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

18993885 (number)

18993885 is an odd 8-digits composite number following 18993884 and preceding 18993886. In scientific notation, it is written as 1.8993885 × 10^7. The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors. There are 10130064 positive integers (up to 18993885) that are relatively prime to 18993885.

Interesting facts

18993885 has 8 divisors, whose sum is 30390240
The reverse of 18993885 is 58839981
Previous prime number is 5

Basic properties

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

Name

Name	eighteen million nine hundred ninety-three thousand eight hundred eighty-five

Notation

Scientific notation	1.8993885 × 10^7
Engineering notation	1.8993885 × 10^6

Prime Factorization of 18993885

Prime Factorization 3 × 5 × 1266259

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	18993885	Product of the distinct prime numbers

The prime factorization of 18993885 is 3 × 5 × 1266259. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 1, 21, 9, 106, 672, 7845, 1759, 82025, 4192, 393417, 508258, 1350509, 4245744, 19827174, 89981819, 256055328, 7735545, 3239242745, 6658976245

Basic calculations (n = 18993885)

Multiplication

n×y

n×2	37987770
n×3	56981655
n×4	75975540
n×5	94969425

Division

n÷y

n÷2	9496942.5
n÷3	6331295
n÷3	4748471.25
n÷5	3798777

Exponentiation

n^y

n²	360767667393225
n³	6.8523795861852E+21
n⁴	1.3015330983635E+29
n⁵	2.472116999401E+36

Nth Root

^y√n

²√n	4358.1974484872
³√n	266.8115350004
⁴√n	66.016645238055
⁵√n	28.55766934701

Divisors of 18993885

1, 3, 5, 15, 1266259, 3798777, 6331295, 18993885

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	-18993884	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 18993885 can be divided by 8 positive divisors. The sum of these divisors (counting 18993885) is 1, the average is 0.125.

Base conversion 18993885

Base	System	Value
2	Binary	1001000011101001011011101
3	Ternary	1022201222201020
4	Quaternary	1020131023131
5	Quinary	14330301020
6	Senary	1515034353
8	Octal	110351335
10	Decimal	18993885
12	Duodecimal	643b9b9
16	Hexadecimal	121d2dd
20	Vigesimal	5ie4e5
36	Base36	bb3rx

Cryptographic Hash Functions

md5	0b1e912f025b303268fb416ba56be962
sha1	4c09b4e1ca453ca724856d69c04cbedd5b62ee6c
sha256	4ef90dd068997423f3d08c228aa60ed3285efaff6ee3623223d2685e9d393ade
sha512	b5aa94779db55d9fe63ef37e391d277e8600690dd064c95bedf02e9f6a980767483d95049302b2bfe4b69f4d24983ba27b1f1dbea67b815647ed10c2c9423c43
ripemd-160	0f7cadbcfa76ee90edfc86d409599007ce21c37b

18993885 as geometric shapes

Circle

Radius = n

Diameter	37987770
Circumference	119342099.15826
Area	1.1333850535353E+15

Sphere

Radius = n

Volume	2.8703180490091E+22
Surface area	4.5335402141411E+15
Circumference	119342099.15826

Square

Length = n

Perimeter	75975540
Area	360767667393225
Diagonal	26861409.769155

Cube

Length = n

Surface area	2164606004359350
Volume	6.8523795861852E+21
Space diagonal	32898373.85312

Equilateral Triangle

Length = n

Perimeter	56981655
Area	1.5621698241329E+14
Altitude	16449186.92656

Triangular Pyramid

Length = n

Surface area	1.5621698241329E+14
Volume	8.0756067877597E+20
Height	8953803.256385