6905 (number)

6905 is an odd 4-digits composite number following 6904 and preceding 6906. In scientific notation, it is written as 6.905 × 10^3. The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors. There are 5520 positive integers (up to 6905) that are relatively prime to 6905.

Interesting facts

Basic properties

Name

Name six thousand nine hundred five

Notation

Scientific notation 6.905 × 10^3
Engineering notation 6.905 × 10^3

Prime Factorization of 6905

Prime Factorization 5 × 1381

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 6905
Product of the distinct prime numbers

The prime factorization of 6905 is 5 × 1381. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 6905)

Multiplication

n×y
n×2 13810
n×3 20715
n×4 27620
n×5 34525

Division

n÷y
n÷2 3452.5
n÷3 2301.6666666667
n÷3 1726.25
n÷5 1381

Exponentiation

ny
n2 47679025
n3 329223667625
n4 2273289424950625
n5 1.5697063479284E+19

Nth Root

y√n
2√n 83.096329642169
3√n 19.042380007549
4√n 9.1157188220222
5√n 5.8591246375244

Divisors of 6905

1, 5, 1381, 6905

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 -6904
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 6905 can be divided by 4 positive divisors. The sum of these divisors (counting 6905) is 1, the average is 0.25.

Base conversion 6905

Base System Value
2 Binary 1101011111001
3 Ternary 100110202
4 Quaternary 1223321
5 Quinary 210110
6 Senary 51545
8 Octal 15371
10 Decimal 6905
12 Duodecimal 3bb5
16 Hexadecimal 1af9
20 Vigesimal h55
36 Base36 5bt

Cryptographic Hash Functions

md5 f19ec2b84181033bf4753a5a51d5d608
sha1 3a12b5da81e52375aaa1078cd6091c7d85829b73
sha256 4870cf275fec15bb3ec7d0c49b9202f43369933cfd5e9f162387ccb45151c810
sha512 e09e322aae60a968a2cbf44d9c5896062a4f3f806bed9d7492cf69558b6742392af3dfc5d29aa82e256104d173d08e4bebd9de4e2513c38067486d8fd422ecc7
ripemd-160 825ca662cabecd166c839809433af8a5caba1571

6905 as geometric shapes

Circle

Radius = n
Diameter 13810
Circumference 43385.394546075
Area 149788074.67032

Sphere

Radius = n
Volume 1379048874131.5
Surface area 599152298.6813
Circumference 43385.394546075

Square

Length = n
Perimeter 27620
Area 47679025
Diagonal 9765.1446481862

Cube

Length = n
Surface area 286074150
Volume 329223667625
Space diagonal 11959.810826263

Equilateral Triangle

Length = n
Perimeter 20715
Area 20645623.438837
Altitude 5979.9054131315

Triangular Pyramid

Length = n
Surface area 20645623.438837
Volume 38799381317.457
Height 3255.0482160621