Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

18042021 (number)

18042021 is an odd 8-digits composite number following 18042020 and preceding 18042022. In scientific notation, it is written as 1.8042021 × 10^7. The sum of its digits is 18. It has a total of 4 prime factors and 14 positive divisors. There are 12027528 positive integers (up to 18042021) that are relatively prime to 18042021.

Interesting facts

18042021 has 14 divisors, whose sum is 27051750
The reverse of 18042021 is 12024081
Previous prime number is 9

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9

Name

Name	eighteen million forty-two thousand twenty-one

Notation

Scientific notation	1.8042021 × 10^7
Engineering notation	1.8042021 × 10^6

Prime Factorization of 18042021

Prime Factorization 27 × 3 × 9 × 24749

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	18042021	Product of the distinct prime numbers

The prime factorization of 18042021 is 27 × 3 × 9 × 24749. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 2, 80, 8, 1000, 730, 8455, 2491, 36471, 12735, 772787, 419335, 772667, 7626209, 67545403, 11392475, 175419131, 652869845, 5035494286, 9873208655

Basic calculations (n = 18042021)

Multiplication

n×y

n×2	36084042
n×3	54126063
n×4	72168084
n×5	90210105

Division

n÷y

n÷2	9021010.5
n÷3	6014007
n÷3	4510505.25
n÷5	3608404.2

Exponentiation

n^y

n²	325514521764441
n³	5.872939837479E+21
n⁴	1.0595970387953E+29
n⁵	1.9117272025483E+36

Nth Root

^y√n

²√n	4247.5900225893
³√n	262.27791828863
⁴√n	65.173537747995
⁵√n	28.265523724281

Divisors of 18042021

1, 3, 9, 27, 81, 243, 729, 24749, 74247, 222741, 668223, 2004669, 6014007, 18042021

14 divisors

τ	Total Divisors	14	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-18042020	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.071428571428571	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	14	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18042021 can be divided by 14 positive divisors. The sum of these divisors (counting 18042021) is 1, the average is 0.071428571428571.

Base conversion 18042021

Base	System	Value
2	Binary	1000100110100110010100101
3	Ternary	1020221122000000
4	Quaternary	1010310302211
5	Quinary	14104321041
6	Senary	1442411513
8	Octal	104646245
10	Decimal	18042021
12	Duodecimal	6060b99
16	Hexadecimal	1134ca5
20	Vigesimal	5cf511
36	Base36	aqpb9

Cryptographic Hash Functions

md5	ab33828cbc02168c501b4011325edf7e
sha1	1f35d18ac84fb471e967e96231105e550ab6d556
sha256	74435452c927a86348f507a4eee04feda7cad2935b1b0aaba784084619705f7e
sha512	1440646c92fe40c7da56a502e594fd23a8bbd92c6ac99a5feebc896c54a9c7329b36f2f7c89d82eec54dd9f1ae030dabb72c145b50b172f0be4ee39b0d6f2c11
ripemd-160	a8ca63f3de81f15cbc6b422e072cb33e8e136b74

18042021 as geometric shapes

Circle

Radius = n

Diameter	36084042
Circumference	113361361.25903
Area	1.022634030212E+15

Sphere

Radius = n

Volume	2.4600512864532E+22
Surface area	4.0905361208479E+15
Circumference	113361361.25903

Square

Length = n

Perimeter	72168084
Area	325514521764441
Diagonal	25515270.79082

Cube

Length = n

Surface area	1953087130586646
Volume	5.872939837479E+21
Space diagonal	31249697.043225

Equilateral Triangle

Length = n

Perimeter	54126063
Area	1.4095192257437E+14
Altitude	15624848.521612

Triangular Pyramid

Length = n

Surface area	1.4095192257437E+14
Volume	6.9213259743034E+20
Height	8505090.2636067