81682045 (number)

81682045 is an odd 8-digits composite number following 81682044 and preceding 81682046. In scientific notation, it is written as 8.1682045 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors. There are 59304960 positive integers (up to 81682045) that are relatively prime to 81682045.

Interesting facts

Basic properties

Name

Name eighty-one million six hundred eighty-two thousand forty-five

Notation

Scientific notation 8.1682045 × 10^7
Engineering notation 8.1682045 × 10^6

Prime Factorization of 81682045

Prime Factorization 5 × 1273 × 41 × 313

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81682045
Product of the distinct prime numbers

The prime factorization of 81682045 is 5 × 1273 × 41 × 313. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 5, 89, 52, 483, 579, 3976, 1117, 91711, 31571, 721154, 633477, 7196472, 5375211, 33451719, 69292545, 91732526, 120601222, 9778727962, 3753565762

Basic calculations (n = 81682045)

Multiplication

n×y
n×2 163364090
n×3 245046135
n×4 326728180
n×5 408410225

Division

n÷y
n÷2 40841022.5
n÷3 27227348.333333
n÷3 20420511.25
n÷5 16336409

Exponentiation

ny
n2 6671956475382025
n3 5.449790490602E+23
n4 4.4515003209392E+31
n5 3.6360764953247E+39

Nth Root

y√n
2√n 9037.8119586546
3√n 433.88589700727
4√n 95.067407446793
5√n 38.231850603833

Divisors of 81682045

1, 5, 41, 205, 313, 1273, 1565, 6365, 12833, 52193, 64165, 260965, 398449, 1992245, 16336409, 81682045

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 -81682044
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 81682045 can be divided by 16 positive divisors. The sum of these divisors (counting 81682045) is 1, the average is 0.0625.

Base conversion 81682045

Base System Value
2 Binary 100110111100101111001111101
3 Ternary 12200200212200221
4 Quaternary 10313211321331
5 Quinary 131402311140
6 Senary 12034421341
8 Octal 467457175
10 Decimal 81682045
12 Duodecimal 23431851
16 Hexadecimal 4de5e7d
20 Vigesimal 15aa525
36 Base36 1cmq9p

Cryptographic Hash Functions

md5 43f91e2ec2d7c7aeb2d064da0b61f270
sha1 344e17491bd9048013b005f2aa12c26f71a90895
sha256 cc16fe3eadd21a513a2cbb3ae262dac5cdb53b9252ae9c35bb585e76b7c9cf8b
sha512 a2d881863040047f53075d449b97161d1c22704ed882c27e00c150c250e09fd35a65ff8ccdf9e4f09f15a518ee9006306e0173d99dd1e5906dfdd594375a4e9f
ripemd-160 5dcbde7919e2503fb0f10e37a8c30a11833d15ad

81682045 as geometric shapes

Circle

Radius = n
Diameter 163364090
Circumference 513223425.00438
Area 2.0960569448131E+16

Sphere

Radius = n
Volume 2.2828029025172E+24
Surface area 8.3842277792524E+16
Circumference 513223425.00438

Square

Length = n
Perimeter 326728180
Area 6671956475382025
Diagonal 115515855.84137

Cube

Length = n
Surface area 40031738852292150
Volume 5.449790490602E+23
Space diagonal 141477452.00613

Equilateral Triangle

Length = n
Perimeter 245046135
Area 2.8890419003125E+15
Altitude 70738726.003064

Triangular Pyramid

Length = n
Surface area 2.8890419003125E+15
Volume 6.4226396865843E+22
Height 38505285.280456