81189 (number)

81189 is an odd 5-digits composite number following 81188 and preceding 81190. In scientific notation, it is written as 8.1189 × 10^4. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 51840 positive integers (up to 81189) that are relatively prime to 81189.

Interesting facts

Basic properties

Name

Name eighty-one thousand one hundred eighty-nine

Notation

Scientific notation 8.1189 × 10^4
Engineering notation 8.1189 × 10^3

Prime Factorization of 81189

Prime Factorization 9 × 3 × 31 × 97

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81189
Product of the distinct prime numbers

The prime factorization of 81189 is 9 × 3 × 31 × 97. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 7, 39, 35, 605, 592, 4569, 2376, 27802, 96506, 920161, 200268, 7852464, 4897896, 73795063, 34618628, 535044208, 835376392, 5595087958, 8148300579

Basic calculations (n = 81189)

Multiplication

n×y
n×2 162378
n×3 243567
n×4 324756
n×5 405945

Division

n÷y
n÷2 40594.5
n÷3 27063
n÷3 20297.25
n÷5 16237.8

Exponentiation

ny
n2 6591653721
n3 535169773954269
n4 4.3449898777573E+19
n5 3.5276538318524E+24

Nth Root

y√n
2√n 284.93683510561
3√n 43.301113458914
4√n 16.880072129751
5√n 9.5917850655758

Divisors of 81189

1, 3, 9, 27, 31, 93, 97, 279, 291, 837, 873, 2619, 3007, 9021, 27063, 81189

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 -81188
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 81189 can be divided by 16 positive divisors. The sum of these divisors (counting 81189) is 1, the average is 0.0625.

Base conversion 81189

Base System Value
2 Binary 10011110100100101
3 Ternary 11010101000
4 Quaternary 103310211
5 Quinary 10044224
6 Senary 1423513
8 Octal 236445
10 Decimal 81189
12 Duodecimal 3ab99
16 Hexadecimal 13d25
20 Vigesimal a2j9
36 Base36 1qn9

Cryptographic Hash Functions

md5 5747286500a3db82df4d54077c816533
sha1 c7c0944907100b84f9445817465346c487e94d9e
sha256 b0bba1dfcec92464299664ab4758321f0665483d866fda519a1113b00d014f14
sha512 627b04336ac66349d6523d6f7e2a333bc28743a1e6aa44248fe1500075370f1a8e641ddaaadc44cc76ab0e34cca5c198559dc2f85e3c2a24b52b3ec4a20146c1
ripemd-160 9fc76b9213a44c280ebbab8d8defe1a2d933cc75

81189 as geometric shapes

Circle

Radius = n
Diameter 162378
Circumference 510125.5319046
Area 20708290904.901

Sphere

Radius = n
Volume 2.2417139070374E+15
Surface area 82833163619.606
Circumference 510125.5319046

Square

Length = n
Perimeter 324756
Area 6591653721
Diagonal 114818.58491551

Cube

Length = n
Surface area 39549922326
Volume 535169773954269
Space diagonal 140623.47301571

Equilateral Triangle

Length = n
Perimeter 243567
Area 2854269787.6681
Altitude 70311.736507855

Triangular Pyramid

Length = n
Surface area 2854269787.6681
Volume 63070362708189
Height 38272.861638503