18221520 (number)

18221520 is an even 8-digits composite number following 18221519 and preceding 18221521. In scientific notation, it is written as 1.8221520 × 10^7. The sum of its digits is 21. It has a total of 8 prime factors and 80 positive divisors. There are 4646400 positive integers (up to 18221520) that are relatively prime to 18221520.

Interesting facts

Basic properties

Name

Name eighteen million two hundred twenty-one thousand five hundred twenty

Notation

Scientific notation 1.8221520 × 10^7
Engineering notation 1.8221520 × 10^6

Prime Factorization of 18221520

Prime Factorization 2 × 2 × 2 × 2 × 3 × 5 × 23 × 3301

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 2277690
Product of the distinct prime numbers

The prime factorization of 18221520 is 2 × 2 × 2 × 2 × 3 × 5 × 23 × 3301. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18221520)

Multiplication

n×y
n×2 36443040
n×3 54664560
n×4 72886080
n×5 91107600

Division

n÷y
n÷2 9110760
n÷3 6073840
n÷3 4555380
n÷5 3644304

Exponentiation

ny
n2 332023791110400
n3 6.049978150194E+21
n4 1.1023979786332E+29
n5 2.0087366815625E+36

Nth Root

y√n
2√n 4268.6672393149
3√n 263.14484544416
4√n 65.335038373868
5√n 28.321543634977

Divisors of 18221520

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18221519
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18221520 can be divided by 80 positive divisors. The sum of these divisors (counting 18221520) is 1, the average is 0.0125.

Base conversion 18221520

Base System Value
2 Binary 1000101100000100111010000
3 Ternary 1021021202020010
4 Quaternary 1011200213100
5 Quinary 14131042040
6 Senary 1450314520
8 Octal 105404720
10 Decimal 18221520
12 Duodecimal 6128a40
16 Hexadecimal 11609d0
20 Vigesimal 5dhdg0
36 Base36 aujtc

Cryptographic Hash Functions

md5 883e47f9dd64eca95210a1ae8a9df530
sha1 1dfe5619ac4ecd626c24bcbc906ae15b2798c573
sha256 437c0dc4d531d8bdbeaacd85ca717fa7d6622f689252bf3a8e55f6419933c86a
sha512 282cc9b53dcdc352bb470389d117e7120a04014e2db94af0efc2783f80f5f34f83339014520306daa6160072fc46ce4b1b97c055db31f8a1a46de19fd168916f
ripemd-160 5ec7908458c053597e2f8fd52b1655048c8ef16d

18221520 as geometric shapes

Circle

Radius = n
Diameter 36443040
Circumference 114489186.73848
Area 1.0430835029695E+15

Sphere

Radius = n
Volume 2.5342089214704E+22
Surface area 4.1723340118779E+15
Circumference 114489186.73848

Square

Length = n
Perimeter 72886080
Area 332023791110400
Diagonal 25769120.711053

Cube

Length = n
Surface area 1992142746662400
Volume 6.049978150194E+21
Space diagonal 31560598.431132

Equilateral Triangle

Length = n
Perimeter 54664560
Area 1.4377051888121E+14
Altitude 15780299.215566

Triangular Pyramid

Length = n
Surface area 1.4377051888121E+14
Volume 7.129967626721E+20
Height 8589706.9036842