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

81330279 (number)

81330279 is an odd 8-digits composite number following 81330278 and preceding 81330280. In scientific notation, it is written as 8.1330279 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 51366456 positive integers (up to 81330279) that are relatively prime to 81330279.

Interesting facts

81330279 has 8 divisors, whose sum is 114147840
The reverse of 81330279 is 97203318
Previous prime number is 19

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6

Name

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

Notation

Scientific notation	8.1330279 × 10^7
Engineering notation	8.1330279 × 10^6

Prime Factorization of 81330279

Prime Factorization 3 × 19 × 1426847

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81330279	Product of the distinct prime numbers

The prime factorization of 81330279 is 3 × 19 × 1426847. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 10, 18, 41, 276, 636, 4706, 3700, 86545, 35192, 780964, 55969, 6683935, 4021212, 11953149, 6574546, 578482873, 792321390, 1392103072, 7853602990

Basic calculations (n = 81330279)

Multiplication

n×y

n×2	162660558
n×3	243990837
n×4	325321116
n×5	406651395

Division

n÷y

n÷2	40665139.5
n÷3	27110093
n÷3	20332569.75
n÷5	16266055.8

Exponentiation

n^y

n²	6614614282217841
n³	5.3796842505016E+23
n⁴	4.375312210252E+31
n⁵	3.558453627719E+39

Nth Root

^y√n

²√n	9018.3301669433
³√n	433.26215352882
⁴√n	94.96488912721
⁵√n	38.198864426707

Divisors of 81330279

1, 3, 19, 57, 1426847, 4280541, 27110093, 81330279

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	-81330278	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 81330279 can be divided by 8 positive divisors. The sum of these divisors (counting 81330279) is 1, the average is 0.125.

Base conversion 81330279

Base	System	Value
2	Binary	100110110010000000001100111
3	Ternary	12200001000011120
4	Quaternary	10312100001213
5	Quinary	131310032104
6	Senary	12023105023
8	Octal	466200147
10	Decimal	81330279
12	Duodecimal	232a2173
16	Hexadecimal	4d90067
20	Vigesimal	15865dj
36	Base36	1cf6uf

Cryptographic Hash Functions

md5	16a14037f4dc2905c12d4d4e405c460b
sha1	f75638165707b4958998ad6b8a54d70da360a85d
sha256	3888245796b78bbe538cc8bdff4c4ed3fa09809fb297f2384dbe4e83f28f9c48
sha512	54ffaa96c3de070ddf9a35acc2005ca73e3829c0e282ebfc821c8fad4335418fa6895c735ab23e9cb47cf35b919f75fda22305d6fbb2e9803333dcfba3c4a0f5
ripemd-160	762f7d6d61b9991d553b93de34026f210f175275

81330279 as geometric shapes

Circle

Radius = n

Diameter	162660558
Circumference	511013214.04162
Area	2.0780423635346E+16

Sphere

Radius = n

Volume	2.2534368693345E+24
Surface area	8.3121694541383E+16
Circumference	511013214.04162

Square

Length = n

Perimeter	325321116
Area	6614614282217841
Diagonal	115018383.59339

Cube

Length = n

Surface area	39687685693307046
Volume	5.3796842505016E+23
Space diagonal	140868175.42175

Equilateral Triangle

Length = n

Perimeter	243990837
Area	2.864212002318E+15
Altitude	70434087.710876

Triangular Pyramid

Length = n

Surface area	2.864212002318E+15
Volume	6.3400186902869E+22
Height	38339461.197796