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

18889681 (number)

18889681 is an odd 8-digits prime number following 18889680 and preceding 18889682. In scientific notation, it is written as 1.8889681 × 10^7. The sum of its digits is 49. It has a total of 1 prime factors and 2 positive divisors. There are 18889680 positive integers (up to 18889681) that are relatively prime to 18889681.

Interesting facts

18889681 has 2 divisors, whose sum is 18889682
The reverse of 18889681 is 18698881
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4

Name

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

Notation

Scientific notation	1.8889681 × 10^7
Engineering notation	1.8889681 × 10^6

Prime Factorization of 18889681

Prime Factorization 18889681

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	18889681	Product of the distinct prime numbers

The prime factorization of 18889681 is 18889681. Since it has a total of 1 prime factors.

Most popular turbo-numbers

2, 6, 7, 91, 204, 500, 6806, 5601, 10181, 38918, 716654, 26336, 3677355, 1943055, 94279702, 14324473, 558303436, 989258310, 6440427736, 1053858990

Basic calculations (n = 18889681)

Multiplication

n×y

n×2	37779362
n×3	56669043
n×4	75558724
n×5	94448405

Division

n÷y

n÷2	9444840.5
n÷3	6296560.3333333
n÷3	4722420.25
n÷5	3777936.2

Exponentiation

n^y

n²	356820048281761
n³	6.7402168864471E+21
n⁴	1.273205468558E+29
n⁵	2.4050445148516E+36

Nth Root

^y√n

²√n	4346.2260640698
³√n	266.32271401817
⁴√n	65.925913448885
⁵√n	28.526265815561

Divisors of 18889681

1, 18889681

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	18889682	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	9444841	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4346.2261791122	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999998941221	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18889681 can be divided by 2 positive divisors. The sum of these divisors (counting 18889681) is 18889682, the average is 9444841.

Base conversion 18889681

Base	System	Value
2	Binary	1001000000011101111010001
3	Ternary	1022112200202211
4	Quaternary	1020003233101
5	Quinary	14313432211
6	Senary	1512512121
8	Octal	110035721
10	Decimal	18889681
12	Duodecimal	63ab641
16	Hexadecimal	1203bd1
20	Vigesimal	5i1441
36	Base36	b8vdd

Cryptographic Hash Functions

md5	c19ac574984cc050a6aada22ce84eea2
sha1	93b0f3dcd9f77210dc03f9ced241c173bbd7b262
sha256	ea28a4f7b287026bf92d17b4b97c4e90b0ce5e54a1313530e0126bbb3bf4cb75
sha512	6c1299966e02d31e26a8300150fbbcc889636223a50f61d533a5a8f9f89f62278591395b7d6e9fa117daa09efb7d55be9968e50dd260345f4601ec087c456ed6
ripemd-160	20961701e399c5bfffd281f6f20d47b8b426a27b

18889681 as geometric shapes

Circle

Radius = n

Diameter	37779362
Circumference	118687366.11651
Area	1.1209832423355E+15

Sphere

Radius = n

Volume	2.8233354472085E+22
Surface area	4.4839329693421E+15
Circumference	118687366.11651

Square

Length = n

Perimeter	75558724
Area	356820048281761
Diagonal	26714043.059101

Cube

Length = n

Surface area	2140920289690566
Volume	6.7402168864471E+21
Space diagonal	32717887.230768

Equilateral Triangle

Length = n

Perimeter	56669043
Area	1.545076131958E+14
Altitude	16358943.615384

Triangular Pyramid

Length = n

Surface area	1.545076131958E+14
Volume	7.943421778458E+20
Height	8904681.0197005