21568394 (number)

21568394 is an even 8-digits composite number following 21568393 and preceding 21568395. In scientific notation, it is written as 2.1568394 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors. There are 10373184 positive integers (up to 21568394) that are relatively prime to 21568394.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred sixty-eight thousand three hundred ninety-four

Notation

Scientific notation 2.1568394 × 10^7
Engineering notation 2.1568394 × 10^6

Prime Factorization of 21568394

Prime Factorization 2 × 47 × 59 × 3889

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21568394
Product of the distinct prime numbers

The prime factorization of 21568394 is 2 × 47 × 59 × 3889. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 3, 42, 11, 783, 856, 5067, 3644, 91366, 39667, 604899, 230958, 9319767, 8716451, 83838659, 55406536, 494223674, 815666876, 9027191272, 6114942834

Basic calculations (n = 21568394)

Multiplication

n×y
n×2 43136788
n×3 64705182
n×4 86273576
n×5 107841970

Division

n÷y
n÷2 10784197
n÷3 7189464.6666667
n÷3 5392098.5
n÷5 4313678.8

Exponentiation

ny
n2 465195619739236
n3 1.003352241361E+22
n4 2.1640696462457E+29
n5 4.6675506773668E+36

Nth Root

y√n
2√n 4644.1785064745
3√n 278.35942847198
4√n 68.148209855245
5√n 29.292980445058

Divisors of 21568394

1, 2, 47, 59, 94, 118, 2773, 3889, 5546, 7778, 182783, 229451, 365566, 458902, 10784197, 21568394

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 -21568393
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 21568394 can be divided by 16 positive divisors. The sum of these divisors (counting 21568394) is 1, the average is 0.0625.

Base conversion 21568394

Base System Value
2 Binary 1010010010001101110001010
3 Ternary 1111120210021102
4 Quaternary 1102101232022
5 Quinary 21010142034
6 Senary 2050141402
8 Octal 122215612
10 Decimal 21568394
12 Duodecimal 7281862
16 Hexadecimal 1491b8a
20 Vigesimal 6eg0je
36 Base36 cuaa2

Cryptographic Hash Functions

md5 4092558aae8f1572756dc79fa8ac8761
sha1 6d83d247c59289ce9670af5fc87f3e01a0bfbff9
sha256 3130aac6491cc64e326d3ff9caac90cdb8440d9888b7453a953d59011372d26a
sha512 a08036c132ce9a005cca5725f3bc0e1d1b85e1d978fe59896eb497ec8b280a14368400b599248f8ae27bdf104861980b9af54e11dfaa4c4acaebc8806af3e5aa
ripemd-160 9fe2fb46e159c9648fcb6a0da0250d5cc97590d5

21568394 as geometric shapes

Circle

Radius = n
Diameter 43136788
Circumference 135518216.28026
Area 1.4614551414549E+15

Sphere

Radius = n
Volume 4.2028320405634E+22
Surface area 5.8458205658197E+15
Circumference 135518216.28026

Square

Length = n
Perimeter 86273576
Area 465195619739236
Diagonal 30502315.313406

Cube

Length = n
Surface area 2791173718435416
Volume 1.003352241361E+22
Space diagonal 37357554.245664

Equilateral Triangle

Length = n
Perimeter 64705182
Area 2.0143561221171E+14
Altitude 18678777.122832

Triangular Pyramid

Length = n
Surface area 2.0143561221171E+14
Volume 1.1824619563085E+21
Height 10167438.437802