81396 (number)

81396 is an even 5-digits composite number following 81395 and preceding 81397. In scientific notation, it is written as 8.1396 × 10^4. The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors. There are 20736 positive integers (up to 81396) that are relatively prime to 81396.

Interesting facts

Basic properties

Name

Name eighty-one thousand three hundred ninety-six

Notation

Scientific notation 8.1396 × 10^4
Engineering notation 8.1396 × 10^3

Prime Factorization of 81396

Prime Factorization 2 × 2 × 63 × 19 × 17

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 40698
Product of the distinct prime numbers

The prime factorization of 81396 is 2 × 2 × 63 × 19 × 17. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81396)

Multiplication

n×y
n×2 162792
n×3 244188
n×4 325584
n×5 406980

Division

n÷y
n÷2 40698
n÷3 27132
n÷3 20349
n÷5 16279.2

Exponentiation

ny
n2 6625308816
n3 539273636387136
n4 4.3894716907367E+19
n5 3.5728543773921E+24

Nth Root

y√n
2√n 285.29984227125
3√n 43.337882494139
4√n 16.890821243245
5√n 9.5966711405458

Divisors of 81396

1, 2, 4, 17, 19, 34, 38, 63, 68, 76, 126, 252, 323, 646, 1071, 1197, 1292, 2142, 2394, 4284, 4788, 20349, 40698, 81396

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81395
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81396 can be divided by 24 positive divisors. The sum of these divisors (counting 81396) is 1, the average is 0.041666666666667.

Base conversion 81396

Base System Value
2 Binary 10011110111110100
3 Ternary 11010122200
4 Quaternary 103313310
5 Quinary 10101041
6 Senary 1424500
8 Octal 236764
10 Decimal 81396
12 Duodecimal 3b130
16 Hexadecimal 13df4
20 Vigesimal a39g
36 Base36 1qt0

Cryptographic Hash Functions

md5 7acccf55c279f4d0a270e729112f0b2f
sha1 ffc095a18bbbf35713425c1b02819d157f1b2011
sha256 2b462af2afcf973ba98cf784f41f1a8fb94e3a9b3d32281b99df61bf2826d8b9
sha512 a9e48e2024b869eb5a41cb8f929a3301e40e51b5ae46f3913fbedda2864a074ee22626d0093c341b3e864edfa9495aeeeb74a042d08872d54a4f325a32d05b46
ripemd-160 f8109a9a03571c1122fcf84c393cb34b57101003

81396 as geometric shapes

Circle

Radius = n
Diameter 162792
Circumference 511426.15126319
Area 20814021504.109

Sphere

Radius = n
Volume 2.258904125798E+15
Surface area 83256086016.437
Circumference 511426.15126319

Square

Length = n
Perimeter 325584
Area 6625308816
Diagonal 115111.32712292

Cube

Length = n
Surface area 39751852896
Volume 539273636387136
Space diagonal 140982.00753288

Equilateral Triangle

Length = n
Perimeter 244188
Area 2868842871.2865
Altitude 70491.003766438

Triangular Pyramid

Length = n
Surface area 2868842871.2865
Volume 63554007534079
Height 38370.442374307