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

18688081 (number)

18688081 is an odd 8-digits prime number following 18688080 and preceding 18688082. In scientific notation, it is written as 1.8688081 × 10^7. The sum of its digits is 40. It has a total of 1 prime factors and 2 positive divisors. There are 18688080 positive integers (up to 18688081) that are relatively prime to 18688081.

Interesting facts

18688081 has 2 divisors, whose sum is 18688082
The reverse of 18688081 is 18088681
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4

Name

Name	eighteen million six hundred eighty-eight thousand eighty-one

Notation

Scientific notation	1.8688081 × 10^7
Engineering notation	1.8688081 × 10^6

Prime Factorization of 18688081

Prime Factorization 18688081

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	18688081	Product of the distinct prime numbers

The prime factorization of 18688081 is 18688081. Since it has a total of 1 prime factors.

Most popular turbo-numbers

5, 7, 10, 49, 684, 313, 8997, 9232, 38978, 5860, 322090, 952977, 6664434, 8889211, 99515531, 27618648, 497116687, 877533353, 4003450759, 1261181486

Basic calculations (n = 18688081)

Multiplication

n×y

n×2	37376162
n×3	56064243
n×4	74752324
n×5	93440405

Division

n÷y

n÷2	9344040.5
n÷3	6229360.3333333
n÷3	4672020.25
n÷5	3737616.2

Exponentiation

n^y

n²	349244371462561
n³	6.5267071026864E+21
n⁴	1.2197163099828E+29
n⁵	2.279415719798E+36

Nth Root

^y√n

²√n	4322.9713161204
³√n	265.37188087689
⁴√n	65.749306582811
⁵√n	28.465114924354

Divisors of 18688081

1, 18688081

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	18688082	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	9344041	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4322.9714317816	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999998929799	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18688081 can be divided by 2 positive divisors. The sum of these divisors (counting 18688081) is 18688082, the average is 9344041.

Base conversion 18688081

Base	System	Value
2	Binary	1000111010010100001010001
3	Ternary	1022011110020011
4	Quaternary	1013102201101
5	Quinary	14241004311
6	Senary	1504314521
8	Octal	107224121
10	Decimal	18688081
12	Duodecimal	6312a41
16	Hexadecimal	11d2851
20	Vigesimal	5gg041
36	Base36	b4jtd

Cryptographic Hash Functions

md5	fa681b2e3dd0b13e852ac8e0ec496ee1
sha1	91d0902044fd4ef9d58af0d5631e0b4b3b19f20c
sha256	94cf8da6809b078fa754319fece876d15b17e48dd9e404862a74840291b1037f
sha512	867edb1cd0da06073c4412d7c6899651538e25177b6827a26ebd16e1c63efdb0b04645b3dab98121f1adf7ecf645c3c95be3cc90c367006b8392321c5bcfa3a7
ripemd-160	5e3563699768deee67814e4c0cc6ebb3f3f3fd1a

18688081 as geometric shapes

Circle

Radius = n

Diameter	37376162
Circumference	117420675.95858
Area	1.0971835516944E+15

Sphere

Radius = n

Volume	2.7339006781243E+22
Surface area	4.3887342067775E+15
Circumference	117420675.95858

Square

Length = n

Perimeter	74752324
Area	349244371462561
Diagonal	26428937.604927

Cube

Length = n

Surface area	2095466228775366
Volume	6.5267071026864E+21
Space diagonal	32368705.787963

Equilateral Triangle

Length = n

Perimeter	56064243
Area	1.5122724890765E+14
Altitude	16184352.893981

Triangular Pyramid

Length = n

Surface area	1.5122724890765E+14
Volume	7.6917980852133E+20
Height	8809645.868309