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.
6987 has 4 divisors, whose sum is 7416
The reverse of 6987 is 7896
Previous prime number is 411
Is Prime? no
Number parity odd
Number length 4
Sum of Digits 30
Digital Root 3
Name
six thousand nine hundred eighty-seven
Scientific notation
6.987 × 10^3
Engineering notation
6.987 × 10^3
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.
7 , 8 , 27 , 94 , 939 , 152 , 8566 , 8517 , 11210 , 11 , 991382 , 427173 , 9677678 , 9833288 , 50463748 , 30162147 , 826963721 , 10844034 , 3134060338 , 8449638046
n×2
13974
n×3
20961
n×4
27948
n×5
34935
n÷2
3493.5
n÷3
2329
n÷3
1746.75
n÷5
1397.4
n2
48818169
n3
341092546803
n4
2383213624512561
n5
1.6651513594469E+19
2 √n
83.588276689976
3 √n
19.117462534476
4 √n
9.1426624508387
5 √n
5.8729749527075
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
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
md5
1a37546d1929c0ff3ca32d2ddacc41a9
sha1
7b18d191f5500038762dc52092065c1e890d2b36
sha256
413285aad9a95e1ac88fc880f0cf06f3faa5f1bc4aeb7a76a11a73ac94d31cd3
sha512
7b7a0d312968c769e6a8160ce5320c4251a68061c2c02aed5a00956ef9101b8fe92abc1eadfb0776933be7647243996cdc48e638152cf4ea13f7f0e4de6ed045
ripemd-160
aa64f348e5cb09a9405f3b367d2e7fa08cea14ed
Diameter
13974
Circumference
43900.615741264
Area
153366801.0921
Volume
1428765118974
Surface area
613467204.36842
Circumference
43900.615741264
Perimeter
27948
Area
48818169
Diagonal
9881.1101603008
Surface area
292909014
Volume
341092546803
Space diagonal
12101.838992484
Perimeter
20961
Area
21138887.260121
Altitude
6050.9194962419
Surface area
21138887.260121
Volume
40198142142.765
Height
3293.7033867669