81330275 (number)

81330275 is an odd 8-digits composite number following 81330274 and preceding 81330276. In scientific notation, it is written as 8.1330275 × 10^7. The sum of its digits is 29. It has a total of 5 prime factors and 24 positive divisors. There are 59760000 positive integers (up to 81330275) that are relatively prime to 81330275.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred thirty thousand two hundred seventy-five

Notation

Scientific notation 8.1330275 × 10^7
Engineering notation 8.1330275 × 10^6

Prime Factorization of 81330275

Prime Factorization 5 × 5 × 13 × 251 × 997

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 16266055
Product of the distinct prime numbers

The prime factorization of 81330275 is 5 × 5 × 13 × 251 × 997. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 8, 66, 49, 583, 182, 1520, 5527, 92640, 14572, 737144, 994539, 206389, 9211312, 7934673, 39133072, 987463416, 783387910, 2911554103, 5451189316

Basic calculations (n = 81330275)

Multiplication

n×y
n×2 162660550
n×3 243990825
n×4 325321100
n×5 406651375

Division

n÷y
n÷2 40665137.5
n÷3 27110091.666667
n÷3 20332568.75
n÷5 16266055

Exponentiation

ny
n2 6614613631575625
n3 5.3796834567479E+23
n4 4.3753113495026E+31
n5 3.5584527526567E+39

Nth Root

y√n
2√n 9018.3299451728
3√n 433.26214642589
4√n 94.964887959565
5√n 38.198864050966

Divisors of 81330275

1, 5, 13, 25, 65, 251, 325, 997, 1255, 3263, 4985, 6275, 12961, 16315, 24925, 64805, 81575, 250247, 324025, 1251235, 3253211, 6256175, 16266055, 81330275

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 -81330274
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 81330275 can be divided by 24 positive divisors. The sum of these divisors (counting 81330275) is 1, the average is 0.041666666666667.

Base conversion 81330275

Base System Value
2 Binary 100110110010000000001100011
3 Ternary 12200001000011102
4 Quaternary 10312100001203
5 Quinary 131310032100
6 Senary 12023105015
8 Octal 466200143
10 Decimal 81330275
12 Duodecimal 232a216b
16 Hexadecimal 4d90063
20 Vigesimal 15865df
36 Base36 1cf6ub

Cryptographic Hash Functions

md5 448ed0e8a349f05125d3cd0592fbec7c
sha1 79d4444d4b02cb1cc803d0decd397cecf3f30f55
sha256 b14c1c9ef070648f2b3acf852520a37f59f08fb16e07cb216ad893ab0ce937ae
sha512 8e7882d5e0f69e372781d08b2d02750c035f2acccb4738f165ba3702dbdba983cca08a33cebe8e43cfe4d6be59e486c20377e85fc00374f901dcbe517a9c8252
ripemd-160 3d4003141898d3ff118b83036adade068a3eb0dd

81330275 as geometric shapes

Circle

Radius = n
Diameter 162660550
Circumference 511013188.90888
Area 2.0780421591293E+16

Sphere

Radius = n
Volume 2.2534365368477E+24
Surface area 8.3121686365172E+16
Circumference 511013188.90888

Square

Length = n
Perimeter 325321100
Area 6614613631575625
Diagonal 115018377.93653

Cube

Length = n
Surface area 39687681789453750
Volume 5.3796834567479E+23
Space diagonal 140868168.49355

Equilateral Triangle

Length = n
Perimeter 243990825
Area 2.8642117205817E+15
Altitude 70434084.246774

Triangular Pyramid

Length = n
Surface area 2.8642117205817E+15
Volume 6.3400177548393E+22
Height 38339459.312178