21365518 (number)

21365518 is an even 8-digits composite number following 21365517 and preceding 21365519. In scientific notation, it is written as 2.1365518 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 10196032 positive integers (up to 21365518) that are relatively prime to 21365518.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred sixty-five thousand five hundred eighteen

Notation

Scientific notation 2.1365518 × 10^7
Engineering notation 2.1365518 × 10^6

Prime Factorization of 21365518

Prime Factorization 2 × 29 × 89 × 4139

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21365518
Product of the distinct prime numbers

The prime factorization of 21365518 is 2 × 29 × 89 × 4139. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21365518)

Multiplication

n×y
n×2 42731036
n×3 64096554
n×4 85462072
n×5 106827590

Division

n÷y
n÷2 10682759
n÷3 7121839.3333333
n÷3 5341379.5
n÷5 4273103.6

Exponentiation

ny
n2 456485359408324
n3 9.753046163175E+21
n4 2.0837888335415E+29
n5 4.4521227831229E+36

Nth Root

y√n
2√n 4622.2849328011
3√n 277.48391216963
4√n 67.987388042203
5√n 29.237664972918

Divisors of 21365518

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 -21365517
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 21365518 can be divided by 16 positive divisors. The sum of these divisors (counting 21365518) is 1, the average is 0.0625.

Base conversion 21365518

Base System Value
2 Binary 1010001100000001100001110
3 Ternary 1111012110222111
4 Quaternary 1101200030032
5 Quinary 20432144033
6 Senary 2041534234
8 Octal 121401416
10 Decimal 21365518
12 Duodecimal 71a437a
16 Hexadecimal 146030e
20 Vigesimal 6dadfi
36 Base36 cpxqm

Cryptographic Hash Functions

md5 e8dd60fd45a0b00c31da3d13c5663ef9
sha1 4bfa0ffa782a81bbeba755159e4ac48f07d7eeeb
sha256 b744c9c39cc5c50f5c38fe36ab976223f87d2d9e2f8070fdd80ed664daf38e61
sha512 bae63cdf9faa1ba9fb9618620a2ae25dc97fc7a58c5848529d77775b6e3a6850d3e0d792ee8a550fd49964f677a9847d0368dfb47935144a13693648045fbc00
ripemd-160 5cf3d6a268386ffe59b5964b70daf51a5fddcfe2

21365518 as geometric shapes

Circle

Radius = n
Diameter 42731036
Circumference 134243508.77788
Area 1.4340910515885E+15

Sphere

Radius = n
Volume 4.0853464235137E+22
Surface area 5.7363642063539E+15
Circumference 134243508.77788

Square

Length = n
Perimeter 85462072
Area 456485359408324
Diagonal 30215405.322726

Cube

Length = n
Surface area 2738912156449944
Volume 9.753046163175E+21
Space diagonal 37006162.706027

Equilateral Triangle

Length = n
Perimeter 64096554
Area 1.9766395885164E+14
Altitude 18503081.353014

Triangular Pyramid

Length = n
Surface area 1.9766395885164E+14
Volume 1.1494075132011E+21
Height 10071801.774242