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

81362389 (number)

81362389 is an odd 8-digits composite number following 81362388 and preceding 81362390. In scientific notation, it is written as 8.1362389 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 77080140 positive integers (up to 81362389) that are relatively prime to 81362389.

Interesting facts

81362389 has 4 divisors, whose sum is 85644640
The reverse of 81362389 is 98326318
Previous prime number is 19

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4

Name

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

Notation

Scientific notation	8.1362389 × 10^7
Engineering notation	8.1362389 × 10^6

Prime Factorization of 81362389

Prime Factorization 19 × 4282231

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81362389	Product of the distinct prime numbers

The prime factorization of 81362389 is 19 × 4282231. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 2, 62, 98, 192, 215, 2190, 2010, 72378, 64079, 982615, 650949, 2408845, 7505553, 32216614, 71572539, 739770247, 85445353, 7520852493, 5378638203

Basic calculations (n = 81362389)

Multiplication

n×y

n×2	162724778
n×3	244087167
n×4	325449556
n×5	406811945

Division

n÷y

n÷2	40681194.5
n÷3	27120796.333333
n÷3	20340597.25
n÷5	16272477.8

Exponentiation

n^y

n²	6619838343787321
n³	5.3860586244434E+23
n⁴	4.3822259697877E+31
n⁵	3.5654837403977E+39

Nth Root

^y√n

²√n	9020.1102543151
³√n	433.31916475699
⁴√n	94.974261009576
⁵√n	38.201880208513

Divisors of 81362389

1, 19, 4282231, 81362389

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	-81362388	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 81362389 can be divided by 4 positive divisors. The sum of these divisors (counting 81362389) is 1, the average is 0.25.

Base conversion 81362389

Base	System	Value
2	Binary	100110110010111110111010101
3	Ternary	12200002122012211
4	Quaternary	10312113313111
5	Quinary	131312044024
6	Senary	12023513421
8	Octal	466276725
10	Decimal	81362389
12	Duodecimal	232b8871
16	Hexadecimal	4d97dd5
20	Vigesimal	158a5j9
36	Base36	1cfvmd

Cryptographic Hash Functions

md5	5ced731245eaf7cf5f05bd171f67b80b
sha1	1503dff129577a077d7701e0d62899f30d94552d
sha256	acf1cd3871b640c8c5a437c32b0c5f608bc7545c54f6921d6cc0a120bc79d39d
sha512	2fad29799ddb62866afc2dac33d9fa3507d0fca59eb8825853c9850d652d6a5d8ff7709d03a0e5cfd906d5172c6be63e9ef405a7dddd5e4336363e94787d8a64
ripemd-160	a42cf0367d738c462c863fba8c666bea8453f9ed

81362389 as geometric shapes

Circle

Radius = n

Diameter	162724778
Circumference	511214967.12183
Area	2.0796835508794E+16

Sphere

Radius = n

Volume	2.2561069608474E+24
Surface area	8.3187342035177E+16
Circumference	511214967.12183

Square

Length = n

Perimeter	325449556
Area	6619838343787321
Diagonal	115063793.99088

Cube

Length = n

Surface area	39719030062723926
Volume	5.3860586244434E+23
Space diagonal	140923791.57318

Equilateral Triangle

Length = n

Perimeter	244087167
Area	2.8664740873331E+15
Altitude	70461895.786592

Triangular Pyramid

Length = n

Surface area	2.8664740873331E+15
Volume	6.3475309620204E+22
Height	38354597.996959