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

18181138 (number)

18181138 is an even 8-digits composite number following 18181137 and preceding 18181139. In scientific notation, it is written as 1.8181138 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 8612100 positive integers (up to 18181138) that are relatively prime to 18181138.

Interesting facts

18181138 has 8 divisors, whose sum is 28707120
The reverse of 18181138 is 83118181
Previous prime number is 19

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4

Name

Name	eighteen million one hundred eighty-one thousand one hundred thirty-eight

Notation

Scientific notation	1.8181138 × 10^7
Engineering notation	1.8181138 × 10^6

Prime Factorization of 18181138

Prime Factorization 2 × 19 × 478451

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	18181138	Product of the distinct prime numbers

The prime factorization of 18181138 is 2 × 19 × 478451. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 1, 42, 94, 136, 353, 474, 495, 69101, 2611, 520178, 60066, 2319124, 8005376, 7782297, 64580018, 136108779, 655288904, 6389346699, 4025452853

Basic calculations (n = 18181138)

Multiplication

n×y

n×2	36362276
n×3	54543414
n×4	72724552
n×5	90905690

Division

n÷y

n÷2	9090569
n÷3	6060379.3333333
n÷3	4545284.5
n÷5	3636227.6

Exponentiation

n^y

n²	330553778975044
n³	6.0098438719668E+21
n⁴	1.0926580079468E+29
n⁵	1.9865766029286E+36

Nth Root

^y√n

²√n	4263.9345679783
³√n	262.95031036078
⁴√n	65.298809851162
⁵√n	28.308979416824

Divisors of 18181138

1, 2, 19, 38, 478451, 956902, 9090569, 18181138

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	-18181137	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 18181138 can be divided by 8 positive divisors. The sum of these divisors (counting 18181138) is 1, the average is 0.125.

Base conversion 18181138

Base	System	Value
2	Binary	1000101010110110000010010
3	Ternary	1021012200211111
4	Quaternary	1011112300102
5	Quinary	14123244023
6	Senary	1445403534
8	Octal	105266022
10	Decimal	18181138
12	Duodecimal	61095aa
16	Hexadecimal	1156c12
20	Vigesimal	5dccgi
36	Base36	atonm

Cryptographic Hash Functions

md5	ad1f468c4be951b750bc70e6428c2e9d
sha1	5a3042a8c2d2af37297adb71308f13c1c88141bc
sha256	621e16e8d08d76fe9e7fb8209905638a2ef631ebf129550082ecc09c58e75ddb
sha512	a2561b17bba99e6fec6b0c7a39b4716aa9e318e3071b19fab556e66aa3981af492dcab9e39dbb33e11f7d849481ff9de5e4660f64e8baffdaff3a9c5bed2485d
ripemd-160	132cc0cebb9611955dd0a476c09fd8841bf06fc2

18181138 as geometric shapes

Circle

Radius = n

Diameter	36362276
Circumference	114235459.1494
Area	1.0384653236443E+15

Sphere

Radius = n

Volume	2.517397514319E+22
Surface area	4.1538612945774E+15
Circumference	114235459.1494

Square

Length = n

Perimeter	72724552
Area	330553778975044
Diagonal	25712011.938977

Cube

Length = n

Surface area	1983322673850264
Volume	6.0098438719668E+21
Space diagonal	31490654.755421

Equilateral Triangle

Length = n

Perimeter	54543414
Area	1.4313398495467E+14
Altitude	15745327.377711

Triangular Pyramid

Length = n

Surface area	1.4313398495467E+14
Volume	7.0826689262335E+20
Height	8570670.6463256