18990168 (number)

18990168 is an even 8-digits composite number following 18990167 and preceding 18990169. In scientific notation, it is written as 1.8990168 × 10^7. The sum of its digits is 42. It has a total of 5 prime factors and 16 positive divisors. There are 6330048 positive integers (up to 18990168) that are relatively prime to 18990168.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred ninety thousand one hundred sixty-eight

Notation

Scientific notation 1.8990168 × 10^7
Engineering notation 1.8990168 × 10^6

Prime Factorization of 18990168

Prime Factorization 2 × 2 × 2 × 3 × 791257

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 4747542
Product of the distinct prime numbers

The prime factorization of 18990168 is 2 × 2 × 2 × 3 × 791257. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 4, 68, 66, 800, 391, 7499, 3072, 9050, 40830, 593054, 817825, 7372608, 4686967, 82189049, 76433243, 731575415, 810605233, 3322365033, 6900098851

Basic calculations (n = 18990168)

Multiplication

n×y
n×2 37980336
n×3 56970504
n×4 75960672
n×5 94950840

Division

n÷y
n÷2 9495084
n÷3 6330056
n÷3 4747542
n÷5 3798033.6

Exponentiation

ny
n2 360626480668224
n3 6.8483574531383E+21
n4 1.3005145855915E+29
n5 2.4696990466833E+36

Nth Root

y√n
2√n 4357.7709898525
3√n 266.79412934282
4√n 66.013415226395
5√n 28.55655154339

Divisors of 18990168

1, 2, 3, 4, 6, 8, 12, 24, 791257, 1582514, 2373771, 3165028, 4747542, 6330056, 9495084, 18990168

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18990167
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18990168 can be divided by 16 positive divisors. The sum of these divisors (counting 18990168) is 1, the average is 0.0625.

Base conversion 18990168

Base System Value
2 Binary 1001000011100010001011000
3 Ternary 1022201210121120
4 Quaternary 1020130101120
5 Quinary 14330141133
6 Senary 1515005240
8 Octal 110342130
10 Decimal 18990168
12 Duodecimal 6439820
16 Hexadecimal 121c458
20 Vigesimal 5idf88
36 Base36 bb0wo

Cryptographic Hash Functions

md5 03c71951626db6cb2dc306cc4104f811
sha1 d2016f9b5885457175357ac8af39b90c7b486b3a
sha256 d39c3e20887114d41d5dab8c18b5a4da355d0affe56153f9c2cd6b1f03ba91d1
sha512 2e52b8e64b691f3a60f5fbb4538b49661edf8bdd3afa608341bd7bc33d2c14f322a2b7cc046903bf66fa0083c22dfdc6c3a2b7584cfb98c353bce4bf16c5b235
ripemd-160 0fb61ae8e4b32035d1c20ec563d2dbd1c605b1f2

18990168 as geometric shapes

Circle

Radius = n
Diameter 37980336
Circumference 119318744.55847
Area 1.1329415023572E+15

Sphere

Radius = n
Volume 2.8686332618582E+22
Surface area 4.5317660094289E+15
Circumference 119318744.55847

Square

Length = n
Perimeter 75960672
Area 360626480668224
Diagonal 26856153.137344

Cube

Length = n
Surface area 2163758884009344
Volume 6.8483574531383E+21
Space diagonal 32891935.820269

Equilateral Triangle

Length = n
Perimeter 56970504
Area 1.5615584676803E+14
Altitude 16445967.910134

Triangular Pyramid

Length = n
Surface area 1.5615584676803E+14
Volume 8.0708666585059E+20
Height 8952051.0457812