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

18993894 (number)

18993894 is an even 8-digits composite number following 18993893 and preceding 18993895. In scientific notation, it is written as 1.8993894 × 10^7. The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors. There are 6331296 positive integers (up to 18993894) that are relatively prime to 18993894.

Interesting facts

18993894 has 8 divisors, whose sum is 37987800
The reverse of 18993894 is 49839981
Previous prime number is 3

Basic properties

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

Name

Name	eighteen million nine hundred ninety-three thousand eight hundred ninety-four

Notation

Scientific notation	1.8993894 × 10^7
Engineering notation	1.8993894 × 10^6

Prime Factorization of 18993894

Prime Factorization 2 × 3 × 3165649

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	18993894	Product of the distinct prime numbers

The prime factorization of 18993894 is 2 × 3 × 3165649. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 2, 56, 46, 784, 408, 407, 6267, 58238, 26572, 210332, 845856, 3398300, 7713450, 48432804, 76871671, 66590096, 126820983, 3551683078, 9889004190

Basic calculations (n = 18993894)

Multiplication

n×y

n×2	37987788
n×3	56981682
n×4	75975576
n×5	94969470

Division

n÷y

n÷2	9496947
n÷3	6331298
n÷3	4748473.5
n÷5	3798778.8

Exponentiation

n^y

n²	360768009283236
n³	6.8523893269168E+21
n⁴	1.3015355652219E+29
n⁵	2.4721228563055E+36

Nth Root

^y√n

²√n	4358.198481024
³√n	266.81157714209
⁴√n	66.016653058331
⁵√n	28.557672053344

Divisors of 18993894

1, 2, 3, 6, 3165649, 6331298, 9496947, 18993894

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	-18993893	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 18993894 can be divided by 8 positive divisors. The sum of these divisors (counting 18993894) is 1, the average is 0.125.

Base conversion 18993894

Base	System	Value
2	Binary	1001000011101001011100110
3	Ternary	1022201222201120
4	Quaternary	1020131023212
5	Quinary	14330301034
6	Senary	1515034410
8	Octal	110351346
10	Decimal	18993894
12	Duodecimal	643ba06
16	Hexadecimal	121d2e6
20	Vigesimal	5ie4ee
36	Base36	bb3s6

Cryptographic Hash Functions

md5	615da167f2cdee181374e8421923fb9d
sha1	6231a668ab9a4e049da2d2470dd8d4e2703a4d69
sha256	faa86bbcaf8962ae72a4a6a68e89ca587c6372d9fae8eb4e976d48a5341d306a
sha512	241dad4c930604e456e58b563745da5d62a64565bfeacbf2f8fb49f6d246f9deca81e6271e117f761cf5a84959b5564180d35f70adf9b318c68fe6b964edbe84
ripemd-160	88955211ca408fd5cae43fffd32aa5fe03c9e0f5

18993894 as geometric shapes

Circle

Radius = n

Diameter	37987788
Circumference	119342155.70693
Area	1.1333861276144E+15

Sphere

Radius = n

Volume	2.8703221291972E+22
Surface area	4.5335445104577E+15
Circumference	119342155.70693

Square

Length = n

Perimeter	75975576
Area	360768009283236
Diagonal	26861422.497077

Cube

Length = n

Surface area	2164608055699416
Volume	6.8523893269168E+21
Space diagonal	32898389.441578

Equilateral Triangle

Length = n

Perimeter	56981682
Area	1.5621713045601E+14
Altitude	16449194.720789

Triangular Pyramid

Length = n

Surface area	1.5621713045601E+14
Volume	8.075618267322E+20
Height	8953807.4990257