21241918 (number)

21241918 is an even 8-digits composite number following 21241917 and preceding 21241919. In scientific notation, it is written as 2.1241918 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 10620958 positive integers (up to 21241918) that are relatively prime to 21241918.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred forty-one thousand nine hundred eighteen

Notation

Scientific notation 2.1241918 × 10^7
Engineering notation 2.1241918 × 10^6

Prime Factorization of 21241918

Prime Factorization 2 × 10620959

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21241918
Product of the distinct prime numbers

The prime factorization of 21241918 is 2 × 10620959. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21241918)

Multiplication

n×y
n×2 42483836
n×3 63725754
n×4 84967672
n×5 106209590

Division

n÷y
n÷2 10620959
n÷3 7080639.3333333
n÷3 5310479.5
n÷5 4248383.6

Exponentiation

ny
n2 451219080318724
n3 9.5847587041657E+21
n4 2.0359865844368E+29
n5 4.3248260075706E+36

Nth Root

y√n
2√n 4608.8955292998
3√n 276.94779346893
4√n 67.888846869717
5√n 29.20375831226

Divisors of 21241918

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 -21241917
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 21241918 can be divided by 4 positive divisors. The sum of these divisors (counting 21241918) is 1, the average is 0.25.

Base conversion 21241918

Base System Value
2 Binary 1010001000010000000111110
3 Ternary 1110222012102201
4 Quaternary 1101002000332
5 Quinary 20414220133
6 Senary 2035142114
8 Octal 121020076
10 Decimal 21241918
12 Duodecimal 714493a
16 Hexadecimal 144203e
20 Vigesimal 6cf4fi
36 Base36 cnada

Cryptographic Hash Functions

md5 f0af620f5b8ccff79ce29b6007009719
sha1 a151f01d772f091048800d73c16f3a0fe28e8557
sha256 5bf8f88f920ec425e65515abc90c02fe97742c11670e56ae9343c1c25cdaab8a
sha512 60632469642800e70ac295d451ccc9b7871292c3e5b3d580ffe209a0de5d9fe648280b0d0c73f858d3dac72d7e7a1cdd788e0db100e760932426eb1144885aea
ripemd-160 83af87ccf6d5279207cabb4b1851cfeb413258a0

21241918 as geometric shapes

Circle

Radius = n
Diameter 42483836
Circumference 133466907.07391
Area 1.4175465478888E+15

Sphere

Radius = n
Volume 4.0148543375251E+22
Surface area 5.6701861915554E+15
Circumference 133466907.07391

Square

Length = n
Perimeter 84967672
Area 451219080318724
Diagonal 30040608.526417

Cube

Length = n
Surface area 2707314481912344
Volume 9.5847587041657E+21
Space diagonal 36792081.226212

Equilateral Triangle

Length = n
Perimeter 63725754
Area 1.9538359311413E+14
Altitude 18396040.613106

Triangular Pyramid

Length = n
Surface area 1.9538359311413E+14
Volume 1.1295746459587E+21
Height 10013536.175472