18221640 (number)

18221640 is an even 8-digits composite number following 18221639 and preceding 18221641. In scientific notation, it is written as 1.8221640 × 10^7. The sum of its digits is 24. It has a total of 5 prime factors and 16 positive divisors. There are 4859072 positive integers (up to 18221640) that are relatively prime to 18221640.

Interesting facts

Basic properties

Name

Name eighteen million two hundred twenty-one thousand six hundred forty

Notation

Scientific notation 1.8221640 × 10^7
Engineering notation 1.8221640 × 10^6

Prime Factorization of 18221640

Prime Factorization 2 × 2 × 2 × 15 × 151847

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 4555410
Product of the distinct prime numbers

The prime factorization of 18221640 is 2 × 2 × 2 × 15 × 151847. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18221640)

Multiplication

n×y
n×2 36443280
n×3 54664920
n×4 72886560
n×5 91108200

Division

n÷y
n÷2 9110820
n÷3 6073880
n÷3 4555410
n÷5 3644328

Exponentiation

ny
n2 332028164289600
n3 6.0500976795459E+21
n4 1.1024270188152E+29
n5 2.0088028263124E+36

Nth Root

y√n
2√n 4268.6812952011
3√n 263.14542310018
4√n 65.335145941531
5√n 28.321580937862

Divisors of 18221640

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 -18221639
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 18221640 can be divided by 16 positive divisors. The sum of these divisors (counting 18221640) is 1, the average is 0.0625.

Base conversion 18221640

Base System Value
2 Binary 1000101100000101001001000
3 Ternary 1021021202101120
4 Quaternary 1011200221020
5 Quinary 14131043030
6 Senary 1450315240
8 Octal 105405110
10 Decimal 18221640
12 Duodecimal 6128b20
16 Hexadecimal 1160a48
20 Vigesimal 5dhe20
36 Base36 aujwo

Cryptographic Hash Functions

md5 2efafa84107e194c70cdaae0aa749183
sha1 ca975508f5d7c9aae3fa16cf302bc743a281aae9
sha256 38793a4309241b6dcab7966dbf4d12d1f8ea0ceb04a2625a98ed12da324fe3d0
sha512 1ae505f7aec3199db1c7045e79c40e43e095bf53d4828f5afef14f4fdfe5a193417c717c32a4a7542c853ade100ea5e9759f8b2b7d08e8c590519185c3ddedbf
ripemd-160 ef963574979060ebf61d5d6881b60fb6d8902243

18221640 as geometric shapes

Circle

Radius = n
Diameter 36443280
Circumference 114489940.72072
Area 1.0430972417171E+15

Sphere

Radius = n
Volume 2.5342589898083E+22
Surface area 4.1723889668684E+15
Circumference 114489940.72072

Square

Length = n
Perimeter 72886560
Area 332028164289600
Diagonal 25769290.41668

Cube

Length = n
Surface area 1992168985737600
Volume 6.0500976795459E+21
Space diagonal 31560806.277229

Equilateral Triangle

Length = n
Perimeter 54664920
Area 1.4377241252335E+14
Altitude 15780403.138615

Triangular Pyramid

Length = n
Surface area 1.4377241252335E+14
Volume 7.1301084934132E+20
Height 8589763.4722267