18442971 (number)

18442971 is an odd 8-digits composite number following 18442970 and preceding 18442972. In scientific notation, it is written as 1.8442971 × 10^7. The sum of its digits is 36. It has a total of 6 prime factors and 20 positive divisors. There are 12282192 positive integers (up to 18442971) that are relatively prime to 18442971.

Interesting facts

Basic properties

Name

Name eighteen million four hundred forty-two thousand nine hundred seventy-one

Notation

Scientific notation 1.8442971 × 10^7
Engineering notation 1.8442971 × 10^6

Prime Factorization of 18442971

Prime Factorization 9 × 9 × 3 × 27 × 3 × 937

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 683073
Product of the distinct prime numbers

The prime factorization of 18442971 is 9 × 9 × 3 × 27 × 3 × 937. Since it has a total of 6 prime factors.

Most popular turbo-numbers

5, 4, 68, 60, 385, 98, 9588, 5888, 28430, 43635, 461840, 563314, 2247587, 9324790, 6158517, 17887618, 538007448, 317878921, 9429107358, 3304489180

Basic calculations (n = 18442971)

Multiplication

n×y
n×2 36885942
n×3 55328913
n×4 73771884
n×5 92214855

Division

n÷y
n÷2 9221485.5
n÷3 6147657
n÷3 4610742.75
n÷5 3688594.2

Exponentiation

ny
n2 340143179306841
n3 6.2732507918039E+21
n4 1.1569738242897E+29
n5 2.1338034689133E+36

Nth Root

y√n
2√n 4294.5280299469
3√n 264.20657901301
4√n 65.532648580284
5√n 28.390051260048

Divisors of 18442971

1, 3, 9, 27, 81, 243, 729, 937, 2187, 2811, 6561, 8433, 19683, 25299, 75897, 227691, 683073, 2049219, 6147657, 18442971

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18442970
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18442971 can be divided by 20 positive divisors. The sum of these divisors (counting 18442971) is 1, the average is 0.05.

Base conversion 18442971

Base System Value
2 Binary 1000110010110101011011011
3 Ternary 1021201000000000
4 Quaternary 1012112223123
5 Quinary 14210133341
6 Senary 1455144043
8 Octal 106265333
10 Decimal 18442971
12 Duodecimal 6215023
16 Hexadecimal 1196adb
20 Vigesimal 5f578b
36 Base36 azaor

Cryptographic Hash Functions

md5 e6b0655274479787eb5850eed9cdf1e6
sha1 7da39a46962f88fe383f7bf82061b477bd31096c
sha256 b1aa511d28aced38d29dc4d509e7ba2158910f706d160aa5543ffaee7022e758
sha512 b2f67e53c63800f9248a943e22f3631c217f3760de3021edcc0bd716a5c09427d8a8f7a03b6d975e63729983c77b50030b89b81086af1f141a3e34e0d96092a1
ripemd-160 6c7834a66278ddb4d4ec5509693a543ce6637739

18442971 as geometric shapes

Circle

Radius = n
Diameter 36885942
Circumference 115880604.40794
Area 1.068591313279E+15

Sphere

Radius = n
Volume 2.6277331468877E+22
Surface area 4.2743652531162E+15
Circumference 115880604.40794

Square

Length = n
Perimeter 73771884
Area 340143179306841
Diagonal 26082299.718654

Cube

Length = n
Surface area 2040859075841046
Volume 6.2732507918039E+21
Space diagonal 31944162.814519

Equilateral Triangle

Length = n
Perimeter 55328913
Area 1.4728631710186E+14
Altitude 15972081.40726

Triangular Pyramid

Length = n
Surface area 1.4728631710186E+14
Volume 7.3930969582807E+20
Height 8694099.9062179