18449421 (number)

18449421 is an odd 8-digits composite number following 18449420 and preceding 18449422. In scientific notation, it is written as 1.8449421 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 11793600 positive integers (up to 18449421) that are relatively prime to 18449421.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8449421 × 10^7
Engineering notation 1.8449421 × 10^6

Prime Factorization of 18449421

Prime Factorization 3 × 37 × 71 × 2341

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18449421
Product of the distinct prime numbers

The prime factorization of 18449421 is 3 × 37 × 71 × 2341. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18449421)

Multiplication

n×y
n×2 36898842
n×3 55348263
n×4 73797684
n×5 92247105

Division

n÷y
n÷2 9224710.5
n÷3 6149807
n÷3 4612355.25
n÷5 3689884.2

Exponentiation

ny
n2 340381135235241
n3 6.2798348644129E+21
n4 1.1585931722403E+29
n5 2.1375373202387E+36

Nth Root

y√n
2√n 4295.2789199306
3√n 264.23737545777
4√n 65.538377458788
5√n 28.392036734295

Divisors of 18449421

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 -18449420
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 18449421 can be divided by 16 positive divisors. The sum of these divisors (counting 18449421) is 1, the average is 0.0625.

Base conversion 18449421

Base System Value
2 Binary 1000110011000010000001101
3 Ternary 1021201022211220
4 Quaternary 1012120100031
5 Quinary 14210340141
6 Senary 1455233553
8 Octal 106302015
10 Decimal 18449421
12 Duodecimal 62188b9
16 Hexadecimal 119840d
20 Vigesimal 5f63b1
36 Base36 azfnx

Cryptographic Hash Functions

md5 5338aa4878bb22a73d639f421408039b
sha1 d0a499afc51eec204f137772906f19e57b55b458
sha256 0380e6893ebecaa0a2ac80247f2ee5f44d5c6ea9de6d447c868e770a2b174318
sha512 9882a59b6ecf1a76bc8295a8db5008588c3f9695d86c0608a01414aedb6e056c80dc6cd207c0249e18a1f5b30ac816f5dcc2e1830f4444df71762ec4ce7aa337
ripemd-160 8d83183a08cc6d650136aafac3307e30c3518d36

18449421 as geometric shapes

Circle

Radius = n
Diameter 36898842
Circumference 115921130.95317
Area 1.0693388738756E+15

Sphere

Radius = n
Volume 2.6304910767729E+22
Surface area 4.2773554955023E+15
Circumference 115921130.95317

Square

Length = n
Perimeter 73797684
Area 340381135235241
Diagonal 26091421.396131

Cube

Length = n
Surface area 2042286811411446
Volume 6.2798348644129E+21
Space diagonal 31955334.542228

Equilateral Triangle

Length = n
Perimeter 55348263
Area 1.4738935504135E+14
Altitude 15977667.271114

Triangular Pyramid

Length = n
Surface area 1.4738935504135E+14
Volume 7.4008563622634E+20
Height 8697140.465377