18841421 (number)

18841421 is an odd 8-digits composite number following 18841420 and preceding 18841422. In scientific notation, it is written as 1.8841421 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 18602844 positive integers (up to 18841421) that are relatively prime to 18841421.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8841421 × 10^7
Engineering notation 1.8841421 × 10^6

Prime Factorization of 18841421

Prime Factorization 79 × 238499

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18841421
Product of the distinct prime numbers

The prime factorization of 18841421 is 79 × 238499. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18841421)

Multiplication

n×y
n×2 37682842
n×3 56524263
n×4 75365684
n×5 94207105

Division

n÷y
n÷2 9420710.5
n÷3 6280473.6666667
n÷3 4710355.25
n÷5 3768284.2

Exponentiation

ny
n2 354999145299241
n3 6.6886883512232E+21
n4 1.2602439316319E+29
n5 2.3744786478572E+36

Nth Root

y√n
2√n 4340.6705703151
3√n 266.09571715015
4√n 65.883765605156
5√n 28.511674922027

Divisors of 18841421

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18841420
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18841421 can be divided by 4 positive divisors. The sum of these divisors (counting 18841421) is 1, the average is 0.25.

Base conversion 18841421

Base System Value
2 Binary 1000111110111111101001101
3 Ternary 1022110020120102
4 Quaternary 1013313331031
5 Quinary 14310411141
6 Senary 1511500445
8 Octal 107677515
10 Decimal 18841421
12 Duodecimal 6387725
16 Hexadecimal 11f7f4d
20 Vigesimal 5hf3b1
36 Base36 b7u4t

Cryptographic Hash Functions

md5 fc5572786451180971c54835d0054b37
sha1 f900a4fcbc685d486a4e6a227264777f4125edda
sha256 efdf511e0040f63d09edf65cbb9add1ff45a19acf63bc9d35291a9857f1c04ad
sha512 8b48180e31721bf1f72062b1ceeaca1dda56984e38edc99c9c1656b345de3ca9174bd232bb9c52872399e6b6d778a6057c137db50d6905f90971f47d8bfb8e46
ripemd-160 01db4d6e131f10a9ac344ea47277e5792e8ac120

18841421 as geometric shapes

Circle

Radius = n
Diameter 37682842
Circumference 118384139.59358
Area 1.1152627069028E+15

Sphere

Radius = n
Volume 2.8017512248472E+22
Surface area 4.461050827611E+15
Circumference 118384139.59358

Square

Length = n
Perimeter 75365684
Area 354999145299241
Diagonal 26645793.112581

Cube

Length = n
Surface area 2129994871795446
Volume 6.6886883512232E+21
Space diagonal 32634298.458795

Equilateral Triangle

Length = n
Perimeter 56524263
Area 1.5371913907545E+14
Altitude 16317149.229398

Triangular Pyramid

Length = n
Surface area 1.5371913907545E+14
Volume 7.8826948173223E+20
Height 8881931.0375271