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

18389985 (number)

18389985 is an odd 8-digits composite number following 18389984 and preceding 18389986. In scientific notation, it is written as 1.8389985 × 10^7. The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors. There are 9807984 positive integers (up to 18389985) that are relatively prime to 18389985.

Interesting facts

18389985 has 8 divisors, whose sum is 29424000
The reverse of 18389985 is 58998381
Previous prime number is 5

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6

Name

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

Notation

Scientific notation	1.8389985 × 10^7
Engineering notation	1.8389985 × 10^6

Prime Factorization of 18389985

Prime Factorization 3 × 5 × 1225999

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	18389985	Product of the distinct prime numbers

The prime factorization of 18389985 is 3 × 5 × 1225999. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 1, 65, 25, 308, 51, 1385, 9417, 97902, 45527, 202164, 171429, 591666, 3646174, 76287731, 30341786, 949024690, 632001941, 159544113, 8559337506

Basic calculations (n = 18389985)

Multiplication

n×y

n×2	36779970
n×3	55169955
n×4	73559940
n×5	91949925

Division

n÷y

n÷2	9194992.5
n÷3	6129995
n÷3	4597496.25
n÷5	3677997

Exponentiation

n^y

n²	338191548300225
n³	6.2193375003679E+21
n⁴	1.143735233417E+29
n⁵	2.1033273786511E+36

Nth Root

^y√n

²√n	4288.3545795561
³√n	263.95331761813
⁴√n	65.485529543221
⁵√n	28.373719759731

Divisors of 18389985

1, 3, 5, 15, 1225999, 3677997, 6129995, 18389985

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	-18389984	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 18389985 can be divided by 8 positive divisors. The sum of these divisors (counting 18389985) is 1, the average is 0.125.

Base conversion 18389985

Base	System	Value
2	Binary	1000110001001101111100001
3	Ternary	1021121022022120
4	Quaternary	1012021233201
5	Quinary	14201434420
6	Senary	1454054453
8	Octal	106115741
10	Decimal	18389985
12	Duodecimal	61aa429
16	Hexadecimal	1189be1
20	Vigesimal	5eiej5
36	Base36	ay5sx

Cryptographic Hash Functions

md5	81521eb0d5f458a99d46e6ef6f17b8df
sha1	5fbefd89199d6c412339f429ee74d5faa707ded1
sha256	c3f95f143c6ecba34cb8004d04628c56a546e8f1b0d7175721c46aa0f0f73ec9
sha512	c6e688b9273620d91e1c5456d5aca2127a4d634990c8f15215c61b33f24c5fd724d0863485a18512fb6711a31743b551b849155a816ae1da57492ea1962490f0
ripemd-160	ae3b28194d37c2b2ac1c1dbec6fd66530b0b5cbd

18389985 as geometric shapes

Circle

Radius = n

Diameter	36779970
Circumference	115547683.55125
Area	1.0624600836461E+15

Sphere

Radius = n

Volume	2.6051500001802E+22
Surface area	4.2498403345846E+15
Circumference	115547683.55125

Square

Length = n

Perimeter	73559940
Area	338191548300225
Diagonal	26007366.198838

Cube

Length = n

Surface area	2029149289801350
Volume	6.2193375003679E+21
Space diagonal	31852388.37043

Equilateral Triangle

Length = n

Perimeter	55169955
Area	1.4644123608659E+14
Altitude	15926194.185215

Triangular Pyramid

Length = n

Surface area	1.4644123608659E+14
Volume	7.3295595349966E+20
Height	8669122.0662793