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

81330289 (number)

81330289 is an odd 8-digits composite number following 81330288 and preceding 81330290. In scientific notation, it is written as 8.1330289 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 80350324 positive integers (up to 81330289) that are relatively prime to 81330289.

Interesting facts

81330289 has 4 divisors, whose sum is 82310256
The reverse of 81330289 is 98203318
Previous prime number is 83

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7

Name

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

Notation

Scientific notation	8.1330289 × 10^7
Engineering notation	8.1330289 × 10^6

Prime Factorization of 81330289

Prime Factorization 83 × 979883

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81330289	Product of the distinct prime numbers

The prime factorization of 81330289 is 83 × 979883. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 6, 33, 91, 755, 542, 8146, 2253, 43509, 34211, 798373, 797776, 6805417, 1700226, 19950647, 5457585, 354525822, 132130062, 1057597949, 9117537600

Basic calculations (n = 81330289)

Multiplication

n×y

n×2	162660578
n×3	243990867
n×4	325321156
n×5	406651445

Division

n÷y

n÷2	40665144.5
n÷3	27110096.333333
n÷3	20332572.25
n÷5	16266057.8

Exponentiation

n^y

n²	6614615908823521
n³	5.3796862348861E+23
n⁴	4.3753143621261E+31
n⁵	3.5584558153757E+39

Nth Root

^y√n

²√n	9018.3307213697
³√n	433.26217128613
⁴√n	94.964892046322
⁵√n	38.198865366058

Divisors of 81330289

1, 83, 979883, 81330289

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	-81330288	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 81330289 can be divided by 4 positive divisors. The sum of these divisors (counting 81330289) is 1, the average is 0.25.

Base conversion 81330289

Base	System	Value
2	Binary	100110110010000000001110001
3	Ternary	12200001000011221
4	Quaternary	10312100001301
5	Quinary	131310032124
6	Senary	12023105041
8	Octal	466200161
10	Decimal	81330289
12	Duodecimal	232a2181
16	Hexadecimal	4d90071
20	Vigesimal	15865e9
36	Base36	1cf6up

Cryptographic Hash Functions

md5	251e3fdb1b8509125de790ea17bf0421
sha1	5fd380bb3acdf7ef72914ee7a5684eea6f1e5a94
sha256	60f051f5585afe786da89b76ff5ae5af23155d0df2ce064e4a2d63e4ef1d74fa
sha512	2bb3064790341c2ab7a824563a1084dd58abe1653d3220c468fffc7f49fa8bf32c8a7cadb18fd9a071de75c3f87365935bf93bffcdb9ca1d81a4ff39a2faf153
ripemd-160	89d49d38d9eeaa2cb55b3278c2a169e12dc9a677

81330289 as geometric shapes

Circle

Radius = n

Diameter	162660578
Circumference	511013276.87347
Area	2.0780428745478E+16

Sphere

Radius = n

Volume	2.2534377005515E+24
Surface area	8.3121714981913E+16
Circumference	511013276.87347

Square

Length = n

Perimeter	325321156
Area	6614615908823521
Diagonal	115018397.73552

Cube

Length = n

Surface area	39687695452941126
Volume	5.3796862348861E+23
Space diagonal	140868192.74226

Equilateral Triangle

Length = n

Perimeter	243990867
Area	2.8642127066589E+15
Altitude	70434096.37113

Triangular Pyramid

Length = n

Surface area	2.8642127066589E+15
Volume	6.3400210289065E+22
Height	38339465.911841