21568481 (number)

21568481 is an odd 8-digits composite number following 21568480 and preceding 21568482. In scientific notation, it is written as 2.1568481 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 19607700 positive integers (up to 21568481) that are relatively prime to 21568481.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1568481 × 10^7
Engineering notation 2.1568481 × 10^6

Prime Factorization of 21568481

Prime Factorization 11 × 1960771

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21568481
Product of the distinct prime numbers

The prime factorization of 21568481 is 11 × 1960771. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21568481)

Multiplication

n×y
n×2 43136962
n×3 64705443
n×4 86273924
n×5 107842405

Division

n÷y
n÷2 10784240.5
n÷3 7189493.6666667
n÷3 5392120.25
n÷5 4313696.2

Exponentiation

ny
n2 465199372647361
n3 1.0033643830157E+22
n4 2.164104563115E+29
n5 4.6676448151559E+36

Nth Root

y√n
2√n 4644.1878730301
3√n 278.35980274243
4√n 68.148278577159
5√n 29.293004076722

Divisors of 21568481

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 -21568480
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 21568481 can be divided by 4 positive divisors. The sum of these divisors (counting 21568481) is 1, the average is 0.25.

Base conversion 21568481

Base System Value
2 Binary 1010010010001101111100001
3 Ternary 1111120210101122
4 Quaternary 1102101233201
5 Quinary 21010142411
6 Senary 2050142025
8 Octal 122215741
10 Decimal 21568481
12 Duodecimal 7281915
16 Hexadecimal 1491be1
20 Vigesimal 6eg141
36 Base36 cuach

Cryptographic Hash Functions

md5 6257cee3d218bdb61a97e3c382508d26
sha1 3a7541dc1020451b20ebd9a5abd8552747f1b796
sha256 7fc8c7f4a30782d2bb7e617c8a360d211317004f7ac8d44db5b10ef94f728c74
sha512 bb19568e01f6ef96655a83c01b209ab26e505ad31bc389ad95964db51c60e51c98f71bc95548d49a9d01306c6976d9f3260f757f52ea323729ec60a3f2193d99
ripemd-160 7497104d50e31c7eeee861a71d4e0ede7c8cd714

21568481 as geometric shapes

Circle

Radius = n
Diameter 43136962
Circumference 135518762.91738
Area 1.4614669315635E+15

Sphere

Radius = n
Volume 4.2028828994075E+22
Surface area 5.8458677262541E+15
Circumference 135518762.91738

Square

Length = n
Perimeter 86273924
Area 465199372647361
Diagonal 30502438.349986

Cube

Length = n
Surface area 2791196235884166
Volume 1.0033643830157E+22
Space diagonal 37357704.934084

Equilateral Triangle

Length = n
Perimeter 64705443
Area 2.014372372686E+14
Altitude 18678852.467042

Triangular Pyramid

Length = n
Surface area 2.014372372686E+14
Volume 1.1824762653857E+21
Height 10167479.449995