2 Binary 1000101010110101011011100
3 Ternary 1021012200102000
4 Quaternary 1011112223130
5 Quinary 14123241303
6 Senary 1445402300
8 Octal 105265334
10 Decimal 18180828
12 Duodecimal 6109390
16 Hexadecimal 1156adc
20 Vigesimal 5dcc18
36 Base36 atof0

Cryptographic Hash Functions

md5 2677569bf2569cfa6a86c353fdb4c022
sha1 727fd4af912abfe149f2853ef0e93d711c3fb26e
sha256 520048c9972b3c0d9e1d9fb2f6838747ab9688b873ba88415389ddd0b8f40c3a
sha512 20257c59caa328f04489512c0fb3bb4d7b7fdcba04f91e6ff7095ead8f2f3ad7dd90e945fa58741d0a114c572cfd496a6b2d9b19e6690d811501eb4aa1fd3210
ripemd-160 0de29c860813bd63aab5e9f297d9c74737ec473f

18180828 as geometric shapes

Circle

Radius = n
Diameter 36361656
Circumference 114233511.36196
Area 1.0384299109539E+15

Sphere

Radius = n
Volume 2.5172687468145E+22
Surface area 4.1537196438157E+15
Circumference 114233511.36196

Square

Length = n
Perimeter 72723312
Area 330542506765584
Diagonal 25711573.532773

Cube

Length = n
Surface area 1983255040593504
Volume 6.0095364621939E+21
Space diagonal 31490117.819671

Equilateral Triangle

Length = n
Perimeter 54542484
Area 1.4312910394479E+14
Altitude 15745058.909835

Triangular Pyramid

Length = n
Surface area 1.4312910394479E+14
Volume 7.0823066403419E+20
Height 8570524.5109242