81650 (number)

81650 is an even 5-digits composite number following 81649 and preceding 81651. In scientific notation, it is written as 8.1650 × 10^4. The sum of its digits is 20. It has a total of 5 prime factors and 24 positive divisors. There are 30800 positive integers (up to 81650) that are relatively prime to 81650.

Interesting facts

Basic properties

Name

Name eighty-one thousand six hundred fifty

Notation

Scientific notation 8.1650 × 10^4
Engineering notation 8.1650 × 10^3

Prime Factorization of 81650

Prime Factorization 2 × 5 × 23 × 5 × 71

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 16330
Product of the distinct prime numbers

The prime factorization of 81650 is 2 × 5 × 23 × 5 × 71. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81650)

Multiplication

n×y
n×2 163300
n×3 244950
n×4 326600
n×5 408250

Division

n÷y
n÷2 40825
n÷3 27216.666666667
n÷3 20412.5
n÷5 16330

Exponentiation

ny
n2 6666722500
n3 544337892125000
n4 4.4445188892006E+19
n5 3.6289496730323E+24

Nth Root

y√n
2√n 285.74464124459
3√n 43.382914976581
4√n 16.903982999417
5√n 9.6026530501071

Divisors of 81650

1, 2, 5, 10, 23, 25, 46, 50, 71, 115, 142, 230, 355, 575, 710, 1150, 1633, 1775, 3266, 3550, 8165, 16330, 40825, 81650

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 -81649
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 81650 can be divided by 24 positive divisors. The sum of these divisors (counting 81650) is 1, the average is 0.041666666666667.

Base conversion 81650

Base System Value
2 Binary 10011111011110010
3 Ternary 11011000002
4 Quaternary 103323302
5 Quinary 10103100
6 Senary 1430002
8 Octal 237362
10 Decimal 81650
12 Duodecimal 3b302
16 Hexadecimal 13ef2
20 Vigesimal a42a
36 Base36 1r02

Cryptographic Hash Functions

md5 a5f3e38d694b845e92a1307311157b51
sha1 4fd3c51351b552a655afe34e5406105c7f2c8c6d
sha256 6bcbfe422f6e7e9d2527229af949148b9e1be34a962f8186a9c0724fcc5265bd
sha512 da525236dcddf5bf1136e879c8f86f61d991a3e6f983643eb41a7d878baf2543b7857d5969e50375a5512cbca217b809c6cf836fd5fc1bc4db44acccc2954de1
ripemd-160 e548e63af697bd06f233fbf428aff2887f4f0916

81650 as geometric shapes

Circle

Radius = n
Diameter 163300
Circumference 513022.08033121
Area 20944126429.522

Sphere

Radius = n
Volume 2.2801172306273E+15
Surface area 83776505718.087
Circumference 513022.08033121

Square

Length = n
Perimeter 326600
Area 6666722500
Diagonal 115470.53736776

Cube

Length = n
Surface area 40000335000
Volume 544337892125000
Space diagonal 141421.948438

Equilateral Triangle

Length = n
Perimeter 244950
Area 2886775522.4907
Altitude 70710.974218999

Triangular Pyramid

Length = n
Surface area 2886775522.4907
Volume 64150835796396
Height 38490.179122588