7928 (number)

7928 is an even 4-digits composite number following 7927 and preceding 7929. In scientific notation, it is written as 7.928 × 10^3. The sum of its digits is 26. It has a total of 4 prime factors and 8 positive divisors. There are 3960 positive integers (up to 7928) that are relatively prime to 7928.

Interesting facts

Basic properties

Name

Name seven thousand nine hundred twenty-eight

Notation

Scientific notation 7.928 × 10^3
Engineering notation 7.928 × 10^3

Prime Factorization of 7928

Prime Factorization 2 × 2 × 2 × 991

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1982
Product of the distinct prime numbers

The prime factorization of 7928 is 2 × 2 × 2 × 991. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 8, 13, 51, 385, 413, 8601, 4407, 13497, 67931, 691414, 780137, 1010848, 5764688, 52983022, 34947184, 172660849, 708300194, 8824229426, 3441378724

Basic calculations (n = 7928)

Multiplication

n×y
n×2 15856
n×3 23784
n×4 31712
n×5 39640

Division

n÷y
n÷2 3964
n÷3 2642.6666666667
n÷3 1982
n÷5 1585.6

Exponentiation

ny
n2 62853184
n3 498300042752
n4 3950522738937856
n5 3.1319744274299E+19

Nth Root

y√n
2√n 89.039317158208
3√n 19.939819094564
4√n 9.4360647071864
5√n 6.0232755051894

Divisors of 7928

1, 2, 4, 8, 991, 1982, 3964, 7928

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -7927
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 7928 can be divided by 8 positive divisors. The sum of these divisors (counting 7928) is 1, the average is 0.125.

Base conversion 7928

Base System Value
2 Binary 1111011111000
3 Ternary 101212122
4 Quaternary 1323320
5 Quinary 223203
6 Senary 100412
8 Octal 17370
10 Decimal 7928
12 Duodecimal 4708
16 Hexadecimal 1ef8
20 Vigesimal jg8
36 Base36 648

Cryptographic Hash Functions

md5 7a22c0c0a4515485e31f95fd372050c9
sha1 b46f58e1b76e289de52ae454ef07f944d3f56552
sha256 9e3185c100914a2846bb45319935864ec3794abdbc1dbb99ab548cb965a7c804
sha512 a73db0e148da9faa69c82a46231db7931a2690a1094e49bfffc561982a2d77e5fd3eafabe540d0e90f4deb0b32f0759e54cd66089b2cc03228de68b045ab55ad
ripemd-160 0d75ff0484fbb08539e2ebd6ad398a537709a034

7928 as geometric shapes

Circle

Radius = n
Diameter 15856
Circumference 49813.09311532
Area 197459101.10913

Sphere

Radius = n
Volume 2087274338124.2
Surface area 789836404.43651
Circumference 49813.09311532

Square

Length = n
Perimeter 31712
Area 62853184
Diagonal 11211.885122494

Cube

Length = n
Surface area 377119104
Volume 498300042752
Space diagonal 13731.698802406

Equilateral Triangle

Length = n
Perimeter 23784
Area 27216227.026369
Altitude 6865.849401203

Triangular Pyramid

Length = n
Surface area 27216227.026369
Volume 58725223215.914
Height 3737.2950408313