21242018 (number)

21242018 is an even 8-digits composite number following 21242017 and preceding 21242019. In scientific notation, it is written as 2.1242018 × 10^7. The sum of its digits is 20. It has a total of 5 prime factors and 32 positive divisors. There are 8490240 positive integers (up to 21242018) that are relatively prime to 21242018.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1242018 × 10^7
Engineering notation 2.1242018 × 10^6

Prime Factorization of 21242018

Prime Factorization 2 × 7 × 23 × 41 × 1609

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21242018
Product of the distinct prime numbers

The prime factorization of 21242018 is 2 × 7 × 23 × 41 × 1609. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 2, 100, 95, 506, 8, 2818, 5068, 58524, 78009, 540499, 908258, 624872, 5783522, 74841302, 67009310, 994181090, 707316092, 2874067804, 3666954505

Basic calculations (n = 21242018)

Multiplication

n×y
n×2 42484036
n×3 63726054
n×4 84968072
n×5 106210090

Division

n÷y
n÷2 10621009
n÷3 7080672.6666667
n÷3 5310504.5
n÷5 4248403.6

Exponentiation

ny
n2 451223328712324
n3 9.5848940705271E+21
n4 2.0360249237423E+29
n5 4.3249278078583E+36

Nth Root

y√n
2√n 4608.9063778732
3√n 276.94822806145
4√n 67.888926769195
5√n 29.203785808556

Divisors of 21242018

1, 2, 7, 14, 23, 41, 46, 82, 161, 287, 322, 574, 943, 1609, 1886, 3218, 6601, 11263, 13202, 22526, 37007, 65969, 74014, 131938, 259049, 461783, 518098, 923566, 1517287, 3034574, 10621009, 21242018

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21242017
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21242018 can be divided by 32 positive divisors. The sum of these divisors (counting 21242018) is 1, the average is 0.03125.

Base conversion 21242018

Base System Value
2 Binary 1010001000010000010100010
3 Ternary 1110222012120102
4 Quaternary 1101002002202
5 Quinary 20414221033
6 Senary 2035142402
8 Octal 121020242
10 Decimal 21242018
12 Duodecimal 7144a02
16 Hexadecimal 14420a2
20 Vigesimal 6cf50i
36 Base36 cnag2

Cryptographic Hash Functions

md5 77e3a8fc30c292bb62c10678bc99e1c3
sha1 ddf31d81dd7b959b8154cbdb4323202a1e234b29
sha256 0ec6f273a158e7026d61047c378e6537f6c6eb9069d047707e03d31eadf24c9b
sha512 9b12f4158bbd0843cbed21cb20f2d9576890a9402405ee7713e2b9e1bbfc17c249240a15bfcb6953da1d974525327c4f80bbf643659c61cb6426fee509574e04
ripemd-160 53854de331c49ca3e47d8632924180d563517d7d

21242018 as geometric shapes

Circle

Radius = n
Diameter 42484036
Circumference 133467535.39244
Area 1.417559894611E+15

Sphere

Radius = n
Volume 4.0149110396539E+22
Surface area 5.6702395784439E+15
Circumference 133467535.39244

Square

Length = n
Perimeter 84968072
Area 451223328712324
Diagonal 30040749.947773

Cube

Length = n
Surface area 2707339972273944
Volume 9.5848940705271E+21
Space diagonal 36792254.431293

Equilateral Triangle

Length = n
Perimeter 63726054
Area 1.9538543272252E+14
Altitude 18396127.215646

Triangular Pyramid

Length = n
Surface area 1.9538543272252E+14
Volume 1.1295905990374E+21
Height 10013583.315924