81264694 (number)

81264694 is an even 8-digits composite number following 81264693 and preceding 81264695. In scientific notation, it is written as 8.1264694 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 34827720 positive integers (up to 81264694) that are relatively prime to 81264694.

Interesting facts

Basic properties

Name

Name eighty-one million two hundred sixty-four thousand six hundred ninety-four

Notation

Scientific notation 8.1264694 × 10^7
Engineering notation 8.1264694 × 10^6

Prime Factorization of 81264694

Prime Factorization 2 × 7 × 5804621

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81264694
Product of the distinct prime numbers

The prime factorization of 81264694 is 2 × 7 × 5804621. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81264694)

Multiplication

n×y
n×2 162529388
n×3 243794082
n×4 325058776
n×5 406323470

Division

n÷y
n÷2 40632347
n÷3 27088231.333333
n÷3 20316173.5
n÷5 16252938.8

Exponentiation

ny
n2 6603950490913636
n3 5.3666801583525E+23
n4 4.3612162086438E+31
n5 3.5441290066328E+39

Nth Root

y√n
2√n 9014.6932282801
3√n 433.14566087594
4√n 94.94573833659
5√n 38.192701700968

Divisors of 81264694

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 -81264693
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 81264694 can be divided by 8 positive divisors. The sum of these divisors (counting 81264694) is 1, the average is 0.125.

Base conversion 81264694

Base System Value
2 Binary 100110110000000000000110110
3 Ternary 12122220200012111
4 Quaternary 10312000000312
5 Quinary 131300432234
6 Senary 12021441234
8 Octal 466000066
10 Decimal 81264694
12 Duodecimal 2327021a
16 Hexadecimal 4d80036
20 Vigesimal 157i1ee
36 Base36 1cds8m

Cryptographic Hash Functions

md5 2ea1509bc2053aaeacc64633de226bb0
sha1 b19e7b537b2c0600f1933428cf6404465d34649d
sha256 80ecaf193a2409f0854beea4bd067aeb1e696871150b6ef6edbe493209c8c2d9
sha512 5ca7fb282078395c034fed4126cbaca876c9d25bddbb22c1d253981a238ce8c282fa4daaa5c8d47f046c5c160d665d3166e3873271b7d916bd609315e3e3649a
ripemd-160 b27f8d360e67705992ff6c6bfbf0b950643019e3

81264694 as geometric shapes

Circle

Radius = n
Diameter 162529388
Circumference 510601131.33325
Area 2.0746922346925E+16

Sphere

Radius = n
Volume 2.2479897279528E+24
Surface area 8.29876893877E+16
Circumference 510601131.33325

Square

Length = n
Perimeter 325058776
Area 6603950490913636
Diagonal 114925632.3969

Cube

Length = n
Surface area 39623702945481816
Volume 5.3666801583525E+23
Space diagonal 140754578.86954

Equilateral Triangle

Length = n
Perimeter 243794082
Area 2.859594445233E+15
Altitude 70377289.434769

Triangular Pyramid

Length = n
Surface area 2.859594445233E+15
Volume 6.3246932207172E+22
Height 38308544.1323