81330669 (number)

81330669 is an odd 8-digits composite number following 81330668 and preceding 81330670. In scientific notation, it is written as 8.1330669 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 32 positive divisors. There are 43711488 positive integers (up to 81330669) that are relatively prime to 81330669.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1330669 × 10^7
Engineering notation 8.1330669 × 10^6

Prime Factorization of 81330669

Prime Factorization 7 × 153 × 3 × 17 × 1489

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 81330669
Product of the distinct prime numbers

The prime factorization of 81330669 is 7 × 153 × 3 × 17 × 1489. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 1, 68, 92, 778, 345, 3191, 9275, 27383, 58783, 362675, 896149, 7141456, 9741591, 68866225, 51957833, 525488900, 756032638, 4669364973, 2419278450

Basic calculations (n = 81330669)

Multiplication

n×y
n×2 162661338
n×3 243992007
n×4 325322676
n×5 406653345

Division

n÷y
n÷2 40665334.5
n÷3 27110223
n÷3 20332667.25
n÷5 16266133.8

Exponentiation

ny
n2 6614677719987561
n3 5.3797616418598E+23
n4 4.37539613393E+31
n5 3.5585389471254E+39

Nth Root

y√n
2√n 9018.3517895456
3√n 433.2628460629
4√n 94.965002972388
5√n 38.198901061349

Divisors of 81330669

1, 3, 7, 17, 21, 51, 119, 153, 357, 459, 1071, 1489, 2601, 3213, 4467, 7803, 10423, 18207, 25313, 31269, 54621, 75939, 177191, 227817, 531573, 683451, 1594719, 3872889, 4784157, 11618667, 27110223, 81330669

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81330668
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81330669 can be divided by 32 positive divisors. The sum of these divisors (counting 81330669) is 1, the average is 0.03125.

Base conversion 81330669

Base System Value
2 Binary 100110110010000000111101101
3 Ternary 12200001000201000
4 Quaternary 10312100013231
5 Quinary 131310040134
6 Senary 12023110513
8 Octal 466200755
10 Decimal 81330669
12 Duodecimal 232a2439
16 Hexadecimal 4d901ed
20 Vigesimal 15866d9
36 Base36 1cf759

Cryptographic Hash Functions

md5 37a81c55b4ac80a0a9d3d521f1ed66bc
sha1 6aa9f4c658976a665dc64340f9e6dda13329e3ab
sha256 df45e2ae1871e46b509d163c64178633c28b906598b6a522093680995453f780
sha512 cae80c72265ed5779cdea677313b98b63a24c43735c814e3a1fcee34f41e93a3df83d987f5b53ff922a3ab4ce63dc2b34a48a1d643c30d7efa1ddc8cc3a75a51
ripemd-160 30012ce99bdf6fa7929c0c6dcef20bb99b206722

81330669 as geometric shapes

Circle

Radius = n
Diameter 162661338
Circumference 511015664.48389
Area 2.0780622930977E+16

Sphere

Radius = n
Volume 2.2534692869508E+24
Surface area 8.3122491723908E+16
Circumference 511015664.48389

Square

Length = n
Perimeter 325322676
Area 6614677719987561
Diagonal 115018935.13668

Cube

Length = n
Surface area 39688066319925366
Volume 5.3797616418598E+23
Space diagonal 140868850.92157

Equilateral Triangle

Length = n
Perimeter 243992007
Area 2.8642394716781E+15
Altitude 70434425.460784

Triangular Pyramid

Length = n
Surface area 2.8642394716781E+15
Volume 6.3401098968773E+22
Height 38339645.045559