18221639 (number)

18221639 is an odd 8-digits composite number following 18221638 and preceding 18221640. In scientific notation, it is written as 1.8221639 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 17965152 positive integers (up to 18221639) that are relatively prime to 18221639.

Interesting facts

Basic properties

Name

Name eighteen million two hundred twenty-one thousand six hundred thirty-nine

Notation

Scientific notation 1.8221639 × 10^7
Engineering notation 1.8221639 × 10^6

Prime Factorization of 18221639

Prime Factorization 479 × 349 × 109

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18221639
Product of the distinct prime numbers

The prime factorization of 18221639 is 479 × 349 × 109. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18221639)

Multiplication

n×y
n×2 36443278
n×3 54664917
n×4 72886556
n×5 91108195

Division

n÷y
n÷2 9110819.5
n÷3 6073879.6666667
n÷3 4555409.75
n÷5 3644327.8

Exponentiation

ny
n2 332028127846321
n3 6.0500966834615E+21
n4 1.1024267768113E+29
n5 2.008802275099E+36

Nth Root

y√n
2√n 4268.6811780689
3√n 263.14541828639
4√n 65.335145045136
5√n 28.321580627005

Divisors of 18221639

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18221638
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18221639 can be divided by 8 positive divisors. The sum of these divisors (counting 18221639) is 1, the average is 0.125.

Base conversion 18221639

Base System Value
2 Binary 1000101100000101001000111
3 Ternary 1021021202101112
4 Quaternary 1011200221013
5 Quinary 14131043024
6 Senary 1450315235
8 Octal 105405107
10 Decimal 18221639
12 Duodecimal 6128b1b
16 Hexadecimal 1160a47
20 Vigesimal 5dhe1j
36 Base36 aujwn

Cryptographic Hash Functions

md5 8d150aa4fa98d981c9b2b95b753989b7
sha1 0235134ed1038bf3139465b7fb5ad79130b27c6e
sha256 43afed52d1c837f41f428641353857ff5962e26605e6b460bc9290011b41598b
sha512 5cc2f8e3d0a83e9b2062c520fefb54094ebacb16cbc65656e0e4ceedc67268c27a3d3891485ec60e57ce63abeeeed55b05aec7c8de1b9a0d25bc5edf79160f57
ripemd-160 18c963012020dc9f659de417a4ddc264c7a49f88

18221639 as geometric shapes

Circle

Radius = n
Diameter 36443278
Circumference 114489934.43753
Area 1.0430971272272E+15

Sphere

Radius = n
Volume 2.5342585725694E+22
Surface area 4.1723885089087E+15
Circumference 114489934.43753

Square

Length = n
Perimeter 72886556
Area 332028127846321
Diagonal 25769289.002467

Cube

Length = n
Surface area 1992168767077926
Volume 6.0500966834615E+21
Space diagonal 31560804.545179

Equilateral Triangle

Length = n
Perimeter 54664917
Area 1.4377239674295E+14
Altitude 15780402.272589

Triangular Pyramid

Length = n
Surface area 1.4377239674295E+14
Volume 7.1301073195165E+20
Height 8589763.0008222