81982783 (number)

81982783 is an odd 8-digits prime number following 81982782 and preceding 81982784. In scientific notation, it is written as 8.1982783 × 10^7. The sum of its digits is 46. It has a total of 1 prime factors and 2 positive divisors. There are 81982782 positive integers (up to 81982783) that are relatively prime to 81982783.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1982783 × 10^7
Engineering notation 8.1982783 × 10^6

Prime Factorization of 81982783

Prime Factorization 81982783

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 81982783
Product of the distinct prime numbers

The prime factorization of 81982783 is 81982783. Since it has a total of 1 prime factors.

Most popular turbo-numbers

2, 2, 79, 87, 705, 764, 3632, 5762, 20860, 14180, 393534, 613937, 285434, 3897886, 85254685, 33392302, 428172543, 558804163, 93099124, 7579763361

Basic calculations (n = 81982783)

Multiplication

n×y
n×2 163965566
n×3 245948349
n×4 327931132
n×5 409913915

Division

n÷y
n÷2 40991391.5
n÷3 27327594.333333
n÷3 20495695.75
n÷5 16396556.6

Exponentiation

ny
n2 6721176708425089
n3 5.5102077159147E+23
n4 4.5174216345876E+31
n5 3.703507975879E+39

Nth Root

y√n
2√n 9054.4344384395
3√n 434.41774037631
4√n 95.154791988841
5√n 38.259961737784

Divisors of 81982783

1, 81982783

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 81982784
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 40991392
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 9054.4344936611
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999756046
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81982783 can be divided by 2 positive divisors. The sum of these divisors (counting 81982783) is 81982784, the average is 40991392.

Base conversion 81982783

Base System Value
2 Binary 100111000101111010100111111
3 Ternary 12201021011020101
4 Quaternary 10320233110333
5 Quinary 131441422113
6 Senary 12045101531
8 Octal 470572477
10 Decimal 81982783
12 Duodecimal 235578a7
16 Hexadecimal 4e2f53f
20 Vigesimal 15c7gj3
36 Base36 1ct6bj

Cryptographic Hash Functions

md5 63c21354ded596555574d346c2b0edfc
sha1 9edf5644460456174e42dc1324e0ca78d8d7109f
sha256 44459101464a1518564be3a702a85ea12b6631718fbf1751df248689244ffd7c
sha512 768a428fc9a2113806943f45669d545f61e96a6c30ffe8358b5670f5e2a5355b4b7f9e418dd10c7467b219e344e8cca2d12883473e7d0317ea14e9f360572774
ripemd-160 b6ed03f13d8cdcbc4c6754ee915836c833bc6c73

81982783 as geometric shapes

Circle

Radius = n
Diameter 163965566
Circumference 515113017.58729
Area 2.1115199370667E+16

Sphere

Radius = n
Volume 2.3081104106762E+24
Surface area 8.4460797482668E+16
Circumference 515113017.58729

Square

Length = n
Perimeter 327931132
Area 6721176708425089
Diagonal 115941163.59969

Cube

Length = n
Surface area 40327060250550534
Volume 5.5102077159147E+23
Space diagonal 141998345.50189

Equilateral Triangle

Length = n
Perimeter 245948349
Area 2.9103548864102E+15
Altitude 70999172.750947

Triangular Pyramid

Length = n
Surface area 2.9103548864102E+15
Volume 6.4938420694495E+22
Height 38647054.53323