81330266 (number)

81330266 is an even 8-digits composite number following 81330265 and preceding 81330267. In scientific notation, it is written as 8.1330266 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 40263888 positive integers (up to 81330266) that are relatively prime to 81330266.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred thirty thousand two hundred sixty-six

Notation

Scientific notation 8.1330266 × 10^7
Engineering notation 8.1330266 × 10^6

Prime Factorization of 81330266

Prime Factorization 2 × 170147 × 239

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81330266
Product of the distinct prime numbers

The prime factorization of 81330266 is 2 × 170147 × 239. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81330266)

Multiplication

n×y
n×2 162660532
n×3 243990798
n×4 325321064
n×5 406651330

Division

n÷y
n÷2 40665133
n÷3 27110088.666667
n÷3 20332566.5
n÷5 16266053.2

Exponentiation

ny
n2 6614612167630756
n3 5.3796816708025E+23
n4 4.3753094128169E+31
n5 3.558450783767E+39

Nth Root

y√n
2√n 9018.329446189
3√n 433.26213044431
4√n 94.964885332364
5√n 38.198863205549

Divisors of 81330266

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81330265
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81330266 can be divided by 8 positive divisors. The sum of these divisors (counting 81330266) is 1, the average is 0.125.

Base conversion 81330266

Base System Value
2 Binary 100110110010000000001011010
3 Ternary 12200001000011002
4 Quaternary 10312100001122
5 Quinary 131310032031
6 Senary 12023105002
8 Octal 466200132
10 Decimal 81330266
12 Duodecimal 232a2162
16 Hexadecimal 4d9005a
20 Vigesimal 15865d6
36 Base36 1cf6u2

Cryptographic Hash Functions

md5 8323bf9c511e7dba07815b0375c20cbd
sha1 7098e6b9850a0cdc55f81a02dd3ec3e60f1b774a
sha256 f9c14c2bea05d0ae44036d17772fbc1aa2ecd7a75e5527706896b991148169ed
sha512 26ed845880b9f6eb8ffec5e077ead9f954809b80fce7579af4b65efdc936db02c2b2c902854627b287dd262a16746a6af49ee2ecb124066e80a8b454adae4003
ripemd-160 02e6a76dd8cfbdb43377ede1f4b9094b734ef8f7

81330266 as geometric shapes

Circle

Radius = n
Diameter 162660532
Circumference 511013132.36021
Area 2.0780416992174E+16

Sphere

Radius = n
Volume 2.2534357887526E+24
Surface area 8.3121667968698E+16
Circumference 511013132.36021

Square

Length = n
Perimeter 325321064
Area 6614612167630756
Diagonal 115018365.20861

Cube

Length = n
Surface area 39687673005784536
Volume 5.3796816708025E+23
Space diagonal 140868152.90509

Equilateral Triangle

Length = n
Perimeter 243990798
Area 2.8642110866749E+15
Altitude 70434076.452546

Triangular Pyramid

Length = n
Surface area 2.8642110866749E+15
Volume 6.3400156500823E+22
Height 38339455.069537