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

18989738 (number)

18989738 is an even 8-digits composite number following 18989737 and preceding 18989739. In scientific notation, it is written as 1.8989738 × 10^7. The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors. There are 9494868 positive integers (up to 18989738) that are relatively prime to 18989738.

Interesting facts

18989738 has 4 divisors, whose sum is 28484610
The reverse of 18989738 is 83798981
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 53
Digital Root 8

Name

Name	eighteen million nine hundred eighty-nine thousand seven hundred thirty-eight

Notation

Scientific notation	1.8989738 × 10^7
Engineering notation	1.8989738 × 10^6

Prime Factorization of 18989738

Prime Factorization 2 × 9494869

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	18989738	Product of the distinct prime numbers

The prime factorization of 18989738 is 2 × 9494869. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 6, 38, 91, 313, 727, 1343, 2410, 94185, 82783, 95094, 499926, 6469614, 9948538, 59526274, 4758671, 906863545, 459249104, 6548987110, 3703321600

Basic calculations (n = 18989738)

Multiplication

n×y

n×2	37979476
n×3	56969214
n×4	75958952
n×5	94948690

Division

n÷y

n÷2	9494869
n÷3	6329912.6666667
n÷3	4747434.5
n÷5	3797947.6

Exponentiation

n^y

n²	360610149308644
n³	6.847892255512E+21
n⁴	1.300396797844E+29
n⁵	2.4694194487097E+36

Nth Root

^y√n

²√n	4357.7216524234
³√n	266.79211562812
⁴√n	66.013041532893
⁵√n	28.556422219328

Divisors of 18989738

1, 2, 9494869, 18989738

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	-18989737	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 18989738 can be divided by 4 positive divisors. The sum of these divisors (counting 18989738) is 1, the average is 0.25.

Base conversion 18989738

Base	System	Value
2	Binary	1001000011100001010101010
3	Ternary	1022201210000122
4	Quaternary	1020130022222
5	Quinary	14330132423
6	Senary	1515003242
8	Octal	110341252
10	Decimal	18989738
12	Duodecimal	6439522
16	Hexadecimal	121c2aa
20	Vigesimal	5ide6i
36	Base36	bb0kq

Cryptographic Hash Functions

md5	4cfaed20d35e991dd7504bd0325b7d54
sha1	4fd5ca5d6df94fd04679baa7dc5797c2dcabb36b
sha256	8c14db861cc3a8e76a52de762892070248ace755b9c4adf7dde205cff3c309de
sha512	169d9845ad07cdb060149263cc2155009db6148abd241a7e7349947f995b636dabe59f3dab776d9d319417a2d5cddea639457aaa14a918782c610978e641caf8
ripemd-160	7201dbaad7e790e1d4e26bf758fd04d6a9e439bf

18989738 as geometric shapes

Circle

Radius = n

Diameter	37979476
Circumference	119316042.78879
Area	1.132890195878E+15

Sphere

Radius = n

Volume	2.8684384003321E+22
Surface area	4.5315607835118E+15
Circumference	119316042.78879

Square

Length = n

Perimeter	75958952
Area	360610149308644
Diagonal	26855545.025512

Cube

Length = n

Surface area	2163660895851864
Volume	6.847892255512E+21
Space diagonal	32891191.038421

Equilateral Triangle

Length = n

Perimeter	56969214
Area	1.5614877508189E+14
Altitude	16445595.519211

Triangular Pyramid

Length = n

Surface area	1.5614877508189E+14
Volume	8.0703184178457E+20
Height	8951848.3418372