81636698 (number)

81636698 is an even 8-digits composite number following 81636697 and preceding 81636699. In scientific notation, it is written as 8.1636698 × 10^7. The sum of its digits is 47. It has a total of 5 prime factors and 32 positive divisors. There are 34119360 positive integers (up to 81636698) that are relatively prime to 81636698.

Interesting facts

Basic properties

Name

Name eighty-one million six hundred thirty-six thousand six hundred ninety-eight

Notation

Scientific notation 8.1636698 × 10^7
Engineering notation 8.1636698 × 10^6

Prime Factorization of 81636698

Prime Factorization 2 × 13 × 11 × 397 × 719

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 81636698
Product of the distinct prime numbers

The prime factorization of 81636698 is 2 × 13 × 11 × 397 × 719. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 7, 99, 13, 503, 917, 9843, 8773, 29172, 76206, 423106, 260114, 721727, 3246845, 7521538, 89246656, 380554404, 11991510, 3870122115, 1797213702

Basic calculations (n = 81636698)

Multiplication

n×y
n×2 163273396
n×3 244910094
n×4 326546792
n×5 408183490

Division

n÷y
n÷2 40818349
n÷3 27212232.666667
n÷3 20409174.5
n÷5 16327339.6

Exponentiation

ny
n2 6664550460343204
n3 5.440718932368E+23
n4 4.4416232838461E+31
n5 3.6259945865311E+39

Nth Root

y√n
2√n 9035.3028726214
3√n 433.80558941161
4√n 95.054210178305
5√n 38.227604664953

Divisors of 81636698

1, 2, 11, 13, 22, 26, 143, 286, 397, 719, 794, 1438, 4367, 5161, 7909, 8734, 9347, 10322, 15818, 18694, 56771, 102817, 113542, 205634, 285443, 570886, 3139873, 3710759, 6279746, 7421518, 40818349, 81636698

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 -81636697
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 81636698 can be divided by 32 positive divisors. The sum of these divisors (counting 81636698) is 1, the average is 0.03125.

Base conversion 81636698

Base System Value
2 Binary 100110111011010110101011010
3 Ternary 12200121120111102
4 Quaternary 10313122311122
5 Quinary 131344333243
6 Senary 12033431402
8 Octal 467326532
10 Decimal 81636698
12 Duodecimal 2340b562
16 Hexadecimal 4ddad5a
20 Vigesimal 15a4bei
36 Base36 1clra2

Cryptographic Hash Functions

md5 d0c8cb5300a884bc16810cbcf3f2b601
sha1 3d77bc9c9d7527f8b23156936e4a925534e010d1
sha256 38b28877185e1e039c7aac1bc4806700e95a85126fbd2b0cf8b00585aab9ab70
sha512 585b0cebce5ad2bdcefc17afae253ebc92431a268185b05f8c96d0d2cd63f66d1b80ec7a75e9acad3c6b9e0c884b37fe437f60f7f73e8e06a6e86d31d30defa0
ripemd-160 82c9a4b3d8ba12ef7483cf0db2e464fcd3adb2c3

81636698 as geometric shapes

Circle

Radius = n
Diameter 163273396
Circumference 512938501.40026
Area 2.0937302765693E+16

Sphere

Radius = n
Volume 2.2790030170899E+24
Surface area 8.3749211062771E+16
Circumference 512938501.40026

Square

Length = n
Perimeter 326546792
Area 6664550460343204
Diagonal 115451725.49896

Cube

Length = n
Surface area 39987302762059224
Volume 5.440718932368E+23
Space diagonal 141398908.69816

Equilateral Triangle

Length = n
Perimeter 244910094
Area 2.8858350017302E+15
Altitude 70699454.349078

Triangular Pyramid

Length = n
Surface area 2.8858350017302E+15
Volume 6.4119487526791E+22
Height 38483908.499652