21894564 (number)

21894564 is an even 8-digits composite number following 21894563 and preceding 21894565. In scientific notation, it is written as 2.1894564 × 10^7. The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors. There are 7256704 positive integers (up to 21894564) that are relatively prime to 21894564.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1894564 × 10^7
Engineering notation 2.1894564 × 10^6

Prime Factorization of 21894564

Prime Factorization 2 × 2 × 3 × 179 × 10193

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10947282
Product of the distinct prime numbers

The prime factorization of 21894564 is 2 × 2 × 3 × 179 × 10193. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21894564)

Multiplication

n×y
n×2 43789128
n×3 65683692
n×4 87578256
n×5 109472820

Division

n÷y
n÷2 10947282
n÷3 7298188
n÷3 5473641
n÷5 4378912.8

Exponentiation

ny
n2 479371932750096
n3 1.0495639461401E+22
n4 2.2979744990856E+29
n5 5.0313149740598E+36

Nth Root

y√n
2√n 4679.1627456202
3√n 279.75558603113
4√n 68.404405893336
5√n 29.381046481755

Divisors of 21894564

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21894563
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21894564 can be divided by 24 positive divisors. The sum of these divisors (counting 21894564) is 1, the average is 0.041666666666667.

Base conversion 21894564

Base System Value
2 Binary 1010011100001010110100100
3 Ternary 1112012100200210
4 Quaternary 1103201112210
5 Quinary 21101111224
6 Senary 2101135420
8 Octal 123412644
10 Decimal 21894564
12 Duodecimal 73ba570
16 Hexadecimal 14e15a4
20 Vigesimal 6ggg84
36 Base36 d19yc

Cryptographic Hash Functions

md5 0b668fefec361b9e703639f95c9a4999
sha1 1f0e03fc2b3b751b5b9cff00609ef6d3ddf3e849
sha256 f0f06082edc51833470a5cd7127cdd082c2893e337f39d299a6446b6492067c7
sha512 bfceadc3c75b50f1618df3e530e8e399af3e04a7f2c949f4d6bc9ca82a2cb43ccd5373baa430ddfd7e589f83608d9a0b5b69758fda9f4980073edc5cba2971de
ripemd-160 e3f72d8ed599fb2661671f1beceae12e42fb5c88

21894564 as geometric shapes

Circle

Radius = n
Diameter 43789128
Circumference 137567602.8319
Area 1.5059913422648E+15

Sphere

Radius = n
Volume 4.3964031768885E+22
Surface area 6.0239653690594E+15
Circumference 137567602.8319

Square

Length = n
Perimeter 87578256
Area 479371932750096
Diagonal 30963589.351046

Cube

Length = n
Surface area 2876231596500576
Volume 1.0495639461401E+22
Space diagonal 37922497.257568

Equilateral Triangle

Length = n
Perimeter 65683692
Area 2.0757413581141E+14
Altitude 18961248.628784

Triangular Pyramid

Length = n
Surface area 2.0757413581141E+14
Volume 1.2369229726743E+21
Height 10321196.450349