21018086 (number)

21018086 is an even 8-digits composite number following 21018085 and preceding 21018087. In scientific notation, it is written as 2.1018086 × 10^7. The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors. There are 9836544 positive integers (up to 21018086) that are relatively prime to 21018086.

Interesting facts

Basic properties

Name

Name twenty-one million eighteen thousand eighty-six

Notation

Scientific notation 2.1018086 × 10^7
Engineering notation 2.1018086 × 10^6

Prime Factorization of 21018086

Prime Factorization 2 × 17 × 193 × 3203

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21018086
Product of the distinct prime numbers

The prime factorization of 21018086 is 2 × 17 × 193 × 3203. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21018086)

Multiplication

n×y
n×2 42036172
n×3 63054258
n×4 84072344
n×5 105090430

Division

n÷y
n÷2 10509043
n÷3 7006028.6666667
n÷3 5254521.5
n÷5 4203617.2

Exponentiation

ny
n2 441759939103396
n3 9.2849483914299E+21
n4 1.9515184379664E+29
n5 4.1017182359763E+36

Nth Root

y√n
2√n 4584.5486146403
3√n 275.97159793152
4√n 67.709294891029
5√n 29.141951625322

Divisors of 21018086

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 -21018085
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 21018086 can be divided by 16 positive divisors. The sum of these divisors (counting 21018086) is 1, the average is 0.0625.

Base conversion 21018086

Base System Value
2 Binary 1010000001011010111100110
3 Ternary 1110112211101122
4 Quaternary 1100023113212
5 Quinary 20340034321
6 Senary 2030253542
8 Octal 120132746
10 Decimal 21018086
12 Duodecimal 70572b2
16 Hexadecimal 140b5e6
20 Vigesimal 6b7546
36 Base36 cihnq

Cryptographic Hash Functions

md5 570220fce972e256f7a485c7b3222fef
sha1 8157e155d3769a508f0dccfc5e18741a952f822b
sha256 31254325fea4953a444f507c63af08cf2e14db770289eb399b46ac2ece44fb3b
sha512 9045e50f36f71619172ece3be9190cfaf89a62e84a5a6de89c4bdeacf733ea9f664ac0e1a67ab2fe191ddef4818c06313c30796ddbd9d9280050bf1d173323aa
ripemd-160 5ba10e325a4bc69bccd75e098c61457da86e0e7c

21018086 as geometric shapes

Circle

Radius = n
Diameter 42036172
Circumference 132060529.14024
Area 1.3878297793375E+15

Sphere

Radius = n
Volume 3.8892700873969E+22
Surface area 5.55131911735E+15
Circumference 132060529.14024

Square

Length = n
Perimeter 84072344
Area 441759939103396
Diagonal 29724062.276324

Cube

Length = n
Surface area 2650559634620376
Volume 9.2849483914299E+21
Space diagonal 36404392.829852

Equilateral Triangle

Length = n
Perimeter 63054258
Area 1.912876648189E+14
Altitude 18202196.414926

Triangular Pyramid

Length = n
Surface area 1.912876648189E+14
Volume 1.0942416617579E+21
Height 9908020.7587747