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

81330389 (number)

81330389 is an odd 8-digits composite number following 81330388 and preceding 81330390. In scientific notation, it is written as 8.1330389 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 69646176 positive integers (up to 81330389) that are relatively prime to 81330389.

Interesting facts

81330389 has 8 divisors, whose sum is 93036480
The reverse of 81330389 is 98303318
Previous prime number is 1193

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8

Name

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

Notation

Scientific notation	8.1330389 × 10^7
Engineering notation	8.1330389 × 10^6

Prime Factorization of 81330389

Prime Factorization 7 × 1193 × 9739

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81330389	Product of the distinct prime numbers

The prime factorization of 81330389 is 7 × 1193 × 9739. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 1, 4, 91, 169, 62, 4766, 3849, 2571, 58446, 581583, 296502, 693038, 5627577, 17343053, 24367821, 178904132, 915482345, 7792655619, 1843084626

Basic calculations (n = 81330389)

Multiplication

n×y

n×2	162660778
n×3	243991167
n×4	325321556
n×5	406651945

Division

n÷y

n÷2	40665194.5
n÷3	27110129.666667
n÷3	20332597.25
n÷5	16266077.8

Exponentiation

n^y

n²	6614632174891321
n³	5.3797060787583E+23
n⁴	4.3753358809107E+31
n⁵	3.5584776920013E+39

Nth Root

^y√n

²√n	9018.3362656313
³√n	433.26234885917
⁴√n	94.96492123743
⁵√n	38.198874759569

Divisors of 81330389

1, 7, 1193, 8351, 9739, 68173, 11618627, 81330389

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	-81330388	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 81330389 can be divided by 8 positive divisors. The sum of these divisors (counting 81330389) is 1, the average is 0.125.

Base conversion 81330389

Base	System	Value
2	Binary	100110110010000000011010101
3	Ternary	12200001000022122
4	Quaternary	10312100003111
5	Quinary	131310033024
6	Senary	12023105325
8	Octal	466200325
10	Decimal	81330389
12	Duodecimal	232a2245
16	Hexadecimal	4d900d5
20	Vigesimal	15865j9
36	Base36	1cf6xh

Cryptographic Hash Functions

md5	1804b9504c4d8b19e5b64c4953f011b9
sha1	c95226d3ec52a606359b7de954b2e09acc427a4b
sha256	9f6badd2f851b97a488170b6c1f91cdcec0d7a82719cfa6de07bcf4ce5c201bd
sha512	c1831c2777b97ddfe98184b2781b6d9ce1bb07bd192e776a95ff5220df6c6aeb04531980d6c0a58230f8027cb791ddfbae30045565be02420c44c41f82658973
ripemd-160	c739af14f44dcae8402ba51c3fc1623aad5f3f83

81330389 as geometric shapes

Circle

Radius = n

Diameter	162660778
Circumference	511013905.192
Area	2.0780479846837E+16

Sphere

Radius = n

Volume	2.2534460127332E+24
Surface area	8.3121919387349E+16
Circumference	511013905.192

Square

Length = n

Perimeter	325321556
Area	6614632174891321
Diagonal	115018539.15688

Cube

Length = n

Surface area	39687793049347926
Volume	5.3797060787583E+23
Space diagonal	140868365.94734

Equilateral Triangle

Length = n

Perimeter	243991167
Area	2.8642197500729E+15
Altitude	70434182.97367

Triangular Pyramid

Length = n

Surface area	2.8642197500729E+15
Volume	6.3400444151341E+22
Height	38339513.052293