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

81330361 (number)

81330361 is an odd 8-digits composite number following 81330360 and preceding 81330362. In scientific notation, it is written as 8.1330361 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 69711732 positive integers (up to 81330361) that are relatively prime to 81330361.

Interesting facts

81330361 has 4 divisors, whose sum is 92948992
The reverse of 81330361 is 16303318
Previous prime number is 7

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7

Name

Name	eighty-one million three hundred thirty thousand three hundred sixty-one

Notation

Scientific notation	8.1330361 × 10^7
Engineering notation	8.1330361 × 10^6

Prime Factorization of 81330361

Prime Factorization 7 × 11618623

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81330361	Product of the distinct prime numbers

The prime factorization of 81330361 is 7 × 11618623. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 7, 30, 25, 312, 437, 8685, 9958, 19751, 67186, 564368, 939490, 6384275, 1049166, 65880019, 82410682, 634631186, 432461936, 8511310088, 3924341376

Basic calculations (n = 81330361)

Multiplication

n×y

n×2	162660722
n×3	243991083
n×4	325321444
n×5	406651805

Division

n÷y

n÷2	40665180.5
n÷3	27110120.333333
n÷3	20332590.25
n÷5	16266072.2

Exponentiation

n^y

n²	6614627620390321
n³	5.3797005224692E+23
n⁴	4.3753298556431E+31
n⁵	3.5584715665353E+39

Nth Root

^y√n

²√n	9018.3347132384
³√n	433.26229913873
⁴√n	94.964913063923
⁵√n	38.198872129387

Divisors of 81330361

1, 7, 11618623, 81330361

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	-81330360	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 81330361 can be divided by 4 positive divisors. The sum of these divisors (counting 81330361) is 1, the average is 0.25.

Base conversion 81330361

Base	System	Value
2	Binary	100110110010000000010111001
3	Ternary	12200001000021121
4	Quaternary	10312100002321
5	Quinary	131310032421
6	Senary	12023105241
8	Octal	466200271
10	Decimal	81330361
12	Duodecimal	232a2221
16	Hexadecimal	4d900b9
20	Vigesimal	15865i1
36	Base36	1cf6wp

Cryptographic Hash Functions

md5	806dce579f65e3b64cabca4c11591463
sha1	c7b5f6c3a1e4035cfcd33e4cac1ffda28895b7a2
sha256	302b4d5452d5499434e5631e5637b60cb59d2c6946ec6a3be557b3d985b24695
sha512	d6a6a08099096055445f18150eafa46e76927d8ee13105e675f5777c270e61c57413fa8996571eb47ea9cd9b92dc65b5659bb3dd91ecf6b503129190c531d2c3
ripemd-160	1b0807c9de903b0d30e5a6e056e9fb672dba9483

81330361 as geometric shapes

Circle

Radius = n

Diameter	162660722
Circumference	511013729.26281
Area	2.078046553845E+16

Sphere

Radius = n

Volume	2.2534436853203E+24
Surface area	8.3121862153801E+16
Circumference	511013729.26281

Square

Length = n

Perimeter	325321444
Area	6614627620390321
Diagonal	115018499.5589

Cube

Length = n

Surface area	39687765722341926
Volume	5.3797005224692E+23
Space diagonal	140868317.44992

Equilateral Triangle

Length = n

Perimeter	243991083
Area	2.8642177779161E+15
Altitude	70434158.724959

Triangular Pyramid

Length = n

Surface area	2.8642177779161E+15
Volume	6.3400378669846E+22
Height	38339499.852967