18989816 (number)

18989816 is an even 8-digits composite number following 18989815 and preceding 18989817. In scientific notation, it is written as 1.8989816 × 10^7. The sum of its digits is 50. It has a total of 6 prime factors and 32 positive divisors. There are 8464896 positive integers (up to 18989816) that are relatively prime to 18989816.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred eighty-nine thousand eight hundred sixteen

Notation

Scientific notation 1.8989816 × 10^7
Engineering notation 1.8989816 × 10^6

Prime Factorization of 18989816

Prime Factorization 2 × 2 × 2 × 17 × 19 × 7349

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 4747454
Product of the distinct prime numbers

The prime factorization of 18989816 is 2 × 2 × 2 × 17 × 19 × 7349. Since it has a total of 6 prime factors.

Most popular turbo-numbers

5, 9, 3, 25, 42, 173, 5134, 7458, 77014, 17947, 486572, 689739, 9377938, 3427359, 67645380, 53033235, 667065600, 947294536, 2921836606, 6849230877

Basic calculations (n = 18989816)

Multiplication

n×y
n×2 37979632
n×3 56969448
n×4 75959264
n×5 94949080

Division

n÷y
n÷2 9494908
n÷3 6329938.6666667
n÷3 4747454
n÷5 3797963.2

Exponentiation

ny
n2 360613111713856
n3 6.8479766386336E+21
n4 1.3004181633995E+29
n5 2.4694701646014E+36

Nth Root

y√n
2√n 4357.7306020451
3√n 266.79248090885
4√n 66.013109319627
5√n 28.556445678285

Divisors of 18989816

1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 323, 646, 1292, 2584, 7349, 14698, 29396, 58792, 124933, 139631, 249866, 279262, 499732, 558524, 999464, 1117048, 2373727, 4747454, 9494908, 18989816

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 -18989815
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 18989816 can be divided by 32 positive divisors. The sum of these divisors (counting 18989816) is 1, the average is 0.03125.

Base conversion 18989816

Base System Value
2 Binary 1001000011100001011111000
3 Ternary 1022201210010112
4 Quaternary 1020130023320
5 Quinary 14330133231
6 Senary 1515003452
8 Octal 110341370
10 Decimal 18989816
12 Duodecimal 6439588
16 Hexadecimal 121c2f8
20 Vigesimal 5ideag
36 Base36 bb0mw

Cryptographic Hash Functions

md5 262e3c3c43f1413551d7fff3dd9e7c1f
sha1 8221e2c755465f53d9a27c6776353e2676274083
sha256 7c375f6af584981c507b841b9e199ee48403d24008ca858c20a7fb6f29191c49
sha512 64de1440b7cfa34e6cd22f8ade1dd746d5ab2f54b74cbbf1ced7de6a127e92ba7d4efe5e7af1e6a283188ace6a64d87a6253cf94e89b30d766001db58238811e
ripemd-160 d73f5de022d0181281f92e6f109bd64de5aae488

18989816 as geometric shapes

Circle

Radius = n
Diameter 37979632
Circumference 119316532.87724
Area 1.1328995025484E+15

Sphere

Radius = n
Volume 2.8684737466514E+22
Surface area 4.5315980101936E+15
Circumference 119316532.87724

Square

Length = n
Perimeter 75959264
Area 360613111713856
Diagonal 26855655.33417

Cube

Length = n
Surface area 2163678670283136
Volume 6.8479766386336E+21
Space diagonal 32891326.138384

Equilateral Triangle

Length = n
Perimeter 56969448
Area 1.5615005784098E+14
Altitude 16445663.069192

Triangular Pyramid

Length = n
Surface area 1.5615005784098E+14
Volume 8.0704178643081E+20
Height 8951885.1113899