7997 is an odd 4-digits composite number following 7996
and preceding 7998 . In scientific notation, it is written as 7.997 × 10^3.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 7260 positive integers (up to 7997) that are relatively prime to 7997.
7997 has 4 divisors, whose sum is 8736
The reverse of 7997 is 7997
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 4
Sum of Digits 32
Digital Root 5
Name
seven thousand nine hundred ninety-seven
Scientific notation
7.997 × 10^3
Engineering notation
7.997 × 10^3
Prime Factorization
11 × 727
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
7997
Product of the distinct prime numbers
The prime factorization of 7997 is 11 × 727.
Since it has a total of 2 prime factors.
9 , 3 , 11 , 54 , 923 , 584 , 2299 , 607 , 44494 , 39268 , 540652 , 157935 , 3448958 , 3051891 , 24627743 , 47280106 , 527435992 , 549429580 , 3462873482 , 4724926626
n×2
15994
n×3
23991
n×4
31988
n×5
39985
n÷2
3998.5
n÷3
2665.6666666667
n÷3
1999.25
n÷5
1599.4
n2
63952009
n3
511424215973
n4
4089859455136081
n5
3.2706606062723E+19
2 √n
89.42594701763
3 √n
19.997499687435
4 √n
9.4565293325633
5 √n
6.0337237054202
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
-7996
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 7997 can be divided by 4 positive divisors.
The sum of these divisors (counting 7997) is 1, the average is 0.25.
Base
System
Value
2
Binary
1111100111101
3
Ternary
101222012
4
Quaternary
1330331
5
Quinary
223442
6
Senary
101005
8
Octal
17475
10
Decimal
7997
12
Duodecimal
4765
16
Hexadecimal
1f3d
20
Vigesimal
jjh
36
Base36
665
md5
74f23f9e28cbc5ddaae8582f48642a59
sha1
fc8adddadae6764f7fcb4a9c5039b00decd4b21e
sha256
5636ef9395357e03b3362ecbe07c71935b320680cb0c3828cb71c04f3c61d238
sha512
b494da3e4a5bf95daff5cf548a6aaef90cda0f252dd844d8d3620818d4e79991a0c35db3d45bbe3279f1b53750dff8d6a50b6fee40927ecfc4dd105f39791c89
ripemd-160
32ebafa58926e39bb89737bfd4aeea1ac91fa355
Diameter
15994
Circumference
50246.632901515
Area
200911161.65671
Volume
2142248746358.3
Surface area
803644646.62683
Circumference
50246.632901515
Perimeter
31988
Area
63952009
Diagonal
11309.465858298
Surface area
383712054
Volume
511424215973
Space diagonal
13851.210308128
Perimeter
23991
Area
27692032.208526
Altitude
6925.6051540642
Surface area
27692032.208526
Volume
60271921862.92
Height
3769.8219527659