18054987 (number)

18054987 is an odd 8-digits composite number following 18054986 and preceding 18054988. In scientific notation, it is written as 1.8054987 × 10^7. The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors. There are 12036656 positive integers (up to 18054987) that are relatively prime to 18054987.

Interesting facts

Basic properties

Name

Name eighteen million fifty-four thousand nine hundred eighty-seven

Notation

Scientific notation 1.8054987 × 10^7
Engineering notation 1.8054987 × 10^6

Prime Factorization of 18054987

Prime Factorization 3 × 6018329

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18054987
Product of the distinct prime numbers

The prime factorization of 18054987 is 3 × 6018329. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18054987)

Multiplication

n×y
n×2 36109974
n×3 54164961
n×4 72219948
n×5 90274935

Division

n÷y
n÷2 9027493.5
n÷3 6018329
n÷3 4513746.75
n÷5 3610997.4

Exponentiation

ny
n2 325982555570169
n3 5.8856108030462E+21
n4 1.0626462653606E+29
n5 1.9186064506684E+36

Nth Root

y√n
2√n 4249.1160257164
3√n 262.34073241148
4√n 65.185243926186
5√n 28.269585192492

Divisors of 18054987

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 -18054986
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 18054987 can be divided by 4 positive divisors. The sum of these divisors (counting 18054987) is 1, the average is 0.25.

Base conversion 18054987

Base System Value
2 Binary 1000100110111111101001011
3 Ternary 1020222021210020
4 Quaternary 1010313331023
5 Quinary 14110224422
6 Senary 1442551523
8 Octal 104677513
10 Decimal 18054987
12 Duodecimal 60685a3
16 Hexadecimal 1137f4b
20 Vigesimal 5cgh97
36 Base36 aqzbf

Cryptographic Hash Functions

md5 85c30715f7e6c2c201da11f119f81241
sha1 f1c03696eced77c4eade452e098ea626ecad13a1
sha256 9e87f72aa5cbaccc2014190aeeb6cc81e4b96b5806137a427f38479dae77eaae
sha512 98a327dba0eb6c142f6d4c94d3cdcb0646584a4068a64151ca3190ce44c4058273fa4e877d5b9926782502b3e4dd4ec636dfc1224e10ad7e58bca4e4c870c846
ripemd-160 63fdf4afe7162b9d906e48f3ff2863fa49ae2436

18054987 as geometric shapes

Circle

Radius = n
Diameter 36109974
Circumference 113442829.03972
Area 1.0241044017777E+15

Sphere

Radius = n
Volume 2.4653588880985E+22
Surface area 4.0964176071107E+15
Circumference 113442829.03972

Square

Length = n
Perimeter 72219948
Area 325982555570169
Diagonal 25533607.48387

Cube

Length = n
Surface area 1955895333421014
Volume 5.8856108030462E+21
Space diagonal 31272154.813996

Equilateral Triangle

Length = n
Perimeter 54164961
Area 1.4115458715717E+14
Altitude 15636077.406998

Triangular Pyramid

Length = n
Surface area 1.4115458715717E+14
Volume 6.9362588504313E+20
Height 8511202.4946233