81232389 (number)

81232389 is an odd 8-digits composite number following 81232388 and preceding 81232390. In scientific notation, it is written as 8.1232389 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 44393184 positive integers (up to 81232389) that are relatively prime to 81232389.

Interesting facts

Basic properties

Name

Name eighty-one million two hundred thirty-two thousand three hundred eighty-nine

Notation

Scientific notation 8.1232389 × 10^7
Engineering notation 8.1232389 × 10^6

Prime Factorization of 81232389

Prime Factorization 27 × 21 × 23 × 6229

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81232389
Product of the distinct prime numbers

The prime factorization of 81232389 is 27 × 21 × 23 × 6229. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 9, 72, 66, 854, 217, 852, 9362, 66232, 36000, 876994, 265994, 8788403, 9110391, 42416620, 41402597, 579360708, 73165577, 6861678717, 8681766491

Basic calculations (n = 81232389)

Multiplication

n×y
n×2 162464778
n×3 243697167
n×4 324929556
n×5 406161945

Division

n÷y
n÷2 40616194.5
n÷3 27077463
n÷3 20308097.25
n÷5 16246477.8

Exponentiation

ny
n2 6598701022647321
n3 5.3602824836638E+23
n4 4.3542855186287E+31
n5 3.5370901506631E+39

Nth Root

y√n
2√n 9012.9012532037
3√n 433.08825741052
4√n 94.93630102971
5√n 38.189664683525

Divisors of 81232389

1, 21, 23, 27, 483, 567, 621, 6229, 13041, 130809, 143267, 168183, 3008607, 3531843, 3868209, 81232389

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 -81232388
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 81232389 can be divided by 16 positive divisors. The sum of these divisors (counting 81232389) is 1, the average is 0.0625.

Base conversion 81232389

Base System Value
2 Binary 100110101111000001000000101
3 Ternary 12122212000220000
4 Quaternary 10311320020011
5 Quinary 131243414024
6 Senary 12021031513
8 Octal 465701005
10 Decimal 81232389
12 Duodecimal 23255599
16 Hexadecimal 4d78205
20 Vigesimal 157e0j9
36 Base36 1cd3b9

Cryptographic Hash Functions

md5 d3ba085c5bc7fa495881b0baaa8f245b
sha1 a5ef64f97e83ee81d6670b415d1e930a881360d8
sha256 c6ef02befc97b2fb80d8c88ec31d3a26d45202a49d2549d23e154ab1d31e4f9f
sha512 93532b715f29b0ed792492a0e067c6a039f742c55b8aae55933e924a34713d0e3dd31b3cffe394622f762d3b2e9df0412fb575d4c738b5637e04625b76992e9c
ripemd-160 bc48077124a822eb0a4185b118280b6a6a132bfb

81232389 as geometric shapes

Circle

Radius = n
Diameter 162464778
Circumference 510398153.0319
Area 2.0730430655984E+16

Sphere

Radius = n
Volume 2.2453098762459E+24
Surface area 8.2921722623937E+16
Circumference 510398153.0319

Square

Length = n
Perimeter 324929556
Area 6598701022647321
Diagonal 114879946.22777

Cube

Length = n
Surface area 39592206135883926
Volume 5.3602824836638E+23
Space diagonal 140698624.9682

Equilateral Triangle

Length = n
Perimeter 243697167
Area 2.8573213587955E+15
Altitude 70349312.4841

Triangular Pyramid

Length = n
Surface area 2.8573213587955E+15
Volume 6.3171534887903E+22
Height 38293315.409256