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

18390985 (number)

18390985 is an odd 8-digits composite number following 18390984 and preceding 18390986. In scientific notation, it is written as 1.8390985 × 10^7. The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors. There are 14664240 positive integers (up to 18390985) that are relatively prime to 18390985.

Interesting facts

18390985 has 8 divisors, whose sum is 22142016
The reverse of 18390985 is 58909381
Previous prime number is 311

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7

Name

Name	eighteen million three hundred ninety thousand nine hundred eighty-five

Notation

Scientific notation	1.8390985 × 10^7
Engineering notation	1.8390985 × 10^6

Prime Factorization of 18390985

Prime Factorization 5 × 311 × 11827

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	18390985	Product of the distinct prime numbers

The prime factorization of 18390985 is 5 × 311 × 11827. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 4, 24, 49, 399, 716, 6592, 6850, 25216, 68646, 634446, 830652, 3500483, 5579007, 9931381, 59693511, 361485400, 44124718, 5436153718, 2808080047

Basic calculations (n = 18390985)

Multiplication

n×y

n×2	36781970
n×3	55172955
n×4	73563940
n×5	91954925

Division

n÷y

n÷2	9195492.5
n÷3	6130328.3333333
n÷3	4597746.25
n÷5	3678197

Exponentiation

n^y

n²	338228329270225
n³	6.2203521301838E+21
n⁴	1.1439840272093E+29
n⁵	2.1038993084645E+36

Nth Root

^y√n

²√n	4288.4711728074
³√n	263.95810189851
⁴√n	65.48641975866
⁵√n	28.374028330974

Divisors of 18390985

1, 5, 311, 1555, 11827, 59135, 3678197, 18390985

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	-18390984	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 18390985 can be divided by 8 positive divisors. The sum of these divisors (counting 18390985) is 1, the average is 0.125.

Base conversion 18390985

Base	System	Value
2	Binary	1000110001001111111001001
3	Ternary	1021121100200121
4	Quaternary	1012021333021
5	Quinary	14202002420
6	Senary	1454103241
8	Octal	106117711
10	Decimal	18390985
12	Duodecimal	61aab21
16	Hexadecimal	1189fc9
20	Vigesimal	5eih95
36	Base36	ay6kp

Cryptographic Hash Functions

md5	a62cd659e36a4b59a31198bff5e18e86
sha1	581c12a7be66f4398814c5159c1815555c3b4827
sha256	5e4e4fdb04159e045bba30630928d984ad3c2aaf4fbcf9bf4de14583ab00159e
sha512	20650d7e234b4ec5b06f50c7320b0b3468b197a2a0b254c668e3309c8ced9bd28e88936cb74cac41d0df4fc210cad1ecf9713b658e10e5e9be126bb175ba50dc
ripemd-160	4f50835f19f3935b368f85f5a70ef88aa3e5cd47

18390985 as geometric shapes

Circle

Radius = n

Diameter	36781970
Circumference	115553966.73656
Area	1.0625756344713E+15

Sphere

Radius = n

Volume	2.6055750073236E+22
Surface area	4.2503025378852E+15
Circumference	115553966.73656

Square

Length = n

Perimeter	73563940
Area	338228329270225
Diagonal	26008780.4124

Cube

Length = n

Surface area	2029369975621350
Volume	6.2203521301838E+21
Space diagonal	31854120.421237

Equilateral Triangle

Length = n

Perimeter	55172955
Area	1.4645716271379E+14
Altitude	15927060.210619

Triangular Pyramid

Length = n

Surface area	1.4645716271379E+14
Volume	7.3307552877019E+20
Height	8669593.4708001