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

18381668 (number)

18381668 is an even 8-digits composite number following 18381667 and preceding 18381669. In scientific notation, it is written as 1.8381668 × 10^7. The sum of its digits is 41. It has a total of 4 prime factors and 12 positive divisors. There are 9154560 positive integers (up to 18381668) that are relatively prime to 18381668.

Interesting facts

18381668 has 12 divisors, whose sum is 32294892
The reverse of 18381668 is 86618381
Previous prime number is 257

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5

Name

Name	eighteen million three hundred eighty-one thousand six hundred sixty-eight

Notation

Scientific notation	1.8381668 × 10^7
Engineering notation	1.8381668 × 10^6

Prime Factorization of 18381668

Prime Factorization 2 × 2 × 257 × 17881

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	9190834	Product of the distinct prime numbers

The prime factorization of 18381668 is 2 × 2 × 257 × 17881. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 9, 6, 43, 648, 603, 5603, 4110, 60122, 64078, 196627, 463824, 6603436, 3910445, 19642915, 48897220, 538089827, 872087388, 1125822975, 4077263596

Basic calculations (n = 18381668)

Multiplication

n×y

n×2	36763336
n×3	55145004
n×4	73526672
n×5	91908340

Division

n÷y

n÷2	9190834
n÷3	6127222.6666667
n÷3	4595417
n÷5	3676333.6

Exponentiation

n^y

n²	337885718462224
n³	6.2109030987141E+21
n⁴	1.1416675874073E+29
n⁵	2.0985754558083E+36

Nth Root

^y√n

²√n	4287.3847506376
³√n	263.91352003678
⁴√n	65.478124214409
⁵√n	28.371152852482

Divisors of 18381668

1, 2, 4, 257, 514, 1028, 17881, 35762, 71524, 4595417, 9190834, 18381668

12 divisors

τ	Total Divisors	12	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-18381667	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.083333333333333	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	12	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18381668 can be divided by 12 positive divisors. The sum of these divisors (counting 18381668) is 1, the average is 0.083333333333333.

Base conversion 18381668

Base	System	Value
2	Binary	1000110000111101101100100
3	Ternary	1021120212220112
4	Quaternary	1012013231210
5	Quinary	14201203133
6	Senary	1453552152
8	Octal	106075544
10	Decimal	18381668
12	Duodecimal	61a5658
16	Hexadecimal	1187b64
20	Vigesimal	5ehe38
36	Base36	axzdw

Cryptographic Hash Functions

md5	e0fd5ec94e4c870d4d968ee40db8e910
sha1	0a92596d465d7ef76e79ad0a8b367268e75693d4
sha256	e8badeba8d88a2316293cb416ace35e3a19c0dc106129e1d2cf97ac4ea0dd653
sha512	008690f687c0bb29c5e31302c897ffba0ea0f71acb831df2f38b3beb4fdf7930a352a5c533702d7493b400cf1f6e6deea475f6701d9fda6a4106e625ef4dcc7e
ripemd-160	8729d8c5a188449d8fc1eb73a5a30f8424140b72

18381668 as geometric shapes

Circle

Radius = n

Diameter	36763336
Circumference	115495426.29905
Area	1.0614992908738E+15

Sphere

Radius = n

Volume	2.6016170062771E+22
Surface area	4.2459971634953E+15
Circumference	115495426.29905

Square

Length = n

Perimeter	73526672
Area	337885718462224
Diagonal	25995604.18464

Cube

Length = n

Surface area	2027314310773344
Volume	6.2109030987141E+21
Space diagonal	31837982.903863

Equilateral Triangle

Length = n

Perimeter	55145004
Area	1.4630880788212E+14
Altitude	15918991.451931

Triangular Pyramid

Length = n

Surface area	1.4630880788212E+14
Volume	7.3196194973221E+20
Height	8665201.3948798