816 (number)

816 is an even 3-digits composite number following 815 and preceding 817. In scientific notation, it is written as 8.16 × 10^2. The sum of its digits is 15. It has a total of 6 prime factors and 20 positive divisors. There are 256 positive integers (up to 816) that are relatively prime to 816.

Interesting facts

Basic properties

Name

Name eight hundred sixteen

Notation

Scientific notation 8.16 × 10^2
Engineering notation 8.16 × 10^0

Prime Factorization of 816

Prime Factorization 2 × 2 × 2 × 2 × 17 × 3

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 102
Product of the distinct prime numbers

The prime factorization of 816 is 2 × 2 × 2 × 2 × 17 × 3. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 816)

Multiplication

n×y
n×2 1632
n×3 2448
n×4 3264
n×5 4080

Division

n÷y
n÷2 408
n÷3 272
n÷3 204
n÷5 163.2

Exponentiation

ny
n2 665856
n3 543338496
n4 443364212736
n5 361785197592576

Nth Root

y√n
2√n 28.565713714171
3√n 9.3446574567105
4√n 5.3446902355676
5√n 3.8224167169338

Divisors of 816

1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 272, 408, 816

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -815
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 816 can be divided by 20 positive divisors. The sum of these divisors (counting 816) is 1, the average is 0.05.

Base conversion 816

Base System Value
2 Binary 1100110000
3 Ternary 1010020
4 Quaternary 30300
5 Quinary 11231
6 Senary 3440
8 Octal 1460
10 Decimal 816
12 Duodecimal 580
16 Hexadecimal 330
20 Vigesimal 20g
36 Base36 mo

Cryptographic Hash Functions

md5 43fa7f58b7eac7ac872209342e62e8f1
sha1 f022da4e40566305c0c8f39fd8f4b83dd5368834
sha256 96bb293aaa330ef307ee004448b92b75ffdc25ade2831ed23fc60ffa97fffb7f
sha512 64b5514668bdbe6abe7f86abd790005f46d593d8e3efb785c87dd8ba9035b8bc5fc72001da81883391b690a5191057062ee711401c3e95c1935a3d3ffed138fe
ripemd-160 13fd189585695d7805cff6213316c3dd29b3e960

816 as geometric shapes

Circle

Radius = n
Diameter 1632
Circumference 5127.0792106585
Area 2091848.3179487

Sphere

Radius = n
Volume 2275930969.9282
Surface area 8367393.2717947
Circumference 5127.0792106585

Square

Length = n
Perimeter 3264
Area 665856
Diagonal 1153.9982668964

Cube

Length = n
Surface area 3995136
Volume 543338496
Space diagonal 1413.3534589762

Equilateral Triangle

Length = n
Perimeter 2448
Area 288324.10563115
Altitude 706.6767294881

Triangular Pyramid

Length = n
Surface area 288324.10563115
Volume 64033055.83355
Height 384.66608896548