82161855 (number)

82161855 is an odd 8-digits composite number following 82161854 and preceding 82161856. In scientific notation, it is written as 8.2161855 × 10^7. The sum of its digits is 36. It has a total of 2 prime factors and 4 positive divisors. There are 43819632 positive integers (up to 82161855) that are relatively prime to 82161855.

Interesting facts

Basic properties

Name

Name eighty-two million one hundred sixty-one thousand eight hundred fifty-five

Notation

Scientific notation 8.2161855 × 10^7
Engineering notation 8.2161855 × 10^6

Prime Factorization of 82161855

Prime Factorization 45 × 1825819

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 82161855
Product of the distinct prime numbers

The prime factorization of 82161855 is 45 × 1825819. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 82161855)

Multiplication

n×y
n×2 164323710
n×3 246485565
n×4 328647420
n×5 410809275

Division

n÷y
n÷2 41080927.5
n÷3 27387285
n÷3 20540463.75
n÷5 16432371

Exponentiation

ny
n2 6750570417041025
n3 5.5463938777221E+23
n4 4.5570200955429E+31
n5 3.7441322432209E+39

Nth Root

y√n
2√n 9064.3176797815
3√n 434.73380463575
4√n 95.206710266564
5√n 38.276661121347

Divisors of 82161855

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 -82161854
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 82161855 can be divided by 4 positive divisors. The sum of these divisors (counting 82161855) is 1, the average is 0.25.

Base conversion 82161855

Base System Value
2 Binary 100111001011011000010111111
3 Ternary 12201121020212200
4 Quaternary 10321123002333
5 Quinary 132013134410
6 Senary 12053002543
8 Octal 471330277
10 Decimal 82161855
12 Duodecimal 23623453
16 Hexadecimal 4e5b0bf
20 Vigesimal 15da4cf
36 Base36 1cx0hr

Cryptographic Hash Functions

md5 ce552782190ce55f007e63d32bbf24e0
sha1 d52fe98a3c403613b2a8fe181b4ec0b94cb71511
sha256 9e8b7135de52123dffb422a82f9aacd18fafc7f4507204f05fa09e5eb1b872ca
sha512 3a50aed46801082c1992b1d1a1921750cdc336878bb4fdc5da2b415a88af5e1f3e0ecaa007f6bb3940daa6073d95ad897d56d31f224766cc42dbcc5198eddbaa
ripemd-160 49fda141e78da592742aa7f11581fb0c7376ce62

82161855 as geometric shapes

Circle

Radius = n
Diameter 164323710
Circumference 516238160.14662
Area 2.1207542429717E+16

Sphere

Radius = n
Volume 2.323268034689E+24
Surface area 8.4830169718867E+16
Circumference 516238160.14662

Square

Length = n
Perimeter 328647420
Area 6750570417041025
Diagonal 116194409.65073

Cube

Length = n
Surface area 40503422502246150
Volume 5.5463938777221E+23
Space diagonal 142308507.30411

Equilateral Triangle

Length = n
Perimeter 246485565
Area 2.9230827355966E+15
Altitude 71154253.652053

Triangular Pyramid

Length = n
Surface area 2.9230827355966E+15
Volume 6.5364878701148E+22
Height 38731469.883577