81246 (number)

81246 is an even 5-digits composite number following 81245 and preceding 81247. In scientific notation, it is written as 8.1246 × 10^4. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 24600 positive integers (up to 81246) that are relatively prime to 81246.

Interesting facts

Basic properties

Name

Name eighty-one thousand two hundred forty-six

Notation

Scientific notation 8.1246 × 10^4
Engineering notation 8.1246 × 10^3

Prime Factorization of 81246

Prime Factorization 2 × 33 × 1231

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81246
Product of the distinct prime numbers

The prime factorization of 81246 is 2 × 33 × 1231. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81246)

Multiplication

n×y
n×2 162492
n×3 243738
n×4 324984
n×5 406230

Division

n÷y
n÷2 40623
n÷3 27082
n÷3 20311.5
n÷5 16249.2

Exponentiation

ny
n2 6600912516
n3 536297738274936
n4 4.3572046043885E+19
n5 3.5400544528815E+24

Nth Root

y√n
2√n 285.03683972427
3√n 43.311244495089
4√n 16.883034079343
5√n 9.5931314998877

Divisors of 81246

1, 2, 33, 66, 1231, 2462, 40623, 81246

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81245
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81246 can be divided by 8 positive divisors. The sum of these divisors (counting 81246) is 1, the average is 0.125.

Base conversion 81246

Base System Value
2 Binary 10011110101011110
3 Ternary 11010110010
4 Quaternary 103311132
5 Quinary 10044441
6 Senary 1424050
8 Octal 236536
10 Decimal 81246
12 Duodecimal 3b026
16 Hexadecimal 13d5e
20 Vigesimal a326
36 Base36 1qou

Cryptographic Hash Functions

md5 0e26b27fe5d7fd76b3ae5a37f74b943e
sha1 c1909b08510107488939e3b074c19a01bcee9de5
sha256 f19a4bfca8f26cbf6a50cb60625bb7f3cc2974dcdae150cf0ec1667dc6a3df14
sha512 e0d2c345128bf35ae753871fc994841b7c1ebb231923d95e5e2114863edc0089c456c685e0b26bb498b53a2670026e1c48a836513d7179c75d113eb77cbf57e5
ripemd-160 ce5182b48b097989dac0658c72c5ebb55d66f06b

81246 as geometric shapes

Circle

Radius = n
Diameter 162492
Circumference 510483.67346711
Area 20737378267.255

Sphere

Radius = n
Volume 2.2464387129351E+15
Surface area 82949513069.018
Circumference 510483.67346711

Square

Length = n
Perimeter 324984
Area 6600912516
Diagonal 114899.19508856

Cube

Length = n
Surface area 39605475096
Volume 536297738274936
Space diagonal 140722.19991174

Equilateral Triangle

Length = n
Perimeter 243738
Area 2858278963.5073
Altitude 70361.09995587

Triangular Pyramid

Length = n
Surface area 2858278963.5073
Volume 63203294578203
Height 38299.731696188