18226721 (number)

18226721 is an odd 8-digits composite number following 18226720 and preceding 18226722. In scientific notation, it is written as 1.8226721 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 18218052 positive integers (up to 18226721) that are relatively prime to 18226721.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8226721 × 10^7
Engineering notation 1.8226721 × 10^6

Prime Factorization of 18226721

Prime Factorization 5087 × 3583

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18226721
Product of the distinct prime numbers

The prime factorization of 18226721 is 5087 × 3583. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18226721)

Multiplication

n×y
n×2 36453442
n×3 54680163
n×4 72906884
n×5 91133605

Division

n÷y
n÷2 9113360.5
n÷3 6075573.6666667
n÷3 4556680.25
n÷5 3645344.2

Exponentiation

ny
n2 332213358411841
n3 6.0551601962456E+21
n4 1.1036571550727E+29
n5 2.0116051045165E+36

Nth Root

y√n
2√n 4269.2764023895
3√n 263.16987969206
4√n 65.339700048206
5√n 28.323160223864

Divisors of 18226721

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 -18226720
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 18226721 can be divided by 4 positive divisors. The sum of these divisors (counting 18226721) is 1, the average is 0.25.

Base conversion 18226721

Base System Value
2 Binary 1000101100001111000100001
3 Ternary 1021022000100202
4 Quaternary 1011201320201
5 Quinary 14131223341
6 Senary 1450354545
8 Octal 105417041
10 Decimal 18226721
12 Duodecimal 612ba55
16 Hexadecimal 1161e21
20 Vigesimal 5di6g1
36 Base36 auntt

Cryptographic Hash Functions

md5 ba5e753f972f688ad15f1e57686d7943
sha1 5ddb04b323a95b7438343a4bfc089b8246a888d1
sha256 0bb1e41a4b8834bb152133c115e88ffe687b304c7a227ee156a85cd0dcb5534f
sha512 0bfe4ac894900439a91dda7558cae5102d82a350766a6e8eef6db42a0d55074646cc4c0601c0c250d22b9003467f20931d1351c93d910e3bddcf2a240b695268
ripemd-160 5d2b2cdf0ccca010d6db61d3106750edf3cd343d

18226721 as geometric shapes

Circle

Radius = n
Diameter 36453442
Circumference 114521865.58526
Area 1.043679046211E+15

Sphere

Radius = n
Volume 2.5363795718446E+22
Surface area 4.1747161848441E+15
Circumference 114521865.58526

Square

Length = n
Perimeter 72906884
Area 332213358411841
Diagonal 25776476.035791

Cube

Length = n
Surface area 1993280150471046
Volume 6.0551601962456E+21
Space diagonal 31569606.827383

Equilateral Triangle

Length = n
Perimeter 54680163
Area 1.438526039306E+14
Altitude 15784803.413691

Triangular Pyramid

Length = n
Surface area 1.438526039306E+14
Volume 7.1360747265603E+20
Height 8592158.6785968