81304810 (number)

81304810 is an even 8-digits composite number following 81304809 and preceding 81304811. In scientific notation, it is written as 8.1304810 × 10^7. The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors. There are 32333248 positive integers (up to 81304810) that are relatively prime to 81304810.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred four thousand eight hundred ten

Notation

Scientific notation 8.1304810 × 10^7
Engineering notation 8.1304810 × 10^6

Prime Factorization of 81304810

Prime Factorization 2 × 5 × 173 × 46997

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81304810
Product of the distinct prime numbers

The prime factorization of 81304810 is 2 × 5 × 173 × 46997. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 6, 64, 29, 836, 840, 1376, 1891, 7536, 76547, 807321, 987567, 260170, 9727221, 72400903, 87744797, 970939420, 420476995, 442036618, 9782628257

Basic calculations (n = 81304810)

Multiplication

n×y
n×2 162609620
n×3 243914430
n×4 325219240
n×5 406524050

Division

n÷y
n÷2 40652405
n÷3 27101603.333333
n÷3 20326202.5
n÷5 16260962

Exponentiation

ny
n2 6610472129136100
n3 5.3746318046971E+23
n4 4.3698341770085E+31
n5 3.5528853749318E+39

Nth Root

y√n
2√n 9016.9179878715
3√n 433.21692270791
4√n 94.957453566697
5√n 38.196471692343

Divisors of 81304810

1, 2, 5, 10, 173, 346, 865, 1730, 46997, 93994, 234985, 469970, 8130481, 16260962, 40652405, 81304810

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 -81304809
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 81304810 can be divided by 16 positive divisors. The sum of these divisors (counting 81304810) is 1, the average is 0.0625.

Base conversion 81304810

Base System Value
2 Binary 100110110001001110011101010
3 Ternary 12122222201020021
4 Quaternary 10312021303222
5 Quinary 131303223220
6 Senary 12022351054
8 Octal 466116352
10 Decimal 81304810
12 Duodecimal 2328b48a
16 Hexadecimal 4d89cea
20 Vigesimal 158320a
36 Base36 1cen6y

Cryptographic Hash Functions

md5 8cf7f8b5025991e45e688fd2c8a82c0a
sha1 7a9decd96860e17242a5f5dd2f826acb49a772f2
sha256 821ce61d82cc80e38376364d536cea19c6ce8cbacbd86320f9f9f94038e4ad3a
sha512 dbf8d44e05a5835e2330d893d8de52ad4cf7f38ec648467ab8dcd00ecdaa6e5c62fc5966882ccc2b267392815affacd8ef173689a16616c2bc396f4aaeee73ef
ripemd-160 f588b36dc92869e837493890915288162b6caa8f

81304810 as geometric shapes

Circle

Radius = n
Diameter 162609620
Circumference 510853187.59503
Area 2.0767410677654E+16

Sphere

Radius = n
Volume 2.2513205057848E+24
Surface area 8.3069642710616E+16
Circumference 510853187.59503

Square

Length = n
Perimeter 325219240
Area 6610472129136100
Diagonal 114982364.98817

Cube

Length = n
Surface area 39662832774816600
Volume 5.3746318046971E+23
Space diagonal 140824061.81973

Equilateral Triangle

Length = n
Perimeter 243914430
Area 2.8624183974204E+15
Altitude 70412030.909867

Triangular Pyramid

Length = n
Surface area 2.8624183974204E+15
Volume 6.3340643258036E+22
Height 38327454.996056