81330429 (number)

81330429 is an odd 8-digits composite number following 81330428 and preceding 81330430. In scientific notation, it is written as 8.1330429 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 51004800 positive integers (up to 81330429) that are relatively prime to 81330429.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1330429 × 10^7
Engineering notation 8.1330429 × 10^6

Prime Factorization of 81330429

Prime Factorization 3 × 71 × 2747 × 139

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81330429
Product of the distinct prime numbers

The prime factorization of 81330429 is 3 × 71 × 2747 × 139. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 1, 46, 93, 88, 997, 119, 5037, 45597, 75938, 774650, 214494, 4100055, 9519109, 16307951, 68752761, 829860894, 905314983, 8158969291, 5927573981

Basic calculations (n = 81330429)

Multiplication

n×y
n×2 162660858
n×3 243991287
n×4 325321716
n×5 406652145

Division

n÷y
n÷2 40665214.5
n÷3 27110143
n÷3 20332607.25
n÷5 16266085.8

Exponentiation

ny
n2 6614638681324041
n3 5.3797140163208E+23
n4 4.3753444884468E+31
n5 3.5584864426817E+39

Nth Root

y√n
2√n 9018.3384833349
3√n 433.26241988834
4√n 94.964932913865
5√n 38.19887851697

Divisors of 81330429

1, 3, 71, 139, 213, 417, 2747, 8241, 9869, 29607, 195037, 381833, 585111, 1145499, 27110143, 81330429

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81330428
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81330429 can be divided by 16 positive divisors. The sum of these divisors (counting 81330429) is 1, the average is 0.0625.

Base conversion 81330429

Base System Value
2 Binary 100110110010000000011111101
3 Ternary 12200001000101010
4 Quaternary 10312100003331
5 Quinary 131310033204
6 Senary 12023105433
8 Octal 466200375
10 Decimal 81330429
12 Duodecimal 232a2279
16 Hexadecimal 4d900fd
20 Vigesimal 1586619
36 Base36 1cf6yl

Cryptographic Hash Functions

md5 f751fdae12e42c803c73c1e25b892ba8
sha1 a1ef99cddb7c94d57346179f58b5e092a0c50e40
sha256 d3ba1f15ebb1cd2151c1a3aca581e79764ad6b4ca76a8af2806e4476227519ef
sha512 83e2b8b1a144fb22195c56a358e30a3909a96d34f20e9da015d84f1b77e6cc5d1d24c0d2d1d75b65961ccc2c031588e42d40b608cba426a483d27dffbd962c21
ripemd-160 18a68e48a1163772eb30995681dd8a28347223f1

81330429 as geometric shapes

Circle

Radius = n
Diameter 162660858
Circumference 511014156.51941
Area 2.0780500287398E+16

Sphere

Radius = n
Volume 2.2534493376117E+24
Surface area 8.3122001149594E+16
Circumference 511014156.51941

Square

Length = n
Perimeter 325321716
Area 6614638681324041
Diagonal 115018595.72542

Cube

Length = n
Surface area 39687832087944246
Volume 5.3797140163208E+23
Space diagonal 140868435.22937

Equilateral Triangle

Length = n
Perimeter 243991287
Area 2.8642225674409E+15
Altitude 70434217.614687

Triangular Pyramid

Length = n
Surface area 2.8642225674409E+15
Volume 6.3400537696412E+22
Height 38339531.908474