20189986 (number)

20189986 is an even 8-digits composite number following 20189985 and preceding 20189987. In scientific notation, it is written as 2.0189986 × 10^7. The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors. There are 9952740 positive integers (up to 20189986) that are relatively prime to 20189986.

Interesting facts

Basic properties

Name

Name twenty million one hundred eighty-nine thousand nine hundred eighty-six

Notation

Scientific notation 2.0189986 × 10^7
Engineering notation 2.0189986 × 10^6

Prime Factorization of 20189986

Prime Factorization 2 × 71 × 142183

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20189986
Product of the distinct prime numbers

The prime factorization of 20189986 is 2 × 71 × 142183. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20189986)

Multiplication

n×y
n×2 40379972
n×3 60569958
n×4 80759944
n×5 100949930

Division

n÷y
n÷2 10094993
n÷3 6729995.3333333
n÷3 5047496.5
n÷5 4037997.2

Exponentiation

ny
n2 407635534680196
n3 8.2301557382957E+21
n4 1.6616672913401E+29
n5 3.3549039348814E+36

Nth Root

y√n
2√n 4493.3268298667
3√n 272.2985566175
4√n 67.032281998055
5√n 28.908609559199

Divisors of 20189986

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 -20189985
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 20189986 can be divided by 8 positive divisors. The sum of these divisors (counting 20189986) is 1, the average is 0.125.

Base conversion 20189986

Base System Value
2 Binary 1001101000001001100100010
3 Ternary 1101222202110021
4 Quaternary 1031001030202
5 Quinary 20132034421
6 Senary 2000424054
8 Octal 115011442
10 Decimal 20189986
12 Duodecimal 691802a
16 Hexadecimal 1341322
20 Vigesimal 663ej6
36 Base36 c0qoy

Cryptographic Hash Functions

md5 513180c4c305b27bbf75dedce3051850
sha1 2ac822811645787c0fe0607b55e01b461aa0657b
sha256 d4e7287965e8ae3429786e68230cb1827b6581ab15a4c5cd3be6eedacc8e3a0d
sha512 f328dc6c29acac5cf0228e2ad027049ee9617b819b44f27d228dd51731bea6e51cac2d6f6c317979b4cb1c17d43a1c0bfa1d37c643fd88386d7de40ff344bd66
ripemd-160 db755bf2e912db895abb69b3a1b348720d265d7c

20189986 as geometric shapes

Circle

Radius = n
Diameter 40379972
Circumference 126857423.38736
Area 1.2806248010935E+15

Sphere

Radius = n
Volume 3.4474395740439E+22
Surface area 5.1224992043738E+15
Circumference 126857423.38736

Square

Length = n
Perimeter 80759944
Area 407635534680196
Diagonal 28552952.025323

Cube

Length = n
Surface area 2445813208081176
Volume 8.2301557382957E+21
Space diagonal 34970081.556104

Equilateral Triangle

Length = n
Perimeter 60569958
Area 1.7651136425915E+14
Altitude 17485040.778052

Triangular Pyramid

Length = n
Surface area 1.7651136425915E+14
Volume 9.6993315546171E+20
Height 9517650.6751076