18000000 (number)

18000000 is an even 8-digits composite number following 17999999 and preceding 18000001. In scientific notation, it is written as 1.8000000 × 10^7. The sum of its digits is 9. It has a total of 13 prime factors and 152 positive divisors. There are 4800000 positive integers (up to 18000000) that are relatively prime to 18000000.

Interesting facts

Basic properties

Name

Name eighteen million

Notation

Scientific notation 1.8000000 × 10^7
Engineering notation 1.8000000 × 10^6

Prime Factorization of 18000000

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 15 × 3 × 5 × 5 × 25 × 5

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 13
Total number of prime factors
rad Radical 11250
Product of the distinct prime numbers

The prime factorization of 18000000 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 15 × 3 × 5 × 5 × 25 × 5. Since it has a total of 13 prime factors.

Most popular turbo-numbers

4, 10, 26, 31, 128, 107, 2786, 2613, 84801, 45625, 569928, 480557, 7245158, 8596005, 96904835, 43036614, 822916132, 512128974, 2176470276, 3710102486

Basic calculations (n = 18000000)

Multiplication

n×y
n×2 36000000
n×3 54000000
n×4 72000000
n×5 90000000

Division

n÷y
n÷2 9000000
n÷3 6000000
n÷3 4500000
n÷5 3600000

Exponentiation

ny
n2 324000000000000
n3 5.832E+21
n4 1.04976E+29
n5 1.889568E+36

Nth Root

y√n
2√n 4242.6406871193
3√n 262.07413942089
4√n 65.135556243263
5√n 28.252345004948

Divisors of 18000000

1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 45, 48, 50, 60, 64, 75, 80, 90, 96, 100, 120, 125, 128, 150, 160, 180, 192, 200, 225, 240, 250, 300, 320, 360, 375, 384, 400, 450, 480, 500, 600, 625, 640, 720, 750, 800, 900, 960, 1000, 1125, 1200, 1250, 1440, 1500, 1600, 1800, 1875, 1920, 2000, 2250, 2400, 2500, 2880, 3000, 3125, 3200, 3600, 3750, 4000, 4500, 4800, 5000, 5625, 5760, 6000, 6250, 7200, 7500, 8000, 9000, 9375, 9600, 10000, 11250, 12000, 12500, 14400, 15000, 16000, 18000, 18750, 20000, 22500, 24000, 25000, 28125, 28800, 30000, 36000, 37500, 40000, 45000, 46875, 48000, 50000, 56250, 60000, 72000, 75000, 80000, 90000, 93750, 100000, 112500, 120000, 140625, 144000, 150000, 180000, 187500, 200000, 225000, 240000, 281250, 300000, 360000, 375000, 400000, 450000, 562500, 600000, 720000, 750000, 900000, 1125000, 1200000, 1500000, 1800000, 2250000, 3000000, 3600000, 4500000, 6000000, 9000000, 18000000

152 divisors

τ Total Divisors 152
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -17999999
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0065789473684211
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 152
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18000000 can be divided by 152 positive divisors. The sum of these divisors (counting 18000000) is 1, the average is 0.0065789473684211.

Base conversion 18000000

Base System Value
2 Binary 1000100101010100010000000
3 Ternary 1020212111100200
4 Quaternary 1010222202000
5 Quinary 14102000000
6 Senary 1441445200
8 Octal 104524200
10 Decimal 18000000
12 Duodecimal 6040800
16 Hexadecimal 112a880
20 Vigesimal 5ca000
36 Base36 apsw0

Cryptographic Hash Functions

md5 45c47876e2a209af8e453438f6058413
sha1 3dc5addc7a00a55239dc1d89198a70fbd83c5f67
sha256 1cdb22281825a622d4c0aa43b99afd2ac3761cc7e77a79decdcdf3b5e24dcaa5
sha512 911b66472444f9e71e92f1052eb81853388e9f1a607f250bfa004497ff1728430d49557289beea923d4a8f8b4e7b05038da4b9a83d640f16e03efac9b047c1a0
ripemd-160 9a1ad8c136a566937450fd81a0e138cd738d68d1

18000000 as geometric shapes

Circle

Radius = n
Diameter 36000000
Circumference 113097335.52923
Area 1.0178760197631E+15

Sphere

Radius = n
Volume 2.4429024474314E+22
Surface area 4.0715040790524E+15
Circumference 113097335.52923

Square

Length = n
Perimeter 72000000
Area 324000000000000
Diagonal 25455844.122716

Cube

Length = n
Surface area 1944000000000000
Volume 5.832E+21
Space diagonal 31176914.53624

Equilateral Triangle

Length = n
Perimeter 54000000
Area 1.4029611541308E+14
Altitude 15588457.26812

Triangular Pyramid

Length = n
Surface area 1.4029611541308E+14
Volume 6.8730779131332E+20
Height 8485281.3742386