18089721 (number)

18089721 is an odd 8-digits composite number following 18089720 and preceding 18089722. In scientific notation, it is written as 1.8089721 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors. There are 11132064 positive integers (up to 18089721) that are relatively prime to 18089721.

Interesting facts

Basic properties

Name

Name eighteen million eighty-nine thousand seven hundred twenty-one

Notation

Scientific notation 1.8089721 × 10^7
Engineering notation 1.8089721 × 10^6

Prime Factorization of 18089721

Prime Factorization 3 × 3 × 13 × 154613

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 6029907
Product of the distinct prime numbers

The prime factorization of 18089721 is 3 × 3 × 13 × 154613. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 9, 12, 86, 508, 238, 3739, 4530, 55016, 54003, 803175, 103, 6344473, 2287675, 9531003, 43374544, 41833437, 250981714, 5212307730, 5809592138

Basic calculations (n = 18089721)

Multiplication

n×y
n×2 36179442
n×3 54269163
n×4 72358884
n×5 90448605

Division

n÷y
n÷2 9044860.5
n÷3 6029907
n÷3 4522430.25
n÷5 3617944.2

Exponentiation

ny
n2 327238005857841
n3 5.9196442265647E+21
n4 1.0708471247782E+29
n5 1.9371325720889E+36

Nth Root

y√n
2√n 4253.2012649297
3√n 262.50885412312
4√n 65.216572011489
5√n 28.280453780138

Divisors of 18089721

1, 3, 9, 13, 39, 117, 154613, 463839, 1391517, 2009969, 6029907, 18089721

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18089720
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18089721 can be divided by 12 positive divisors. The sum of these divisors (counting 18089721) is 1, the average is 0.083333333333333.

Base conversion 18089721

Base System Value
2 Binary 1000101000000011011111001
3 Ternary 1021001001102200
4 Quaternary 1011000123321
5 Quinary 14112332341
6 Senary 1443420413
8 Octal 105003371
10 Decimal 18089721
12 Duodecimal 6084709
16 Hexadecimal 11406f9
20 Vigesimal 5d1461
36 Base36 arq49

Cryptographic Hash Functions

md5 f6da0d332d9b8b431ab9873ccc216f40
sha1 eafec014a2abba12b22b76a1484830a735317394
sha256 3002f84b203f011ed7d1e57719b1eed05b9f1ce4d8be3d6ff2415e66cb1a1460
sha512 997dff66f7afa69a84c860b53d1e2c88ec101eeaa8bb03e3bd0540121a9d325bafde4883925cbc3004be4f780dc437d1a8bdd42e5e5f80478da0620912b04e9b
ripemd-160 ab9e65ba8b983ba27e7b383a42b25eca6434cbf4

18089721 as geometric shapes

Circle

Radius = n
Diameter 36179442
Circumference 113661069.19818
Area 1.0280485151784E+15

Sphere

Radius = n
Volume 2.4796147752055E+22
Surface area 4.1121940607135E+15
Circumference 113661069.19818

Square

Length = n
Perimeter 72358884
Area 327238005857841
Diagonal 25582728.777745

Cube

Length = n
Surface area 1963428035147046
Volume 5.9196442265647E+21
Space diagonal 31332315.866746

Equilateral Triangle

Length = n
Perimeter 54269163
Area 1.4169821307833E+14
Altitude 15666157.933373

Triangular Pyramid

Length = n
Surface area 1.4169821307833E+14
Volume 6.9763676246928E+20
Height 8527576.2592485