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

18943939 (number)

18943939 is an odd 8-digits composite number following 18943938 and preceding 18943940. In scientific notation, it is written as 1.8943939 × 10^7. The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors. There are 16237620 positive integers (up to 18943939) that are relatively prime to 18943939.

Interesting facts

18943939 has 4 divisors, whose sum is 19330600
The reverse of 18943939 is 93934981
Previous prime number is 49

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1

Name

Name	eighteen million nine hundred forty-three thousand nine hundred thirty-nine

Notation

Scientific notation	1.8943939 × 10^7
Engineering notation	1.8943939 × 10^6

Prime Factorization of 18943939

Prime Factorization 49 × 386611

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	18943939	Product of the distinct prime numbers

The prime factorization of 18943939 is 49 × 386611. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 1, 64, 69, 962, 391, 3799, 5295, 85678, 93127, 288742, 34991, 1645580, 1751103, 83418762, 5966267, 773568213, 494753508, 940735759, 5077750433

Basic calculations (n = 18943939)

Multiplication

n×y

n×2	37887878
n×3	56831817
n×4	75775756
n×5	94719695

Division

n÷y

n÷2	9471969.5
n÷3	6314646.3333333
n÷3	4735984.75
n÷5	3788787.8

Exponentiation

n^y

n²	358872824835721
n³	6.7984649024456E+21
n⁴	1.2878970440557E+29
n⁵	2.4397843040872E+36

Nth Root

^y√n

²√n	4352.4635552753
³√n	266.57746200309
⁴√n	65.973203312219
⁵√n	28.542634571366

Divisors of 18943939

1, 49, 386611, 18943939

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	-18943938	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 18943939 can be divided by 4 positive divisors. The sum of these divisors (counting 18943939) is 1, the average is 0.25.

Base conversion 18943939

Base	System	Value
2	Binary	1001000010000111111000011
3	Ternary	1022122110012101
4	Quaternary	1020100333003
5	Quinary	14322201224
6	Senary	1514011231
8	Octal	110207703
10	Decimal	18943939
12	Duodecimal	6416b17
16	Hexadecimal	1210fc3
20	Vigesimal	5i7jgj
36	Base36	ba18j

Cryptographic Hash Functions

md5	9c0d1b2da69a4b79e9ce62926c31f81f
sha1	a3be1cea044ccb9e70a1c3012dea78c1fce2d4c2
sha256	11b65aacf4a0e3660e71e5dde397d1cf108126fbfe2f9bf258eb2a2cc5bcff63
sha512	4892f502ab0f230dd1f8543ed9457874f7a4d296a4023e7de59757e7ba48f7c3b39a16e03b6f6f6e97e68c78d1b76765477375ae418181b8fa400d1c154805e3
ripemd-160	830ff40c4a1d02200604c58e7e262aed6b865467

18943939 as geometric shapes

Circle

Radius = n

Diameter	37887878
Circumference	119028279.18491
Area	1.1274322300769E+15

Sphere

Radius = n

Volume	2.8477343190948E+22
Surface area	4.5097289203077E+15
Circumference	119028279.18491

Square

Length = n

Perimeter	75775756
Area	358872824835721
Diagonal	26790775.458569

Cube

Length = n

Surface area	2153236949014326
Volume	6.7984649024456E+21
Space diagonal	32811864.843486

Equilateral Triangle

Length = n

Perimeter	56831817
Area	1.5539649151781E+14
Altitude	16405932.421743

Triangular Pyramid

Length = n

Surface area	1.5539649151781E+14
Volume	8.01206772363E+20
Height	8930258.4861895