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

81362018 (number)

81362018 is an even 8-digits composite number following 81362017 and preceding 81362019. In scientific notation, it is written as 8.1362018 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 40681008 positive integers (up to 81362018) that are relatively prime to 81362018.

Interesting facts

81362018 has 4 divisors, whose sum is 122043030
The reverse of 81362018 is 81026318
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2

Name

Name	eighty-one million three hundred sixty-two thousand eighteen

Notation

Scientific notation	8.1362018 × 10^7
Engineering notation	8.1362018 × 10^6

Prime Factorization of 81362018

Prime Factorization 2 × 40681009

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81362018	Product of the distinct prime numbers

The prime factorization of 81362018 is 2 × 40681009. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 3, 30, 57, 650, 66, 7328, 3558, 49937, 50793, 366738, 298517, 4800534, 1357348, 54334525, 32995474, 541116207, 719949400, 9159200714, 1555561203

Basic calculations (n = 81362018)

Multiplication

n×y

n×2	162724036
n×3	244086054
n×4	325448072
n×5	406810090

Division

n÷y

n÷2	40681009
n÷3	27120672.666667
n÷3	20340504.5
n÷5	16272403.6

Exponentiation

n^y

n²	6619777973032324
n³	5.3859849459786E+23
n⁴	4.3821460412244E+31
n⁵	3.5654024508473E+39

Nth Root

^y√n

²√n	9020.0896891328
³√n	433.31850613304
⁴√n	94.974152742379
⁵√n	38.201845369508

Divisors of 81362018

1, 2, 40681009, 81362018

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	-81362017	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 81362018 can be divided by 4 positive divisors. The sum of these divisors (counting 81362018) is 1, the average is 0.25.

Base conversion 81362018

Base	System	Value
2	Binary	100110110010111110001100010
3	Ternary	12200002121201002
4	Quaternary	10312113301202
5	Quinary	131312041033
6	Senary	12023512002
8	Octal	466276142
10	Decimal	81362018
12	Duodecimal	232b8602
16	Hexadecimal	4d97c62
20	Vigesimal	158a50i
36	Base36	1cfvc2

Cryptographic Hash Functions

md5	0921b8e1af427e962912bdc8d331147d
sha1	cbd446e9e5d6aeffb10243ed4b32fa015158bb27
sha256	8e787c9c1ea591b2eabfe3ff55606fa375c63d8d6dddadf44d3e14c5d05ec617
sha512	6334e2beb8555c02bb990fcd433c5f5ad841583ed6e5d5eaa66a91e1e99cd375eab36242db9e1165fd5407dc53a67c71c26a53a20625d06f990179cfda28782e
ripemd-160	f025be108040316c29f4627e80e7a98b39b8410d

81362018 as geometric shapes

Circle

Radius = n

Diameter	162724036
Circumference	511212636.06008
Area	2.0796645848474E+16

Sphere

Radius = n

Volume	2.2560760984842E+24
Surface area	8.3186583393896E+16
Circumference	511212636.06008

Square

Length = n

Perimeter	325448072
Area	6619777973032324
Diagonal	115063269.31764

Cube

Length = n

Surface area	39718667838193944
Volume	5.3859849459786E+23
Space diagonal	140923148.98233

Equilateral Triangle

Length = n

Perimeter	244086054
Area	2.8664479460293E+15
Altitude	70461574.491167

Triangular Pyramid

Length = n

Surface area	2.8664479460293E+15
Volume	6.3474441311169E+22
Height	38354423.105881