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

18389942 (number)

18389942 is an even 8-digits composite number following 18389941 and preceding 18389943. In scientific notation, it is written as 1.8389942 × 10^7. The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors. There are 9194970 positive integers (up to 18389942) that are relatively prime to 18389942.

Interesting facts

18389942 has 4 divisors, whose sum is 27584916
The reverse of 18389942 is 24998381
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 44
Digital Root 8

Name

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

Notation

Scientific notation	1.8389942 × 10^7
Engineering notation	1.8389942 × 10^6

Prime Factorization of 18389942

Prime Factorization 2 × 9194971

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	18389942	Product of the distinct prime numbers

The prime factorization of 18389942 is 2 × 9194971. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 1, 47, 77, 499, 130, 4229, 9713, 42730, 42090, 975536, 656837, 9674758, 523041, 24794079, 46808410, 588995124, 751331039, 3572290837, 1887165440

Basic calculations (n = 18389942)

Multiplication

n×y

n×2	36779884
n×3	55169826
n×4	73559768
n×5	91949710

Division

n÷y

n÷2	9194971
n÷3	6129980.6666667
n÷3	4597485.5
n÷5	3677988.4

Exponentiation

n^y

n²	338189966763364
n³	6.2192938737602E+21
n⁴	1.1437245361941E+29
n⁵	2.1033027884586E+36

Nth Root

^y√n

²√n	4288.3495659752
³√n	263.95311189019
⁴√n	65.485491263143
⁵√n	28.373706490866

Divisors of 18389942

1, 2, 9194971, 18389942

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	-18389941	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 18389942 can be divided by 4 positive divisors. The sum of these divisors (counting 18389942) is 1, the average is 0.25.

Base conversion 18389942

Base	System	Value
2	Binary	1000110001001101110110110
3	Ternary	1021121022020222
4	Quaternary	1012021232312
5	Quinary	14201434232
6	Senary	1454054342
8	Octal	106115666
10	Decimal	18389942
12	Duodecimal	61aa3b2
16	Hexadecimal	1189bb6
20	Vigesimal	5eieh2
36	Base36	ay5rq

Cryptographic Hash Functions

md5	2739668e7e77c40011c7624ac35b6455
sha1	3bed4daa90e81e3736b79b0dca7e0b8d8debd7dd
sha256	977428feda422460fa212f4595b3e1976444ad054d25b5a4913c25545121612d
sha512	74db8726eb4ff90e5960b0251e54f53c672564bef123f977c89012099d980ee761f2c45468ed0c22f8650976bf74fc704a094179940dd1b480fad4b4712ad674
ripemd-160	1ccfff4b0da7141b76fe245120d749717bf321a9

18389942 as geometric shapes

Circle

Radius = n

Diameter	36779884
Circumference	115547413.37428
Area	1.0624551151016E+15

Sphere

Radius = n

Volume	2.6051317259095E+22
Surface area	4.2498204604062E+15
Circumference	115547413.37428

Square

Length = n

Perimeter	73559768
Area	338189966763364
Diagonal	26007305.387655

Cube

Length = n

Surface area	2029139800580184
Volume	6.2192938737602E+21
Space diagonal	31852313.892245

Equilateral Triangle

Length = n

Perimeter	55169826
Area	1.4644055126104E+14
Altitude	15926156.946122

Triangular Pyramid

Length = n

Surface area	1.4644055126104E+14
Volume	7.3295081205463E+20
Height	8669101.7958849