6891 (number)

6891 is an odd 4-digits composite number following 6890 and preceding 6892. In scientific notation, it is written as 6.891 × 10^3. The sum of its digits is 24. It has a total of 2 prime factors and 4 positive divisors. There are 4592 positive integers (up to 6891) that are relatively prime to 6891.

Interesting facts

Basic properties

Name

Name six thousand eight hundred ninety-one

Notation

Scientific notation 6.891 × 10^3
Engineering notation 6.891 × 10^3

Prime Factorization of 6891

Prime Factorization 3 × 2297

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 6891
Product of the distinct prime numbers

The prime factorization of 6891 is 3 × 2297. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 6891)

Multiplication

n×y
n×2 13782
n×3 20673
n×4 27564
n×5 34455

Division

n÷y
n÷2 3445.5
n÷3 2297
n÷3 1722.75
n÷5 1378.2

Exponentiation

ny
n2 47485881
n3 327225205971
n4 2254908894346161
n5 1.5538577190939E+19

Nth Root

y√n
2√n 83.012047318446
3√n 19.029501721407
4√n 9.1110947376507
5√n 5.8567468141789

Divisors of 6891

1, 3, 2297, 6891

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 -6890
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 6891 can be divided by 4 positive divisors. The sum of these divisors (counting 6891) is 1, the average is 0.25.

Base conversion 6891

Base System Value
2 Binary 1101011101011
3 Ternary 100110020
4 Quaternary 1223223
5 Quinary 210031
6 Senary 51523
8 Octal 15353
10 Decimal 6891
12 Duodecimal 3ba3
16 Hexadecimal 1aeb
20 Vigesimal h4b
36 Base36 5bf

Cryptographic Hash Functions

md5 83da7c539e1ab4e759623c38d8737e9e
sha1 719a4259ce7449d0e18f62063ac07e550ccad238
sha256 f548d6697dd29f405ebb371d243002eb9babde9a3602aedbe5bc0d9ed1c6ff34
sha512 092673c1429aa0000fcdcb610f32979427eb39da5981e243392b3f7d07b40eb8ce29045f3be0ef8563dddba88e226a25cf350aa9125b38d4aa9499f52ff1ac08
ripemd-160 dba029480a2822981fe67581b1880e6afa0a8110

6891 as geometric shapes

Circle

Radius = n
Diameter 13782
Circumference 43297.429951775
Area 149181294.89884

Sphere

Radius = n
Volume 1370677737530.5
Surface area 596725179.59536
Circumference 43297.429951775

Square

Length = n
Perimeter 27564
Area 47485881
Diagonal 9745.345658313

Cube

Length = n
Surface area 284915286
Volume 327225205971
Space diagonal 11935.562114957

Equilateral Triangle

Length = n
Perimeter 20673
Area 20561989.633542
Altitude 5967.7810574786

Triangular Pyramid

Length = n
Surface area 20561989.633542
Volume 38563860352.876
Height 3248.448552771