18121444 (number)

18121444 is an even 8-digits composite number following 18121443 and preceding 18121445. In scientific notation, it is written as 1.8121444 × 10^7. The sum of its digits is 25. It has a total of 5 prime factors and 18 positive divisors. There are 8236800 positive integers (up to 18121444) that are relatively prime to 18121444.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8121444 × 10^7
Engineering notation 1.8121444 × 10^6

Prime Factorization of 18121444

Prime Factorization 2 × 2 × 11 × 11 × 37441

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 823702
Product of the distinct prime numbers

The prime factorization of 18121444 is 2 × 2 × 11 × 11 × 37441. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 1, 13, 88, 556, 860, 3674, 5103, 13089, 91306, 629672, 969812, 4513773, 8723934, 67751530, 79226624, 168177392, 82844111, 3637911877, 5272141259

Basic calculations (n = 18121444)

Multiplication

n×y
n×2 36242888
n×3 54364332
n×4 72485776
n×5 90607220

Division

n÷y
n÷2 9060722
n÷3 6040481.3333333
n÷3 4530361
n÷5 3624288.8

Exponentiation

ny
n2 328386732645136
n3 5.9508417859718E+21
n4 1.0783784617735E+29
n5 1.9541774905834E+36

Nth Root

y√n
2√n 4256.9289399754
3√n 262.6622138726
4√n 65.245144953287
5√n 28.290365621111

Divisors of 18121444

1, 2, 4, 11, 22, 44, 121, 242, 484, 37441, 74882, 149764, 411851, 823702, 1647404, 4530361, 9060722, 18121444

18 divisors

τ Total Divisors 18
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18121443
Sum of the proper positive divisors of n
A Arithmetic Mean 0.055555555555556
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 18
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18121444 can be divided by 18 positive divisors. The sum of these divisors (counting 18121444) is 1, the average is 0.055555555555556.

Base conversion 18121444

Base System Value
2 Binary 1000101001000001011100100
3 Ternary 1021002122221121
4 Quaternary 1011020023210
5 Quinary 14114341234
6 Senary 1444223324
8 Octal 105101344
10 Decimal 18121444
12 Duodecimal 609ab44
16 Hexadecimal 11482e4
20 Vigesimal 5d53c4
36 Base36 aselg

Cryptographic Hash Functions

md5 7509cf704df494ec1cce71f93c334ebe
sha1 e33aa97c2d6bce3c536fca4d719882b239e4404d
sha256 746b02bf7a9fc86951f79e6c59641d894c154feb73299c851cb79b6fc7c8c951
sha512 2d8ac0157796497de0aa3ee0688517c8685e7347dc4c634d38604bb7bf6ac3e3f2571d455a908179fb26319f4c23b49a8dd13a730c7f1f3a83e8227dde1be1c3
ripemd-160 3aae7c65714ebedb4c47c4595a1e645b93635d2f

18121444 as geometric shapes

Circle

Radius = n
Diameter 36242888
Circumference 113860390.68568
Area 1.0316573468143E+15

Sphere

Radius = n
Volume 2.4926827783312E+22
Surface area 4.1266293872573E+15
Circumference 113860390.68568

Square

Length = n
Perimeter 72485776
Area 328386732645136
Diagonal 25627591.874585

Cube

Length = n
Surface area 1970320395870816
Volume 5.9508417859718E+21
Space diagonal 31387261.714514

Equilateral Triangle

Length = n
Perimeter 54364332
Area 1.4219562636823E+14
Altitude 15693630.857257

Triangular Pyramid

Length = n
Surface area 1.4219562636823E+14
Volume 7.0131343010482E+20
Height 8542530.6248615