7989905 (number)

7989905 is an odd 7-digits composite number following 7989904 and preceding 7989906. In scientific notation, it is written as 7.989905 × 10^6. The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors. There are 4980480 positive integers (up to 7989905) that are relatively prime to 7989905.

Interesting facts

Basic properties

Name

Name seven million nine hundred eighty-nine thousand nine hundred five

Notation

Scientific notation 7.989905 × 10^6
Engineering notation 7.989905 × 10^6

Prime Factorization of 7989905

Prime Factorization 5 × 7 × 11 × 20753

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 7989905
Product of the distinct prime numbers

The prime factorization of 7989905 is 5 × 7 × 11 × 20753. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 7989905)

Multiplication

n×y
n×2 15979810
n×3 23969715
n×4 31959620
n×5 39949525

Division

n÷y
n÷2 3994952.5
n÷3 2663301.6666667
n÷3 1997476.25
n÷5 1597981

Exponentiation

ny
n2 63838581909025
n3 5.1006420478783E+20
n4 4.0753645401553E+27
n5 3.2561775516209E+34

Nth Root

y√n
2√n 2826.6420006785
3√n 199.91583959009
4√n 53.166173462819
5√n 24.016422941594

Divisors of 7989905

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -7989904
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 7989905 can be divided by 16 positive divisors. The sum of these divisors (counting 7989905) is 1, the average is 0.0625.

Base conversion 7989905

Base System Value
2 Binary 11110011110101010010001
3 Ternary 120000221002102
4 Quaternary 132132222101
5 Quinary 4021134110
6 Senary 443130145
8 Octal 36365221
10 Decimal 7989905
12 Duodecimal 2813955
16 Hexadecimal 79ea91
20 Vigesimal 29ief5
36 Base36 4r91t

Cryptographic Hash Functions

md5 31b9309913c7232a2645d6063770e4a3
sha1 d34f7ea62a7ab404a55cdeb5cef12cf21191b955
sha256 25f435217e832a715c409e54b0d6d1a4abd6ab04c0d363c091cd23615bfafd24
sha512 65ada724a3cae1fc6a558288fe389cbd7ce92e0c9432fcdaf499d09aca41735e07c1a1455b14e3455aaf80910282ea5689c6acf3c3c612836efd501845a34368
ripemd-160 fa8a84a3610d70a5cf4638e019bdb2e606671fba

7989905 as geometric shapes

Circle

Radius = n
Diameter 15979810
Circumference 50202053.701761
Area 2.0055481994098E+14

Sphere

Radius = n
Volume 2.1365519448274E+21
Surface area 8.0221927976393E+14
Circumference 50202053.701761

Square

Length = n
Perimeter 31959620
Area 63838581909025
Diagonal 11299432.013073

Cube

Length = n
Surface area 383031491454150
Volume 5.1006420478783E+20
Space diagonal 13838921.407649

Equilateral Triangle

Length = n
Perimeter 23969715
Area 27642916837395
Altitude 6919460.7038243

Triangular Pyramid

Length = n
Surface area 27642916837395
Volume 6.0111643007666E+19
Height 3766477.3376909