18821468 (number)

18821468 is an even 8-digits composite number following 18821467 and preceding 18821469. In scientific notation, it is written as 1.8821468 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors. There are 9394560 positive integers (up to 18821468) that are relatively prime to 18821468.

Interesting facts

Basic properties

Name

Name eighteen million eight hundred twenty-one thousand four hundred sixty-eight

Notation

Scientific notation 1.8821468 × 10^7
Engineering notation 1.8821468 × 10^6

Prime Factorization of 18821468

Prime Factorization 2 × 2 × 631 × 7457

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9410734
Product of the distinct prime numbers

The prime factorization of 18821468 is 2 × 2 × 631 × 7457. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 1, 5, 19, 408, 841, 8496, 5809, 73648, 15198, 461692, 66813, 4716559, 9736467, 39959624, 25437160, 472677092, 929271380, 7242498790, 3368485372

Basic calculations (n = 18821468)

Multiplication

n×y
n×2 37642936
n×3 56464404
n×4 75285872
n×5 94107340

Division

n÷y
n÷2 9410734
n÷3 6273822.6666667
n÷3 4705367
n÷5 3764293.6

Exponentiation

ny
n2 354247657675024
n3 6.6674609530054E+21
n4 1.2549140296824E+29
n5 2.3619324252419E+36

Nth Root

y√n
2√n 4338.371583901
3√n 266.00175249001
4√n 65.866316003713
5√n 28.505633609268

Divisors of 18821468

1, 2, 4, 631, 1262, 2524, 7457, 14914, 29828, 4705367, 9410734, 18821468

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18821467
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18821468 can be divided by 12 positive divisors. The sum of these divisors (counting 18821468) is 1, the average is 0.083333333333333.

Base conversion 18821468

Base System Value
2 Binary 1000111110011000101011100
3 Ternary 1022102020012102
4 Quaternary 1013303011130
5 Quinary 14304241333
6 Senary 1511224232
8 Octal 107630534
10 Decimal 18821468
12 Duodecimal 6378078
16 Hexadecimal 11f315c
20 Vigesimal 5hcdd8
36 Base36 b7eqk

Cryptographic Hash Functions

md5 67ff5558cf2f692c754fadfca64ea280
sha1 4e057b710cca2f4f0002468544855d1d1ccf0472
sha256 1b0755b7f6112b02e572b49e591466cbbbbe636b38a2205c14f2495c59a457ef
sha512 edd4a89a08c406969608e9008d2e25a999e05780da09cc0fb345a255f828751a70ae65598b31d3a8dd895b237c2395ff9db078b3afd962a0e79bd4c84e6398c6
ripemd-160 a5d306a7515239d3f2e05c513a1625d8d3fa04d8

18821468 as geometric shapes

Circle

Radius = n
Diameter 37642936
Circumference 118258771.19715
Area 1.1129018389032E+15

Sphere

Radius = n
Volume 2.7928595130745E+22
Surface area 4.451607355613E+15
Circumference 118258771.19715

Square

Length = n
Perimeter 75285872
Area 354247657675024
Diagonal 26617575.309371

Cube

Length = n
Surface area 2125485946050144
Volume 6.6674609530054E+21
Space diagonal 32599738.849032

Equilateral Triangle

Length = n
Perimeter 56464404
Area 1.5339373538885E+14
Altitude 16299869.424516

Triangular Pyramid

Length = n
Surface area 1.5339373538885E+14
Volume 7.8576780886111E+20
Height 8872525.1031237