81298082 (number)

81298082 is an even 8-digits composite number following 81298081 and preceding 81298083. In scientific notation, it is written as 8.1298082 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 40649040 positive integers (up to 81298082) that are relatively prime to 81298082.

Interesting facts

Basic properties

Name

Name eighty-one million two hundred ninety-eight thousand eighty-two

Notation

Scientific notation 8.1298082 × 10^7
Engineering notation 8.1298082 × 10^6

Prime Factorization of 81298082

Prime Factorization 2 × 40649041

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81298082
Product of the distinct prime numbers

The prime factorization of 81298082 is 2 × 40649041. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81298082)

Multiplication

n×y
n×2 162596164
n×3 243894246
n×4 325192328
n×5 406490410

Division

n÷y
n÷2 40649041
n÷3 27099360.666667
n÷3 20324520.5
n÷5 16259616.4

Exponentiation

ny
n2 6609378136878724
n3 5.3732976574097E+23
n4 4.368387935625E+31
n5 3.5514156059826E+39

Nth Root

y√n
2√n 9016.5449036757
3√n 433.20497276359
4√n 94.955489065539
5√n 38.195839517277

Divisors of 81298082

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81298081
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81298082 can be divided by 4 positive divisors. The sum of these divisors (counting 81298082) is 1, the average is 0.25.

Base conversion 81298082

Base System Value
2 Binary 100110110001000001010100010
3 Ternary 12122222101000002
4 Quaternary 10312020022202
5 Quinary 131303014312
6 Senary 12022300002
8 Octal 466101242
10 Decimal 81298082
12 Duodecimal 23287602
16 Hexadecimal 4d882a2
20 Vigesimal 1582542
36 Base36 1cei02

Cryptographic Hash Functions

md5 1ed15a7f1ba908ba25857d569cf539ee
sha1 e45b66016ab410b241d8df0d9cd962a34ff6b392
sha256 60506c25673706cf2d5bf283e71a7f66116b5f179adcb7aaa169caeeba78a0c0
sha512 ef8ec5497bfa82ef707ffa68a96bfdff6ed2b9f3d11ec0b10fbc197e6243e1a330a0ba2d2f30cfe361ce5b44d781a76dbe9c27b74ac758019a490d4ef0ac7c62
ripemd-160 f3584073e0900e18eb3318c7a226e2b20c183b01

81298082 as geometric shapes

Circle

Radius = n
Diameter 162596164
Circumference 510810914.32428
Area 2.0763973799615E+16

Sphere

Radius = n
Volume 2.250761659476E+24
Surface area 8.3055895198461E+16
Circumference 510810914.32428

Square

Length = n
Perimeter 325192328
Area 6609378136878724
Diagonal 114972850.15932

Cube

Length = n
Surface area 39656268821272344
Volume 5.3732976574097E+23
Space diagonal 140812408.5819

Equilateral Triangle

Length = n
Perimeter 243894246
Area 2.8619446848772E+15
Altitude 70406204.29095

Triangular Pyramid

Length = n
Surface area 2.8619446848772E+15
Volume 6.332492018147E+22
Height 38324283.38644