21969986 (number)

21969986 is an even 8-digits composite number following 21969985 and preceding 21969987. In scientific notation, it is written as 2.1969986 × 10^7. The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors. There are 10984992 positive integers (up to 21969986) that are relatively prime to 21969986.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1969986 × 10^7
Engineering notation 2.1969986 × 10^6

Prime Factorization of 21969986

Prime Factorization 2 × 10984993

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21969986
Product of the distinct prime numbers

The prime factorization of 21969986 is 2 × 10984993. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21969986)

Multiplication

n×y
n×2 43939972
n×3 65909958
n×4 87879944
n×5 109849930

Division

n÷y
n÷2 10984993
n÷3 7323328.6666667
n÷3 5492496.5
n÷5 4393997.2

Exponentiation

ny
n2 482680284840196
n3 1.0604479100415E+22
n4 2.3298025737341E+29
n5 5.1185729927703E+36

Nth Root

y√n
2√n 4687.2151646793
3√n 280.07645021284
4√n 68.463239513474
5√n 29.401260907218

Divisors of 21969986

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21969985
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21969986 can be divided by 4 positive divisors. The sum of these divisors (counting 21969986) is 1, the average is 0.25.

Base conversion 21969986

Base System Value
2 Binary 1010011110011110001000010
3 Ternary 1112100012011012
4 Quaternary 1103303301002
5 Quinary 21111014421
6 Senary 2102520522
8 Octal 123636102
10 Decimal 21969986
12 Duodecimal 7436142
16 Hexadecimal 14f3c42
20 Vigesimal 6h64j6
36 Base36 d2w5e

Cryptographic Hash Functions

md5 730e805942cba6690dfbb5bd1cc8af6e
sha1 731c1e91cc02e2896196ef8a0f6dbd66f9f0ec89
sha256 404b9266b3beac862002ad041e6adf0ebea927515edbed6396810903b8b971ea
sha512 166dce6fb0c1a45b8a73523d6a0da573f6d736cd87f39f826b86e186a10644df3acf9ba173f4a762c9ee3df911d52c82d51cf281691f49c6f5ddbd3f67b5e25e
ripemd-160 0bb427cbc73894ffb854cd47b0ec849017d8fb2b

21969986 as geometric shapes

Circle

Radius = n
Diameter 43939972
Circumference 138041493.23414
Area 1.5163848368866E+15

Sphere

Radius = n
Volume 4.4419938182681E+22
Surface area 6.0655393475464E+15
Circumference 138041493.23414

Square

Length = n
Perimeter 87879944
Area 482680284840196
Diagonal 31070252.166347

Cube

Length = n
Surface area 2896081709041176
Volume 1.0604479100415E+22
Space diagonal 38053131.993577

Equilateral Triangle

Length = n
Perimeter 65909958
Area 2.0900669428876E+14
Altitude 19026565.996788

Triangular Pyramid

Length = n
Surface area 2.0900669428876E+14
Volume 1.2497498471424E+21
Height 10356750.722116