18744986 (number)

18744986 is an even 8-digits composite number following 18744985 and preceding 18744987. In scientific notation, it is written as 1.8744986 × 10^7. The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors. There are 8651520 positive integers (up to 18744986) that are relatively prime to 18744986.

Interesting facts

Basic properties

Name

Name eighteen million seven hundred forty-four thousand nine hundred eighty-six

Notation

Scientific notation 1.8744986 × 10^7
Engineering notation 1.8744986 × 10^6

Prime Factorization of 18744986

Prime Factorization 2 × 13 × 720961

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18744986
Product of the distinct prime numbers

The prime factorization of 18744986 is 2 × 13 × 720961. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18744986)

Multiplication

n×y
n×2 37489972
n×3 56234958
n×4 74979944
n×5 93724930

Division

n÷y
n÷2 9372493
n÷3 6248328.6666667
n÷3 4686246.5
n÷5 3748997.2

Exponentiation

ny
n2 351374500140196
n3 6.586510085885E+21
n4 1.2346403934877E+29
n5 2.3143316890962E+36

Nth Root

y√n
2√n 4329.5480133612
3√n 265.64095942864
4√n 65.79930100967
5√n 28.482429040698

Divisors of 18744986

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18744985
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18744986 can be divided by 8 positive divisors. The sum of these divisors (counting 18744986) is 1, the average is 0.125.

Base conversion 18744986

Base System Value
2 Binary 1000111100000011010011010
3 Ternary 1022021100021202
4 Quaternary 1013200122122
5 Quinary 14244314421
6 Senary 1505434202
8 Octal 107403232
10 Decimal 18744986
12 Duodecimal 633b962
16 Hexadecimal 11e069a
20 Vigesimal 5h3296
36 Base36 b5rq2

Cryptographic Hash Functions

md5 e7f6ef53a5451a943762a8502e1d50b8
sha1 5d902752f952e460bfad2deb53833b92a715703c
sha256 93ebe2618c1df4e515a0f44df93556a03a71f45288ec6290546bc46b42dcb225
sha512 dae962657133b4684dff55c41d3da9ec863703803638ca8bfe2f812d208191fabd9dde0b31463a1c2efffd5daa04d10d90f35efe83d1b7221dc64bd9899df6d3
ripemd-160 84b6b3fa911a0ea7380b72670d03830e076d2c8b

18744986 as geometric shapes

Circle

Radius = n
Diameter 37489972
Circumference 117778220.61849
Area 1.1038755482992E+15

Sphere

Radius = n
Volume 2.7589508931482E+22
Surface area 4.4155021931969E+15
Circumference 117778220.61849

Square

Length = n
Perimeter 74979944
Area 351374500140196
Diagonal 26509413.427694

Cube

Length = n
Surface area 2108247000841176
Volume 6.586510085885E+21
Space diagonal 32467268.139167

Equilateral Triangle

Length = n
Perimeter 56234958
Area 1.5214962168173E+14
Altitude 16233634.069584

Triangular Pyramid

Length = n
Surface area 1.5214962168173E+14
Volume 7.7622765768048E+20
Height 8836471.1425646