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

18989842 (number)

18989842 is an even 8-digits composite number following 18989841 and preceding 18989843. In scientific notation, it is written as 1.8989842 × 10^7. The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors. There are 9494920 positive integers (up to 18989842) that are relatively prime to 18989842.

Interesting facts

18989842 has 4 divisors, whose sum is 28484766
The reverse of 18989842 is 24898981
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 49
Digital Root 4

Name

Name	eighteen million nine hundred eighty-nine thousand eight hundred forty-two

Notation

Scientific notation	1.8989842 × 10^7
Engineering notation	1.8989842 × 10^6

Prime Factorization of 18989842

Prime Factorization 2 × 9494921

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	18989842	Product of the distinct prime numbers

The prime factorization of 18989842 is 2 × 9494921. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 2, 87, 79, 243, 723, 1971, 548, 764, 89611, 246616, 21639, 1803295, 9176090, 4928313, 60441775, 411031524, 651236428, 2882846380, 9659648996

Basic calculations (n = 18989842)

Multiplication

n×y

n×2	37979684
n×3	56969526
n×4	75959368
n×5	94949210

Division

n÷y

n÷2	9494921
n÷3	6329947.3333333
n÷3	4747460.5
n÷5	3797968.4

Exponentiation

n^y

n²	360614099184964
n³	6.8480047664948E+21
n⁴	1.3004252853098E+29
n⁵	2.4694870700839E+36

Nth Root

^y√n

²√n	4357.7335852482
³√n	266.79260266888
⁴√n	66.013131915159
⁵√n	28.55645349792

Divisors of 18989842

1, 2, 9494921, 18989842

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	-18989841	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 18989842 can be divided by 4 positive divisors. The sum of these divisors (counting 18989842) is 1, the average is 0.25.

Base conversion 18989842

Base	System	Value
2	Binary	1001000011100001100010010
3	Ternary	1022201210011111
4	Quaternary	1020130030102
5	Quinary	14330133332
6	Senary	1515003534
8	Octal	110341422
10	Decimal	18989842
12	Duodecimal	64395aa
16	Hexadecimal	121c312
20	Vigesimal	5idec2
36	Base36	bb0nm

Cryptographic Hash Functions

md5	ea0a4bbadc0f169a2bb58b42e5fa0e74
sha1	ebe3d8f2a639a416536b51c497095deff6e418f4
sha256	2e8be0bb300ab4301cdaaefefa171b724fc693d1e0465a3dc7da21f2af6c7d7e
sha512	97c768a751f8a7537d7488a2dfdf8d82a57f9006d22311e833e12359d4cdc3c206a07483491e7534736951d81e889fc61a48ae0f40ede614618632848c6a89b2
ripemd-160	ed2186f8f2b9b073efa42c90f27f311f5f026db3

18989842 as geometric shapes

Circle

Radius = n

Diameter	37979684
Circumference	119316696.24006
Area	1.1329026047804E+15

Sphere

Radius = n

Volume	2.8684855288224E+22
Surface area	4.5316104191215E+15
Circumference	119316696.24006

Square

Length = n

Perimeter	75959368
Area	360614099184964
Diagonal	26855692.103722

Cube

Length = n

Surface area	2163684595109784
Volume	6.8480047664948E+21
Space diagonal	32891371.171705

Equilateral Triangle

Length = n

Perimeter	56969526
Area	1.5615048542851E+14
Altitude	16445685.585853

Triangular Pyramid

Length = n

Surface area	1.5615048542851E+14
Volume	8.0704510133105E+20
Height	8951897.3679074