19986 (number)

19986 is an even 5-digits composite number following 19985 and preceding 19987. In scientific notation, it is written as 1.9986 × 10^4. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 6660 positive integers (up to 19986) that are relatively prime to 19986.

Interesting facts

Basic properties

Name

Name nineteen thousand nine hundred eighty-six

Notation

Scientific notation 1.9986 × 10^4
Engineering notation 1.9986 × 10^3

Prime Factorization of 19986

Prime Factorization 2 × 3 × 3331

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 19986
Product of the distinct prime numbers

The prime factorization of 19986 is 2 × 3 × 3331. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 10, 56, 61, 22, 658, 8626, 1288, 61018, 20612, 947, 487325, 9919336, 4543236, 72582238, 67848052, 67075324, 139648611, 7016339578, 976093455

Basic calculations (n = 19986)

Multiplication

n×y
n×2 39972
n×3 59958
n×4 79944
n×5 99930

Division

n÷y
n÷2 9993
n÷3 6662
n÷3 4996.5
n÷5 3997.2

Exponentiation

ny
n2 399440196
n3 7983211757256
n4 159552470180518416
n5 3.1888156690278E+21

Nth Root

y√n
2√n 141.37185009754
3√n 27.137841046419
4√n 11.889989491061
5√n 7.2467816610148

Divisors of 19986

1, 2, 3, 6, 3331, 6662, 9993, 19986

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 -19985
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 19986 can be divided by 8 positive divisors. The sum of these divisors (counting 19986) is 1, the average is 0.125.

Base conversion 19986

Base System Value
2 Binary 100111000010010
3 Ternary 1000102020
4 Quaternary 10320102
5 Quinary 1114421
6 Senary 232310
8 Octal 47022
10 Decimal 19986
12 Duodecimal b696
16 Hexadecimal 4e12
20 Vigesimal 29j6
36 Base36 ff6

Cryptographic Hash Functions

md5 e59ba389761bfb7fd837d775b17314ca
sha1 9b84a9d286555a44f6243c834a786924df6740c8
sha256 bd8cff9df8569ed8f837b7cf58187502e12141a7361366c62f165043e9e4ae6e
sha512 7feb670ee2151f9c00aa3d8b2fecac1828d38f921c4ea263255b85dc1c3d8cd2e40afa643d7124d6657efe35d1eaa767d23e02b66092a88a663d2126adee43d3
ripemd-160 14c1bbf93a80f1a0cea338c7a261d1f8de09f85c

19986 as geometric shapes

Circle

Radius = n
Diameter 39972
Circumference 125575.74154929
Area 1254878385.3021

Sphere

Radius = n
Volume 33439999211529
Surface area 5019513541.2083
Circumference 125575.74154929

Square

Length = n
Perimeter 79944
Area 399440196
Diagonal 28264.472257589

Cube

Length = n
Surface area 2396641176
Volume 7983211757256
Space diagonal 34616.767440072

Equilateral Triangle

Length = n
Perimeter 59958
Area 172962678.51432
Altitude 17308.383720036

Triangular Pyramid

Length = n
Surface area 172962678.51432
Volume 940830528200.65
Height 9421.4907525296