81636700 (number)

81636700 is an even 8-digits composite number following 81636699 and preceding 81636701. In scientific notation, it is written as 8.1636700 × 10^7. The sum of its digits is 31. It has a total of 5 prime factors and 18 positive divisors. There are 32654640 positive integers (up to 81636700) that are relatively prime to 81636700.

Interesting facts

Basic properties

Name

Name eighty-one million six hundred thirty-six thousand seven hundred

Notation

Scientific notation 8.1636700 × 10^7
Engineering notation 8.1636700 × 10^6

Prime Factorization of 81636700

Prime Factorization 2 × 2 × 5 × 5 × 816367

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 8163670
Product of the distinct prime numbers

The prime factorization of 81636700 is 2 × 2 × 5 × 5 × 816367. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 4, 18, 20, 561, 283, 9660, 2532, 69352, 84285, 544918, 873833, 334024, 1967267, 51097932, 69242291, 315919415, 19519697, 5099343947, 954513684

Basic calculations (n = 81636700)

Multiplication

n×y
n×2 163273400
n×3 244910100
n×4 326546800
n×5 408183500

Division

n÷y
n÷2 40818350
n÷3 27212233.333333
n÷3 20409175
n÷5 16327340

Exponentiation

ny
n2 6664550786890000
n3 5.440719332241E+23
n4 4.4416237191036E+31
n5 3.6259950306935E+39

Nth Root

y√n
2√n 9035.3029832983
3√n 433.80559295418
4√n 95.054210760483
5√n 38.227604852259

Divisors of 81636700

1, 2, 4, 5, 10, 20, 25, 50, 100, 816367, 1632734, 3265468, 4081835, 8163670, 16327340, 20409175, 40818350, 81636700

18 divisors

τ Total Divisors 18
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81636699
Sum of the proper positive divisors of n
A Arithmetic Mean 0.055555555555556
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 18
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81636700 can be divided by 18 positive divisors. The sum of these divisors (counting 81636700) is 1, the average is 0.055555555555556.

Base conversion 81636700

Base System Value
2 Binary 100110111011010110101011100
3 Ternary 12200121120111111
4 Quaternary 10313122311130
5 Quinary 131344333300
6 Senary 12033431404
8 Octal 467326534
10 Decimal 81636700
12 Duodecimal 2340b564
16 Hexadecimal 4ddad5c
20 Vigesimal 15a4bf0
36 Base36 1clra4

Cryptographic Hash Functions

md5 20594b7e6de82b29a88c8e536728e65d
sha1 ebd3841f7a2e6d5b0ab1cd4fd2522f5c11cd2386
sha256 10c4b55e884378bf76b83cb48ad98ab8e2853ec9db2db537d6387db6009ef815
sha512 f50282fa0ad9f80c01dee63b510444203ed0547f1bd20b924cc924ca90df7b3c5dd2c7e8dabb65117fd2b37cd1e5d089aec18420497a04fb0314701ab452322b
ripemd-160 a74c19484d34b5c5271c8b0022c68022c21fca06

81636700 as geometric shapes

Circle

Radius = n
Diameter 163273400
Circumference 512938513.96663
Area 2.093730379157E+16

Sphere

Radius = n
Volume 2.2790031845883E+24
Surface area 8.3749215166279E+16
Circumference 512938513.96663

Square

Length = n
Perimeter 326546800
Area 6664550786890000
Diagonal 115451728.32738

Cube

Length = n
Surface area 39987304721340000
Volume 5.440719332241E+23
Space diagonal 141398912.16226

Equilateral Triangle

Length = n
Perimeter 244910100
Area 2.8858351431292E+15
Altitude 70699456.081129

Triangular Pyramid

Length = n
Surface area 2.8858351431292E+15
Volume 6.411949223934E+22
Height 38483909.442461