18408971 (number)

18408971 is an odd 8-digits composite number following 18408970 and preceding 18408972. In scientific notation, it is written as 1.8408971 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 15779112 positive integers (up to 18408971) that are relatively prime to 18408971.

Interesting facts

Basic properties

Name

Name eighteen million four hundred eight thousand nine hundred seventy-one

Notation

Scientific notation 1.8408971 × 10^7
Engineering notation 1.8408971 × 10^6

Prime Factorization of 18408971

Prime Factorization 7 × 2629853

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18408971
Product of the distinct prime numbers

The prime factorization of 18408971 is 7 × 2629853. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18408971)

Multiplication

n×y
n×2 36817942
n×3 55226913
n×4 73635884
n×5 92044855

Division

n÷y
n÷2 9204485.5
n÷3 6136323.6666667
n÷3 4602242.75
n÷5 3681794.2

Exponentiation

ny
n2 338890213278841
n3 6.238620108434E+21
n4 1.1484657665618E+29
n5 2.1142072991129E+36

Nth Root

y√n
2√n 4290.5676780585
3√n 264.04412236982
4√n 65.502424978458
5√n 28.379576002854

Divisors of 18408971

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18408970
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18408971 can be divided by 4 positive divisors. The sum of these divisors (counting 18408971) is 1, the average is 0.25.

Base conversion 18408971

Base System Value
2 Binary 1000110001110011000001011
3 Ternary 1021122021100202
4 Quaternary 1012032120023
5 Quinary 14203041341
6 Senary 1454322415
8 Octal 106163013
10 Decimal 18408971
12 Duodecimal 61b940b
16 Hexadecimal 118e60b
20 Vigesimal 5f128b
36 Base36 aykgb

Cryptographic Hash Functions

md5 fb8fc4ffde714fb6b710cd9c5460cd61
sha1 1087b25182f2c810e10d173364b9c6b9ce3f27a9
sha256 555dd736f363f622274bced69869523775cdcb6567e977dc9130cba3bb42741a
sha512 024e35859ed0bedd19630d04ec0ff5897e3ccb890464234735179a2be839fb5ac8c7b36b20d6bacadbcffb47682ad64e936e07550f838bb3d734b6a92a551877
ripemd-160 894497c9cbd913f3304086d30af80085a610c49b

18408971 as geometric shapes

Circle

Radius = n
Diameter 36817942
Circumference 115666976.1075
Area 1.0646550044103E+15

Sphere

Radius = n
Volume 2.6132270801592E+22
Surface area 4.2586200176411E+15
Circumference 115666976.1075

Square

Length = n
Perimeter 73635884
Area 338890213278841
Diagonal 26034216.457533

Cube

Length = n
Surface area 2033341279673046
Volume 6.238620108434E+21
Space diagonal 31885273.087062

Equilateral Triangle

Length = n
Perimeter 55226913
Area 1.467437668967E+14
Altitude 15942636.543531

Triangular Pyramid

Length = n
Surface area 1.467437668967E+14
Volume 7.3522843065341E+20
Height 8678072.152511