18082021 (number)

18082021 is an odd 8-digits composite number following 18082020 and preceding 18082022. In scientific notation, it is written as 1.8082021 × 10^7. The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors. There are 17498700 positive integers (up to 18082021) that are relatively prime to 18082021.

Interesting facts

Basic properties

Name

Name eighteen million eighty-two thousand twenty-one

Notation

Scientific notation 1.8082021 × 10^7
Engineering notation 1.8082021 × 10^6

Prime Factorization of 18082021

Prime Factorization 31 × 583291

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18082021
Product of the distinct prime numbers

The prime factorization of 18082021 is 31 × 583291. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 6, 70, 7, 306, 594, 3058, 6527, 89668, 22760, 959378, 623873, 6560152, 4970725, 93326711, 111434, 384113741, 176145261, 5377196987, 7528728837

Basic calculations (n = 18082021)

Multiplication

n×y
n×2 36164042
n×3 54246063
n×4 72328084
n×5 90410105

Division

n÷y
n÷2 9041010.5
n÷3 6027340.3333333
n÷3 4520505.25
n÷5 3616404.2

Exponentiation

ny
n2 326959483444441
n3 5.9120882457915E+21
n4 1.0690250381426E+29
n5 1.933013318922E+36

Nth Root

y√n
2√n 4252.2959680624
3√n 262.4716026726
4√n 65.209630945608
5√n 28.278045820614

Divisors of 18082021

1, 31, 583291, 18082021

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 -18082020
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 18082021 can be divided by 4 positive divisors. The sum of these divisors (counting 18082021) is 1, the average is 0.25.

Base conversion 18082021

Base System Value
2 Binary 1000100111110100011100101
3 Ternary 1021000122212111
4 Quaternary 1010332203211
5 Quinary 14112111041
6 Senary 1443321021
8 Octal 104764345
10 Decimal 18082021
12 Duodecimal 6080171
16 Hexadecimal 113e8e5
20 Vigesimal 5d0511
36 Base36 ark6d

Cryptographic Hash Functions

md5 00dd6b3c274e3c29318b467def7d6362
sha1 5d0e2c1a8b6d86628cc2803b3f690771d6b55019
sha256 e7e8c086767cc155e686bd053e5a8e97ada120ad8c884175dbcb21bdeec4e5c6
sha512 91546baa686c6609dd0391ae0684073e1e3a12bee85a9c6cc65e9b399d1cb2e198c0290299a4acb2f013288b875f646e1af19b57a3a242ca3b8115540eabf75f
ripemd-160 02c2df7b258770772816706c35ea9363c15e394a

18082021 as geometric shapes

Circle

Radius = n
Diameter 36164042
Circumference 113612688.67131
Area 1.0271735112106E+15

Sphere

Radius = n
Volume 2.4764497333804E+22
Surface area 4.1086940448423E+15
Circumference 113612688.67131

Square

Length = n
Perimeter 72328084
Area 326959483444441
Diagonal 25571839.333315

Cube

Length = n
Surface area 1961756900666646
Volume 5.9120882457915E+21
Space diagonal 31318979.075527

Equilateral Triangle

Length = n
Perimeter 54246063
Area 1.4157760933556E+14
Altitude 15659489.537764

Triangular Pyramid

Length = n
Surface area 1.4157760933556E+14
Volume 6.9674628159541E+20
Height 8523946.4444384