81024 (number)

81024 is an even 5-digits composite number following 81023 and preceding 81025. In scientific notation, it is written as 8.1024 × 10^4. The sum of its digits is 15. It has a total of 9 prime factors and 32 positive divisors. There are 26880 positive integers (up to 81024) that are relatively prime to 81024.

Interesting facts

Basic properties

Name

Name eighty-one thousand twenty-four

Notation

Scientific notation 8.1024 × 10^4
Engineering notation 8.1024 × 10^3

Prime Factorization of 81024

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 211

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 1266
Product of the distinct prime numbers

The prime factorization of 81024 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 211. Since it has a total of 9 prime factors.

Most popular turbo-numbers

8, 5, 92, 19, 748, 402, 9217, 8585, 17363, 28700, 6423, 612709, 5676572, 9965030, 9153970, 55003919, 186039639, 741715037, 1193034915, 1595053138

Basic calculations (n = 81024)

Multiplication

n×y
n×2 162048
n×3 243072
n×4 324096
n×5 405120

Division

n÷y
n÷2 40512
n÷3 27008
n÷3 20256
n÷5 16204.8

Exponentiation

ny
n2 6564888576
n3 531913531981824
n4 4.3097762015295E+19
n5 3.4919530695273E+24

Nth Root

y√n
2√n 284.64714999452
3√n 43.271760019294
4√n 16.871489264274
5√n 9.5878832250134

Divisors of 81024

1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 211, 384, 422, 633, 844, 1266, 1688, 2532, 3376, 5064, 6752, 10128, 13504, 20256, 27008, 40512, 81024

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81023
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81024 can be divided by 32 positive divisors. The sum of these divisors (counting 81024) is 1, the average is 0.03125.

Base conversion 81024

Base System Value
2 Binary 10011110010000000
3 Ternary 11010010220
4 Quaternary 103302000
5 Quinary 10043044
6 Senary 1423040
8 Octal 236200
10 Decimal 81024
12 Duodecimal 3aa80
16 Hexadecimal 13c80
20 Vigesimal a2b4
36 Base36 1qio

Cryptographic Hash Functions

md5 d9e8acf88a4beee89261079022007615
sha1 d18ac00828febdd2a1f5d3db41872980cddb8807
sha256 08da9e608db69554b7b9182f644b0452ea4d7513059bcaea8ce35a1b28864a79
sha512 e8c6020e7d0eeedcb973e3b6f6f7de00c73c4e7adf7d720c9b085604c903e347e90da1b3d05abe3474b1a891d4b0976e0e93b877d9fe69690200ae72c7d369b3
ripemd-160 4877a3d2623fd542436f4350bb5ce07cd307b9b5

81024 as geometric shapes

Circle

Radius = n
Diameter 162048
Circumference 509088.80632892
Area 20624205721.997

Sphere

Radius = n
Volume 2.2280741925588E+15
Surface area 82496822887.989
Circumference 509088.80632892

Square

Length = n
Perimeter 324096
Area 6564888576
Diagonal 114585.23967772

Cube

Length = n
Surface area 39389331456
Volume 531913531981824
Space diagonal 140337.68463246

Equilateral Triangle

Length = n
Perimeter 243072
Area 2842680139.9151
Altitude 70168.84231623

Triangular Pyramid

Length = n
Surface area 2842680139.9151
Volume 62686610911539
Height 38195.079892573