7997 (number)

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.

Interesting facts

Basic properties

Name

Name seven thousand nine hundred ninety-seven

Notation

Scientific notation 7.997 × 10^3
Engineering notation 7.997 × 10^3

Prime Factorization of 7997

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.

Most popular turbo-numbers

Basic calculations (n = 7997)

Multiplication

n×y
n×2 15994
n×3 23991
n×4 31988
n×5 39985

Division

n÷y
n÷2 3998.5
n÷3 2665.6666666667
n÷3 1999.25
n÷5 1599.4

Exponentiation

ny
n2 63952009
n3 511424215973
n4 4089859455136081
n5 3.2706606062723E+19

Nth Root

y√n
2√n 89.42594701763
3√n 19.997499687435
4√n 9.4565293325633
5√n 6.0337237054202

Divisors of 7997

1, 11, 727, 7997

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 conversion 7997

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

Cryptographic Hash Functions

md5 74f23f9e28cbc5ddaae8582f48642a59
sha1 fc8adddadae6764f7fcb4a9c5039b00decd4b21e
sha256 5636ef9395357e03b3362ecbe07c71935b320680cb0c3828cb71c04f3c61d238
sha512 b494da3e4a5bf95daff5cf548a6aaef90cda0f252dd844d8d3620818d4e79991a0c35db3d45bbe3279f1b53750dff8d6a50b6fee40927ecfc4dd105f39791c89
ripemd-160 32ebafa58926e39bb89737bfd4aeea1ac91fa355

7997 as geometric shapes

Circle

Radius = n
Diameter 15994
Circumference 50246.632901515
Area 200911161.65671

Sphere

Radius = n
Volume 2142248746358.3
Surface area 803644646.62683
Circumference 50246.632901515

Square

Length = n
Perimeter 31988
Area 63952009
Diagonal 11309.465858298

Cube

Length = n
Surface area 383712054
Volume 511424215973
Space diagonal 13851.210308128

Equilateral Triangle

Length = n
Perimeter 23991
Area 27692032.208526
Altitude 6925.6051540642

Triangular Pyramid

Length = n
Surface area 27692032.208526
Volume 60271921862.92
Height 3769.8219527659