21568216 (number)

21568216 is an even 8-digits composite number following 21568215 and preceding 21568217. In scientific notation, it is written as 2.1568216 × 10^7. The sum of its digits is 31. It has a total of 5 prime factors and 16 positive divisors. There are 10755360 positive integers (up to 21568216) that are relatively prime to 21568216.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred sixty-eight thousand two hundred sixteen

Notation

Scientific notation 2.1568216 × 10^7
Engineering notation 2.1568216 × 10^6

Prime Factorization of 21568216

Prime Factorization 2 × 2 × 2 × 397 × 6791

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5392054
Product of the distinct prime numbers

The prime factorization of 21568216 is 2 × 2 × 2 × 397 × 6791. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 7, 85, 89, 126, 61, 3957, 3010, 86869, 41598, 615971, 621297, 4849767, 2156095, 64502001, 98100952, 426060231, 334732614, 9043513743, 8580127968

Basic calculations (n = 21568216)

Multiplication

n×y
n×2 43136432
n×3 64704648
n×4 86272864
n×5 107841080

Division

n÷y
n÷2 10784108
n÷3 7189405.3333333
n÷3 5392054
n÷5 4313643.2

Exponentiation

ny
n2 465187941422656
n3 1.0033274001199E+22
n4 2.1639982084505E+29
n5 4.6673580783473E+36

Nth Root

y√n
2√n 4644.1593426583
3√n 278.3586627201
4√n 68.148069251141
5√n 29.292932094979

Divisors of 21568216

1, 2, 4, 8, 397, 794, 1588, 3176, 6791, 13582, 27164, 54328, 2696027, 5392054, 10784108, 21568216

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 -21568215
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 21568216 can be divided by 16 positive divisors. The sum of these divisors (counting 21568216) is 1, the average is 0.0625.

Base conversion 21568216

Base System Value
2 Binary 1010010010001101011011000
3 Ternary 1111120210000211
4 Quaternary 1102101223120
5 Quinary 21010140331
6 Senary 2050140504
8 Octal 122215330
10 Decimal 21568216
12 Duodecimal 7281734
16 Hexadecimal 1491ad8
20 Vigesimal 6eg0ag
36 Base36 cua54

Cryptographic Hash Functions

md5 3fef2bc68f9d0cee4fbcf52beffa7055
sha1 190b6ebd5d41fe062bfd5231c7bade34a6474dc6
sha256 8dd95041372a554d127138de6353af5e8cfaeb1159513ff585499ad5bcd6f588
sha512 892bebfccf11c6bab5051496a6f354dbbffdd7f9324614e9b15f6fbdc1479753119b74831d0f409b5c6d069c40c8dc978c8218ee85e0289af4571e00d0ecc4bb
ripemd-160 635db860a05928855c42f46350e65e18417fac7b

21568216 as geometric shapes

Circle

Radius = n
Diameter 43136432
Circumference 135517097.87328
Area 1.461431019312E+15

Sphere

Radius = n
Volume 4.2027279858161E+22
Surface area 5.8457240772479E+15
Circumference 135517097.87328

Square

Length = n
Perimeter 86272864
Area 465187941422656
Diagonal 30502063.583392

Cube

Length = n
Surface area 2791127648535936
Volume 1.0033274001199E+22
Space diagonal 37357245.94062

Equilateral Triangle

Length = n
Perimeter 64704648
Area 2.014322874031E+14
Altitude 18678622.97031

Triangular Pyramid

Length = n
Surface area 2.014322874031E+14
Volume 1.1824326806251E+21
Height 10167354.527797