18187420 (number)

18187420 is an even 8-digits composite number following 18187419 and preceding 18187421. In scientific notation, it is written as 1.8187420 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors. There are 7274960 positive integers (up to 18187420) that are relatively prime to 18187420.

Interesting facts

Basic properties

Name

Name eighteen million one hundred eighty-seven thousand four hundred twenty

Notation

Scientific notation 1.8187420 × 10^7
Engineering notation 1.8187420 × 10^6

Prime Factorization of 18187420

Prime Factorization 2 × 2 × 5 × 909371

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9093710
Product of the distinct prime numbers

The prime factorization of 18187420 is 2 × 2 × 5 × 909371. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 5, 92, 41, 355, 746, 4533, 9386, 10789, 76891, 799922, 8216, 4877834, 256460, 26645077, 45295921, 764508640, 425835846, 4271476361, 1213510144

Basic calculations (n = 18187420)

Multiplication

n×y
n×2 36374840
n×3 54562260
n×4 72749680
n×5 90937100

Division

n÷y
n÷2 9093710
n÷3 6062473.3333333
n÷3 4546855
n÷5 3637484

Exponentiation

ny
n2 330782246256400
n3 6.0160756412086E+21
n4 1.0941689443843E+29
n5 1.9900110142474E+36

Nth Root

y√n
2√n 4264.6711479316
3√n 262.98059199359
4√n 65.304449679418
5√n 28.310935426784

Divisors of 18187420

1, 2, 4, 5, 10, 20, 909371, 1818742, 3637484, 4546855, 9093710, 18187420

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18187419
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18187420 can be divided by 12 positive divisors. The sum of these divisors (counting 18187420) is 1, the average is 0.083333333333333.

Base conversion 18187420

Base System Value
2 Binary 1000101011000010010011100
3 Ternary 1021020000110011
4 Quaternary 1011120102130
5 Quinary 14123444140
6 Senary 1445453004
8 Octal 105302234
10 Decimal 18187420
12 Duodecimal 6111164
16 Hexadecimal 115849c
20 Vigesimal 5dd8b0
36 Base36 atti4

Cryptographic Hash Functions

md5 461f8d5f553c290932b6f9544c0f15ed
sha1 0b511f6e42f2cc637ba1b2e6cccae1c6ef15219d
sha256 f620f138d72e3d5baaa61f65904ad9dfb85b161f8ac4395b5851dd8034314ae6
sha512 0fee7a6d5468c20284177f91a8c7cc1e2bb9f4c992674b4d927b0e349f11806b95e6a117fead91b133e863fa081fc78071b36d91b20aed910bc430387de3fa94
ripemd-160 33f95807338168ddb4025a200e28dfcb3079ad3b

18187420 as geometric shapes

Circle

Radius = n
Diameter 36374840
Circumference 114274930.1195
Area 1.039183074777E+15

Sphere

Radius = n
Volume 2.5200078717148E+22
Surface area 4.1567322991081E+15
Circumference 114274930.1195

Square

Length = n
Perimeter 72749680
Area 330782246256400
Diagonal 25720896.028576

Cube

Length = n
Surface area 1984693477538400
Volume 6.0160756412086E+21
Space diagonal 31501535.498594

Equilateral Triangle

Length = n
Perimeter 54562260
Area 1.4323291418946E+14
Altitude 15750767.749297

Triangular Pyramid

Length = n
Surface area 1.4323291418946E+14
Volume 7.0900131367163E+20
Height 8573632.0095252