6987 (number)

6987 is an odd 4-digits composite number following 6986 and preceding 6988. In scientific notation, it is written as 6.987 × 10^3. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 4352 positive integers (up to 6987) that are relatively prime to 6987.

Interesting facts

Basic properties

Name

Name six thousand nine hundred eighty-seven

Notation

Scientific notation 6.987 × 10^3
Engineering notation 6.987 × 10^3

Prime Factorization of 6987

Prime Factorization 411 × 17

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 6987
Product of the distinct prime numbers

The prime factorization of 6987 is 411 × 17. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 6987)

Multiplication

n×y
n×2 13974
n×3 20961
n×4 27948
n×5 34935

Division

n÷y
n÷2 3493.5
n÷3 2329
n÷3 1746.75
n÷5 1397.4

Exponentiation

ny
n2 48818169
n3 341092546803
n4 2383213624512561
n5 1.6651513594469E+19

Nth Root

y√n
2√n 83.588276689976
3√n 19.117462534476
4√n 9.1426624508387
5√n 5.8729749527075

Divisors of 6987

1, 17, 411, 6987

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 -6986
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 6987 can be divided by 4 positive divisors. The sum of these divisors (counting 6987) is 1, the average is 0.25.

Base conversion 6987

Base System Value
2 Binary 1101101001011
3 Ternary 100120210
4 Quaternary 1231023
5 Quinary 210422
6 Senary 52203
8 Octal 15513
10 Decimal 6987
12 Duodecimal 4063
16 Hexadecimal 1b4b
20 Vigesimal h97
36 Base36 5e3

Cryptographic Hash Functions

md5 1a37546d1929c0ff3ca32d2ddacc41a9
sha1 7b18d191f5500038762dc52092065c1e890d2b36
sha256 413285aad9a95e1ac88fc880f0cf06f3faa5f1bc4aeb7a76a11a73ac94d31cd3
sha512 7b7a0d312968c769e6a8160ce5320c4251a68061c2c02aed5a00956ef9101b8fe92abc1eadfb0776933be7647243996cdc48e638152cf4ea13f7f0e4de6ed045
ripemd-160 aa64f348e5cb09a9405f3b367d2e7fa08cea14ed

6987 as geometric shapes

Circle

Radius = n
Diameter 13974
Circumference 43900.615741264
Area 153366801.0921

Sphere

Radius = n
Volume 1428765118974
Surface area 613467204.36842
Circumference 43900.615741264

Square

Length = n
Perimeter 27948
Area 48818169
Diagonal 9881.1101603008

Cube

Length = n
Surface area 292909014
Volume 341092546803
Space diagonal 12101.838992484

Equilateral Triangle

Length = n
Perimeter 20961
Area 21138887.260121
Altitude 6050.9194962419

Triangular Pyramid

Length = n
Surface area 21138887.260121
Volume 40198142142.765
Height 3293.7033867669