81282 (number)

81282 is an even 5-digits composite number following 81281 and preceding 81283. In scientific notation, it is written as 8.1282 × 10^4. The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors. There are 23760 positive integers (up to 81282) that are relatively prime to 81282.

Interesting facts

Basic properties

Name

Name eighty-one thousand two hundred eighty-two

Notation

Scientific notation 8.1282 × 10^4
Engineering notation 8.1282 × 10^3

Prime Factorization of 81282

Prime Factorization 2 × 69 × 19 × 31

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81282
Product of the distinct prime numbers

The prime factorization of 81282 is 2 × 69 × 19 × 31. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 5, 32, 75, 504, 869, 5212, 9644, 83553, 37891, 265113, 914526, 144372, 1678582, 49682887, 72270746, 898800924, 804142849, 9348160482, 2554708393

Basic calculations (n = 81282)

Multiplication

n×y
n×2 162564
n×3 243846
n×4 325128
n×5 406410

Division

n÷y
n÷2 40641
n÷3 27094
n÷3 20320.5
n÷5 16256.4

Exponentiation

ny
n2 6606763524
n3 537010952757768
n4 4.3649324262057E+19
n5 3.5479043746685E+24

Nth Root

y√n
2√n 285.09998246229
3√n 43.31764060306
4√n 16.884903981435
5√n 9.5939814901399

Divisors of 81282

1, 2, 19, 31, 38, 62, 69, 138, 589, 1178, 1311, 2139, 2622, 4278, 40641, 81282

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 -81281
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 81282 can be divided by 16 positive divisors. The sum of these divisors (counting 81282) is 1, the average is 0.0625.

Base conversion 81282

Base System Value
2 Binary 10011110110000010
3 Ternary 11010111110
4 Quaternary 103312002
5 Quinary 10100112
6 Senary 1424150
8 Octal 236602
10 Decimal 81282
12 Duodecimal 3b056
16 Hexadecimal 13d82
20 Vigesimal a342
36 Base36 1qpu

Cryptographic Hash Functions

md5 3a76141235aa380d32b4b906e860dfe5
sha1 646c72372b2c73a62d0216c1cafb86e8468dcc49
sha256 ffbfce425cb3edd33533feb6e71a9de98cc4cbc3fe17f7265b9475733cff2c66
sha512 9726f83832b03b6469411542146645baf9703c9d94bdb8b2298676d129b881d4080f0e30746b830ed8a6e9231965380bc79e90807b1fae7facc93e5f10cff6ba
ripemd-160 688da54d0d023bef6c39c12a11355327cc2a5134

81282 as geometric shapes

Circle

Radius = n
Diameter 162564
Circumference 510709.86813817
Area 20755759751.003

Sphere

Radius = n
Volume 2.2494262187747E+15
Surface area 83023039004.014
Circumference 510709.86813817

Square

Length = n
Perimeter 325128
Area 6606763524
Diagonal 114950.10677681

Cube

Length = n
Surface area 39640581144
Volume 537010952757768
Space diagonal 140784.55374081

Equilateral Triangle

Length = n
Perimeter 243846
Area 2860812524.2902
Altitude 70392.276870407

Triangular Pyramid

Length = n
Surface area 2860812524.2902
Volume 63287347711078
Height 38316.702258937