18386986 (number)

18386986 is an even 8-digits composite number following 18386985 and preceding 18386987. In scientific notation, it is written as 1.8386986 × 10^7. The sum of its digits is 49. It has a total of 4 prime factors and 16 positive divisors. There are 8729280 positive integers (up to 18386986) that are relatively prime to 18386986.

Interesting facts

Basic properties

Name

Name eighteen million three hundred eighty-six thousand nine hundred eighty-six

Notation

Scientific notation 1.8386986 × 10^7
Engineering notation 1.8386986 × 10^6

Prime Factorization of 18386986

Prime Factorization 2 × 29 × 61 × 5197

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18386986
Product of the distinct prime numbers

The prime factorization of 18386986 is 2 × 29 × 61 × 5197. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 6, 30, 49, 177, 915, 6932, 2642, 2775, 98920, 170498, 11039, 1433015, 5750710, 63808302, 15494909, 875400797, 685708349, 1029269750, 4189168249

Basic calculations (n = 18386986)

Multiplication

n×y
n×2 36773972
n×3 55160958
n×4 73547944
n×5 91934930

Division

n÷y
n÷2 9193493
n÷3 6128995.3333333
n÷3 4596746.5
n÷5 3677397.2

Exponentiation

ny
n2 338081254164196
n3 6.2162952871795E+21
n4 1.1429893441724E+29
n5 2.1016129069446E+36

Nth Root

y√n
2√n 4288.0048973853
3√n 263.93896852116
4√n 65.482859569396
5√n 28.372794274073

Divisors of 18386986

1, 2, 29, 58, 61, 122, 1769, 3538, 5197, 10394, 150713, 301426, 317017, 634034, 9193493, 18386986

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18386985
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18386986 can be divided by 16 positive divisors. The sum of these divisors (counting 18386986) is 1, the average is 0.0625.

Base conversion 18386986

Base System Value
2 Binary 1000110001001000000101010
3 Ternary 1021121011012111
4 Quaternary 1012021000222
5 Quinary 14201340421
6 Senary 1454032534
8 Octal 106110052
10 Decimal 18386986
12 Duodecimal 61a874a
16 Hexadecimal 118902a
20 Vigesimal 5ei796
36 Base36 ay3hm

Cryptographic Hash Functions

md5 c8b6e345c5b974a97bf7e0ce31261236
sha1 ec72196472f7b21ca5ee915cb44b849206762874
sha256 a42e75982989a3900c2d3323bd2c303a7f4ec8ada805d6e208d9aaa07bba96e8
sha512 373c3d529d9cf64eff61c3f5357da6a969e13f2b05743fc82d12622b1d9d017818725981399df069503b1c1b5a791c1d89b7097f4b1c89ff48ad046ebab693b5
ripemd-160 ffb23b90e85bf8923bae0d911ba316e9764cd64d

18386986 as geometric shapes

Circle

Radius = n
Diameter 36773972
Circumference 115528840.27852
Area 1.0621135843987E+15

Sphere

Radius = n
Volume 2.6038756808997E+22
Surface area 4.2484543375946E+15
Circumference 115528840.27852

Square

Length = n
Perimeter 73547944
Area 338081254164196
Diagonal 26003124.972364

Cube

Length = n
Surface area 2028487524985176
Volume 6.2162952871795E+21
Space diagonal 31847193.950058

Equilateral Triangle

Length = n
Perimeter 55160958
Area 1.4639347732475E+14
Altitude 15923596.975029

Triangular Pyramid

Length = n
Surface area 1.4639347732475E+14
Volume 7.325974252371E+20
Height 8667708.3241214