81279600 (number)

81279600 is an even 8-digits composite number following 81279599 and preceding 81279601. In scientific notation, it is written as 8.1279600 × 10^7. The sum of its digits is 33. It has a total of 7 prime factors and 40 positive divisors. There are 21674240 positive integers (up to 81279600) that are relatively prime to 81279600.

Interesting facts

Basic properties

Name

Name eighty-one million two hundred seventy-nine thousand six hundred

Notation

Scientific notation 8.1279600 × 10^7
Engineering notation 8.1279600 × 10^6

Prime Factorization of 81279600

Prime Factorization 2 × 2 × 2 × 2 × 3 × 25 × 67733

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 10159950
Product of the distinct prime numbers

The prime factorization of 81279600 is 2 × 2 × 2 × 2 × 3 × 25 × 67733. Since it has a total of 7 prime factors.

Most popular turbo-numbers

2, 9, 91, 43, 528, 672, 7203, 710, 7744, 53151, 581247, 611007, 1584382, 16619, 51491697, 9038546, 122026804, 574087319, 1945370147, 4318134183

Basic calculations (n = 81279600)

Multiplication

n×y
n×2 162559200
n×3 243838800
n×4 325118400
n×5 406398000

Division

n÷y
n÷2 40639800
n÷3 27093200
n÷3 20319900
n÷5 16255920

Exponentiation

ny
n2 6606373376160000
n3 5.3696338546493E+23
n4 4.3644169185236E+31
n5 3.5473806137083E+39

Nth Root

y√n
2√n 9015.5199517277
3√n 433.17214254624
4√n 94.950091899522
5√n 38.194102699651

Divisors of 81279600

1, 2, 3, 4, 6, 8, 12, 16, 24, 25, 48, 50, 75, 100, 150, 200, 300, 400, 600, 1200, 67733, 135466, 203199, 270932, 406398, 541864, 812796, 1083728, 1625592, 1693325, 3251184, 3386650, 5079975, 6773300, 10159950, 13546600, 20319900, 27093200, 40639800, 81279600

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81279599
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81279600 can be divided by 40 positive divisors. The sum of these divisors (counting 81279600) is 1, the average is 0.025.

Base conversion 81279600

Base System Value
2 Binary 100110110000011101001110000
3 Ternary 12122221102122120
4 Quaternary 10312003221300
5 Quinary 131301421400
6 Senary 12022034240
8 Octal 466035160
10 Decimal 81279600
12 Duodecimal 23278980
16 Hexadecimal 4d83a70
20 Vigesimal 157jj00
36 Base36 1ce3qo

Cryptographic Hash Functions

md5 cd007e6c5dd935ff2038863299189177
sha1 17572f139d648e8aa43959c0b0e1f0192ba1d833
sha256 a5557865a83fb8a0893e49d3b4a415b6a3cf7b5b2c50651042a4ba18386a5b9c
sha512 3cddcd8583a4e6b7a1ea3d090cf3dedfbd2de6eed51d2968f49c76f4a16e2eb0cf324e81626b0cd30c0b3327d094bc3661245af1eb0ff6c22082c57e73f03e31
ripemd-160 23ea5ee8390bb02590eccdef1f3b0f11274fb536

81279600 as geometric shapes

Circle

Radius = n
Diameter 162559200
Circumference 510694788.49343
Area 2.0754534065415E+16

Sphere

Radius = n
Volume 2.2492269693645E+24
Surface area 8.3018136261662E+16
Circumference 510694788.49343

Square

Length = n
Perimeter 325118400
Area 6606373376160000
Diagonal 114946712.66426

Cube

Length = n
Surface area 39638240256960000
Volume 5.3696338546493E+23
Space diagonal 140780396.81888

Equilateral Triangle

Length = n
Perimeter 243838800
Area 2.8606435853199E+15
Altitude 70390198.409438

Triangular Pyramid

Length = n
Surface area 2.8606435853199E+15
Volume 6.3281741851857E+22
Height 38315570.888087