18315021 (number)

18315021 is an odd 8-digits composite number following 18315020 and preceding 18315022. In scientific notation, it is written as 1.8315021 × 10^7. The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors. There are 12210012 positive integers (up to 18315021) that are relatively prime to 18315021.

Interesting facts

Basic properties

Name

Name eighteen million three hundred fifteen thousand twenty-one

Notation

Scientific notation 1.8315021 × 10^7
Engineering notation 1.8315021 × 10^6

Prime Factorization of 18315021

Prime Factorization 3 × 6105007

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18315021
Product of the distinct prime numbers

The prime factorization of 18315021 is 3 × 6105007. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 10, 72, 92, 901, 422, 2817, 7245, 4154, 6502, 70256, 226098, 2501717, 4590447, 58039478, 3710063, 190711132, 478548552, 5053197822, 1996776762

Basic calculations (n = 18315021)

Multiplication

n×y
n×2 36630042
n×3 54945063
n×4 73260084
n×5 91575105

Division

n÷y
n÷2 9157510.5
n÷3 6105007
n÷3 4578755.25
n÷5 3663004.2

Exponentiation

ny
n2 335439994230441
n3 6.1435905385704E+21
n4 1.1251998972932E+29
n5 2.0608059748122E+36

Nth Root

y√n
2√n 4279.6052388042
3√n 263.59417388145
4√n 65.418691815139
5√n 28.350549711414

Divisors of 18315021

1, 3, 6105007, 18315021

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 -18315020
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 18315021 can be divided by 4 positive divisors. The sum of these divisors (counting 18315021) is 1, the average is 0.25.

Base conversion 18315021

Base System Value
2 Binary 1000101110111011100001101
3 Ternary 1021110111111010
4 Quaternary 1011313130031
5 Quinary 14142040041
6 Senary 1452315433
8 Octal 105673415
10 Decimal 18315021
12 Duodecimal 6172b79
16 Hexadecimal 117770d
20 Vigesimal 5e97b1
36 Base36 awjyl

Cryptographic Hash Functions

md5 629879567203799fa799645913d9a881
sha1 93febab0f98379d7f48f3f602433ccbb2160102d
sha256 68702ad4a5fdc9519db5095e0424c350c6ae350c284e0d38513488d5315ffd49
sha512 cdc1f03c244573faab296a43d23776cf2e4255652f27986d7926aae612d954ec7b4f33d1739f63e9b3484606e2b48d31c1b0cd065e65accf48a2cc1384773fbc
ripemd-160 0f375868b40984a7a7fd26c88b393967724ba73f

18315021 as geometric shapes

Circle

Radius = n
Diameter 36630042
Circumference 115076670.84789
Area 1.0538158215946E+15

Sphere

Radius = n
Volume 2.5734211870182E+22
Surface area 4.2152632863782E+15
Circumference 115076670.84789

Square

Length = n
Perimeter 73260084
Area 335439994230441
Diagonal 25901351.093348

Cube

Length = n
Surface area 2012639965382646
Volume 6.1435905385704E+21
Space diagonal 31722546.913691

Equilateral Triangle

Length = n
Perimeter 54945063
Area 1.4524977822443E+14
Altitude 15861273.456845

Triangular Pyramid

Length = n
Surface area 1.4524977822443E+14
Volume 7.2402908844277E+20
Height 8633783.6977827