16421818 (number)

16421818 is an even 8-digits composite number following 16421817 and preceding 16421819. In scientific notation, it is written as 1.6421818 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 6997536 positive integers (up to 16421818) that are relatively prime to 16421818.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.6421818 × 10^7
Engineering notation 1.6421818 × 10^6

Prime Factorization of 16421818

Prime Factorization 2 × 7 × 179 × 6553

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 16421818
Product of the distinct prime numbers

The prime factorization of 16421818 is 2 × 7 × 179 × 6553. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 6, 71, 32, 850, 245, 9363, 2095, 16711, 45550, 946091, 322858, 9152860, 1869028, 59745405, 84723414, 679963255, 97392348, 7349976893, 1628889630

Basic calculations (n = 16421818)

Multiplication

n×y
n×2 32843636
n×3 49265454
n×4 65687272
n×5 82109090

Division

n÷y
n÷2 8210909
n÷3 5473939.3333333
n÷3 4105454.5
n÷5 3284363.6

Exponentiation

ny
n2 269676106425124
n3 4.428571938662E+21
n4 7.2725202376615E+28
n5 1.1942800374419E+36

Nth Root

y√n
2√n 4052.3842364712
3√n 254.17943590181
4√n 63.65833988152
5√n 27.738581413018

Divisors of 16421818

1, 2, 7, 14, 179, 358, 1253, 2506, 6553, 13106, 45871, 91742, 1172987, 2345974, 8210909, 16421818

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 -16421817
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 16421818 can be divided by 16 positive divisors. The sum of these divisors (counting 16421818) is 1, the average is 0.0625.

Base conversion 16421818

Base System Value
2 Binary 111110101001001110111010
3 Ternary 1010220022111111
4 Quaternary 332221032322
5 Quinary 13200444233
6 Senary 1343550534
8 Octal 76511672
10 Decimal 16421818
12 Duodecimal 55bb44a
16 Hexadecimal fa93ba
20 Vigesimal 52ceai
36 Base36 9rz5m

Cryptographic Hash Functions

md5 6863ffc03bb9c491e0be5c67068be520
sha1 71c68900af53a5f7ad7b1303eb58dc7a9b972514
sha256 9618edabc8dbb7e760ef2abf3fb459e1a6b4d4a455c3ba6eb8c9527c0d5cde0f
sha512 24ab5e9e8601f138d16f60672f8d99dec887448c2ca8fd4ea30376d79e2b2191fda58e92cb91b1375d66b1467f85b227429363de2b1162face5f5c32d098168e
ripemd-160 3d413cf72ff20bea5d04e726c5616d7be847634f

16421818 as geometric shapes

Circle

Radius = n
Diameter 32843636
Circumference 103181325.57478
Area 8.4721247479387E+14

Sphere

Radius = n
Volume 1.8550358757859E+22
Surface area 3.3888498991755E+15
Circumference 103181325.57478

Square

Length = n
Perimeter 65687272
Area 269676106425124
Diagonal 23223957.734423

Cube

Length = n
Surface area 1618056638550744
Volume 4.428571938662E+21
Space diagonal 28443423.128649

Equilateral Triangle

Length = n
Perimeter 49265454
Area 1.1677317947892E+14
Altitude 14221711.564325

Triangular Pyramid

Length = n
Surface area 1.1677317947892E+14
Volume 5.2191220813339E+20
Height 7741319.2448075