81330862 (number)

81330862 is an even 8-digits composite number following 81330861 and preceding 81330863. In scientific notation, it is written as 8.1330862 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 40665430 positive integers (up to 81330862) that are relatively prime to 81330862.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1330862 × 10^7
Engineering notation 8.1330862 × 10^6

Prime Factorization of 81330862

Prime Factorization 2 × 40665431

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81330862
Product of the distinct prime numbers

The prime factorization of 81330862 is 2 × 40665431. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81330862)

Multiplication

n×y
n×2 162661724
n×3 243992586
n×4 325323448
n×5 406654310

Division

n÷y
n÷2 40665431
n÷3 27110287.333333
n÷3 20332715.5
n÷5 16266172.4

Exponentiation

ny
n2 6614709113663044
n3 5.3797999409347E+23
n4 4.3754376658377E+31
n5 3.5585811698985E+39

Nth Root

y√n
2√n 9018.3624899424
3√n 433.26318877766
4√n 94.965059311003
5√n 38.198919190749

Divisors of 81330862

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 -81330861
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 81330862 can be divided by 4 positive divisors. The sum of these divisors (counting 81330862) is 1, the average is 0.25.

Base conversion 81330862

Base System Value
2 Binary 100110110010000001010101110
3 Ternary 12200001000222011
4 Quaternary 10312100022232
5 Quinary 131310041422
6 Senary 12023111434
8 Octal 466201256
10 Decimal 81330862
12 Duodecimal 232a257a
16 Hexadecimal 4d902ae
20 Vigesimal 1586732
36 Base36 1cf7am

Cryptographic Hash Functions

md5 7918c48873c27b2f5141b651d36f0624
sha1 03240859acef7c980b9b6e7656ad09bb2efd2c5c
sha256 caf622adcf393cd9a7a5d3d9d88ac6ebcbdc46aa7e8cbd4e5830a2816334d09b
sha512 3342da5f6b40652caf2db5149f97f6cbee28f85b39e9664aad4e4d9686eed8cd1edc32c1f07f9d2e9f48d62551f0115d21fa99d5a9692d25c4952b309d379893
ripemd-160 144e84adc6f28f93117b7c72407d3ac0281eee96

81330862 as geometric shapes

Circle

Radius = n
Diameter 162661724
Circumference 511016877.13865
Area 2.0780721557117E+16

Sphere

Radius = n
Volume 2.2534853296298E+24
Surface area 8.3122886228469E+16
Circumference 511016877.13865

Square

Length = n
Perimeter 325323448
Area 6614709113663044
Diagonal 115019208.07989

Cube

Length = n
Surface area 39688254681978264
Volume 5.3797999409347E+23
Space diagonal 140869185.20737

Equilateral Triangle

Length = n
Perimeter 243992586
Area 2.8642530655383E+15
Altitude 70434592.603686

Triangular Pyramid

Length = n
Surface area 2.8642530655383E+15
Volume 6.3401550327699E+22
Height 38339736.026632