20991616 (number)

20991616 is an even 8-digits composite number following 20991615 and preceding 20991617. In scientific notation, it is written as 2.0991616 × 10^7. The sum of its digits is 34. It has a total of 8 prime factors and 16 positive divisors. There are 10495744 positive integers (up to 20991616) that are relatively prime to 20991616.

Interesting facts

Basic properties

Name

Name twenty million nine hundred ninety-one thousand six hundred sixteen

Notation

Scientific notation 2.0991616 × 10^7
Engineering notation 2.0991616 × 10^6

Prime Factorization of 20991616

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 163997

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 327994
Product of the distinct prime numbers

The prime factorization of 20991616 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 163997. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20991616)

Multiplication

n×y
n×2 41983232
n×3 62974848
n×4 83966464
n×5 104958080

Division

n÷y
n÷2 10495808
n÷3 6997205.3333333
n÷3 5247904
n÷5 4198323.2

Exponentiation

ny
n2 440647942291456
n3 9.2499123957724E+21
n4 1.9417060904569E+29
n5 4.0759548635733E+36

Nth Root

y√n
2√n 4581.660834239
3√n 275.85569716317
4√n 67.687966687138
5√n 29.134607699287

Divisors of 20991616

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 -20991615
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 20991616 can be divided by 16 positive divisors. The sum of these divisors (counting 20991616) is 1, the average is 0.0625.

Base conversion 20991616

Base System Value
2 Binary 1010000000100111010000000
3 Ternary 1110111111002021
4 Quaternary 1100010322000
5 Quinary 20333212431
6 Senary 2025531224
8 Octal 120047200
10 Decimal 20991616
12 Duodecimal 7043b14
16 Hexadecimal 1404e80
20 Vigesimal 6b3j0g
36 Base36 chx8g

Cryptographic Hash Functions

md5 a2009a427eb80f632d281425d237f0f1
sha1 bfcca592ff6b36afe628488173c5b372063a271b
sha256 2ed01ccca174412d2a3929eb9aa37d0b8935febd884f2817859abf908ca36b46
sha512 f2d52e1d00f9cdcbcd9dcb9fdb891da824a9295e0698254089252c13b2cf76760ed672ccdb9dea6a378c16c31762bb23b37948ea171668f7ce62ccd993659b18
ripemd-160 e8a491adcf45691295a5a8aaff05c58edef81853

20991616 as geometric shapes

Circle

Radius = n
Diameter 41983232
Circumference 131894213.22516
Area 1.3843363383223E+15

Sphere

Radius = n
Volume 3.8745942438544E+22
Surface area 5.5373453532892E+15
Circumference 131894213.22516

Square

Length = n
Perimeter 83966464
Area 440647942291456
Diagonal 29686628.043328

Cube

Length = n
Surface area 2643887653748736
Volume 9.2499123957724E+21
Space diagonal 36358545.444976

Equilateral Triangle

Length = n
Perimeter 62974848
Area 1.9080615607487E+14
Altitude 18179272.722488

Triangular Pyramid

Length = n
Surface area 1.9080615607487E+14
Volume 1.090112630072E+21
Height 9895542.6811094