21492686 (number)

21492686 is an even 8-digits composite number following 21492685 and preceding 21492687. In scientific notation, it is written as 2.1492686 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 10180728 positive integers (up to 21492686) that are relatively prime to 21492686.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-two thousand six hundred eighty-six

Notation

Scientific notation 2.1492686 × 10^7
Engineering notation 2.1492686 × 10^6

Prime Factorization of 21492686

Prime Factorization 2 × 19 × 565597

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21492686
Product of the distinct prime numbers

The prime factorization of 21492686 is 2 × 19 × 565597. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21492686)

Multiplication

n×y
n×2 42985372
n×3 64478058
n×4 85970744
n×5 107463430

Division

n÷y
n÷2 10746343
n÷3 7164228.6666667
n÷3 5373171.5
n÷5 4298537.2

Exponentiation

ny
n2 461935551494596
n3 9.9282357605102E+21
n4 2.1338445373462E+29
n5 4.5862050613996E+36

Nth Root

y√n
2√n 4636.020491758
3√n 278.03335348488
4√n 68.088328601589
5√n 29.272387040399

Divisors of 21492686

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 -21492685
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 21492686 can be divided by 8 positive divisors. The sum of these divisors (counting 21492686) is 1, the average is 0.125.

Base conversion 21492686

Base System Value
2 Binary 1010001111111001111001110
3 Ternary 1111102221102102
4 Quaternary 1101333033032
5 Quinary 21000231221
6 Senary 2044355102
8 Octal 121771716
10 Decimal 21492686
12 Duodecimal 7245a92
16 Hexadecimal 147f3ce
20 Vigesimal 6e6be6
36 Base36 csnv2

Cryptographic Hash Functions

md5 ba87889840b20911c5629890add9204c
sha1 a8b4c09583e6929afc464d343e6fa160a6b58b84
sha256 92e06da39346bbceae90bfa66ab245b5c4adc531558c9a873fa03c170ca28725
sha512 3ed99ab5657a8d88e872064547743e8e111fbdb29ddafa9b1f984cbdc47cca28baac1b8237dec053030381b857b7a4d6b8e3d44426df220c1ed35ae6958bc7e0
ripemd-160 e42940f9ba97979bc0f9cb9bd37331ee908e4647

21492686 as geometric shapes

Circle

Radius = n
Diameter 42985372
Circumference 135042528.88702
Area 1.4512133350074E+15

Sphere

Radius = n
Volume 4.1587296704435E+22
Surface area 5.8048533400295E+15
Circumference 135042528.88702

Square

Length = n
Perimeter 85970744
Area 461935551494596
Diagonal 30395248.033026

Cube

Length = n
Surface area 2771613308967576
Volume 9.9282357605102E+21
Space diagonal 37226424.143124

Equilateral Triangle

Length = n
Perimeter 64478058
Area 2.0002396125275E+14
Altitude 18613212.071562

Triangular Pyramid

Length = n
Surface area 2.0002396125275E+14
Volume 1.1700538052459E+21
Height 10131749.344342