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

18442990 (number)

18442990 is an even 8-digits composite number following 18442989 and preceding 18442991. In scientific notation, it is written as 1.8442990 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 7377192 positive integers (up to 18442990) that are relatively prime to 18442990.

Interesting facts

18442990 has 8 divisors, whose sum is 33197400
The reverse of 18442990 is 09924481
Previous prime number is 5

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1

Name

Name	eighteen million four hundred forty-two thousand nine hundred ninety

Notation

Scientific notation	1.8442990 × 10^7
Engineering notation	1.8442990 × 10^6

Prime Factorization of 18442990

Prime Factorization 2 × 5 × 1844299

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	18442990	Product of the distinct prime numbers

The prime factorization of 18442990 is 2 × 5 × 1844299. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 7, 91, 82, 494, 464, 9684, 5321, 59414, 7999, 116576, 383984, 9908027, 8482447, 86886205, 59946048, 453804710, 916081600, 1339091243, 1175585531

Basic calculations (n = 18442990)

Multiplication

n×y

n×2	36885980
n×3	55328970
n×4	73771960
n×5	92214950

Division

n÷y

n÷2	9221495
n÷3	6147663.3333333
n÷3	4610747.5
n÷5	3688598

Exponentiation

n^y

n²	340143880140100
n³	6.2732701799851E+21
n⁴	1.1569785919676E+29
n⁵	2.1338144601873E+36

Nth Root

^y√n

²√n	4294.5302420637
³√n	264.20666974176
⁴√n	65.532665458256
⁵√n	28.390057109548

Divisors of 18442990

1, 2, 5, 10, 1844299, 3688598, 9221495, 18442990

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-18442989	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18442990 can be divided by 8 positive divisors. The sum of these divisors (counting 18442990) is 1, the average is 0.125.

Base conversion 18442990

Base	System	Value
2	Binary	1000110010110101011101110
3	Ternary	1021201000000201
4	Quaternary	1012112223232
5	Quinary	14210133430
6	Senary	1455144114
8	Octal	106265356
10	Decimal	18442990
12	Duodecimal	621503a
16	Hexadecimal	1196aee
20	Vigesimal	5f579a
36	Base36	azapa

Cryptographic Hash Functions

md5	64a3594ce30b7887f45385d65b063c61
sha1	57952f82f4ac7f1f6acae36718a8ea0c8a84dc42
sha256	244190405e5cdae7e43150047313e1430a8b735fc74ab089f7c9c6061ef7b814
sha512	2e3c5c20edd2e6598df9ae85eeaedd73c351a0458856085b3905637a0cb649d8737f9e68c887c0719b842ea25de0257b3e978b86e24a2a832ae4e4ed52d6b4a2
ripemd-160	a09de987459323cf60ad4ccfaa92d0e14c386920

18442990 as geometric shapes

Circle

Radius = n

Diameter	36885980
Circumference	115880723.78846
Area	1.0685935150117E+15

Sphere

Radius = n

Volume	2.62774126819E+22
Surface area	4.2743740600467E+15
Circumference	115880723.78846

Square

Length = n

Perimeter	73771960
Area	340143880140100
Diagonal	26082326.588711

Cube

Length = n

Surface area	2040863280840600
Volume	6.2732701799851E+21
Space diagonal	31944195.723485

Equilateral Triangle

Length = n

Perimeter	55328970
Area	1.4728662057157E+14
Altitude	15972097.861742

Triangular Pyramid

Length = n

Surface area	1.4728662057157E+14
Volume	7.3931198074713E+20
Height	8694108.8629038