21086418 (number)

21086418 is an even 8-digits composite number following 21086417 and preceding 21086419. In scientific notation, it is written as 2.1086418 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 7028804 positive integers (up to 21086418) that are relatively prime to 21086418.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-six thousand four hundred eighteen

Notation

Scientific notation 2.1086418 × 10^7
Engineering notation 2.1086418 × 10^6

Prime Factorization of 21086418

Prime Factorization 2 × 3 × 3514403

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21086418
Product of the distinct prime numbers

The prime factorization of 21086418 is 2 × 3 × 3514403. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21086418)

Multiplication

n×y
n×2 42172836
n×3 63259254
n×4 84345672
n×5 105432090

Division

n÷y
n÷2 10543209
n÷3 7028806
n÷3 5271604.5
n÷5 4217283.6

Exponentiation

ny
n2 444637024070724
n3 9.3758021478313E+21
n4 1.9770208317447E+29
n5 4.1688287652876E+36

Nth Root

y√n
2√n 4591.9949912865
3√n 276.27034527307
4√n 67.764260427503
5√n 29.160875739271

Divisors of 21086418

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 -21086417
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 21086418 can be divided by 8 positive divisors. The sum of these divisors (counting 21086418) is 1, the average is 0.125.

Base conversion 21086418

Base System Value
2 Binary 1010000011100000011010010
3 Ternary 1110200022010110
4 Quaternary 1100130003102
5 Quinary 20344231133
6 Senary 2031542150
8 Octal 120340322
10 Decimal 21086418
12 Duodecimal 708a956
16 Hexadecimal 141c0d2
20 Vigesimal 6bfg0i
36 Base36 cjydu

Cryptographic Hash Functions

md5 9f5cd83debf547fd2e0622781624e5cc
sha1 58cfe265d59e4b99b98274f6f3cd0e4965cff1aa
sha256 ceb73a30360e02132ac4d6109ffaceac5777446391fd72f394b28ab54b41fb0a
sha512 948b65c821fafb7fba06ccdff58d350420f4a7279b57334cca913737ff2d0e9786bde5c497ccadec9a4f1ae6b7dfcec5f0cad1b40c409c9072bd1800a1cb584f
ripemd-160 e512beaae60505a769ce4906827842bfda93b257

21086418 as geometric shapes

Circle

Radius = n
Diameter 42172836
Circumference 132489871.75865
Area 1.3968684083346E+15

Sphere

Radius = n
Volume 3.9273268198851E+22
Surface area 5.5874736333385E+15
Circumference 132489871.75865

Square

Length = n
Perimeter 84345672
Area 444637024070724
Diagonal 29820698.317468

Cube

Length = n
Surface area 2667822144424344
Volume 9.3758021478313E+21
Space diagonal 36522747.325635

Equilateral Triangle

Length = n
Perimeter 63259254
Area 1.9253347915418E+14
Altitude 18261373.662817

Triangular Pyramid

Length = n
Surface area 1.9253347915418E+14
Volume 1.1049488796325E+21
Height 9940232.7724894