20904 (number)

20904 is an even 5-digits composite number following 20903 and preceding 20905. In scientific notation, it is written as 2.0904 × 10^4. The sum of its digits is 15. It has a total of 6 prime factors and 32 positive divisors. There are 6336 positive integers (up to 20904) that are relatively prime to 20904.

Interesting facts

Basic properties

Name

Name twenty thousand nine hundred four

Notation

Scientific notation 2.0904 × 10^4
Engineering notation 2.0904 × 10^3

Prime Factorization of 20904

Prime Factorization 2 × 2 × 2 × 3 × 13 × 67

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5226
Product of the distinct prime numbers

The prime factorization of 20904 is 2 × 2 × 2 × 3 × 13 × 67. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20904)

Multiplication

n×y
n×2 41808
n×3 62712
n×4 83616
n×5 104520

Division

n÷y
n÷2 10452
n÷3 6968
n÷3 5226
n÷5 4180.8

Exponentiation

ny
n2 436977216
n3 9134571723264
n4 190949087303110656
n5 3.9915997209842E+21

Nth Root

y√n
2√n 144.58215657542
3√n 27.547136789168
4√n 12.024232057617
5√n 7.3121632589542

Divisors of 20904

1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 67, 78, 104, 134, 156, 201, 268, 312, 402, 536, 804, 871, 1608, 1742, 2613, 3484, 5226, 6968, 10452, 20904

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20903
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20904 can be divided by 32 positive divisors. The sum of these divisors (counting 20904) is 1, the average is 0.03125.

Base conversion 20904

Base System Value
2 Binary 101000110101000
3 Ternary 1001200020
4 Quaternary 11012220
5 Quinary 1132104
6 Senary 240440
8 Octal 50650
10 Decimal 20904
12 Duodecimal 10120
16 Hexadecimal 51a8
20 Vigesimal 2c54
36 Base36 g4o

Cryptographic Hash Functions

md5 8cb060b4a9c350a9d34b588479d20c9f
sha1 cef4816eee9bdbe2fafc4ab414f1806b427f193b
sha256 1f917a50f78f0d96b24205c054428ba2a921d488ffbe6ca2079cbac23c778f44
sha512 3d6101f42b29ae0a95b1c1c5574d2ccf5f960b527b335d170340c4acca5135cf92a15a8cc0303199595a0caf8b88acb06dc00c773e2fd2eb0cdbe5322a369f2b
ripemd-160 2ba9ac436d506658fd4ae0209dc5c26f7f2707f1

20904 as geometric shapes

Circle

Radius = n
Diameter 41808
Circumference 131343.70566128
Area 1372804411.5717

Sphere

Radius = n
Volume 38262804559327
Surface area 5491217646.2869
Circumference 131343.70566128

Square

Length = n
Perimeter 83616
Area 436977216
Diagonal 29562.720307847

Cube

Length = n
Surface area 2621863296
Volume 9134571723264
Space diagonal 36206.79008142

Equilateral Triangle

Length = n
Perimeter 62712
Area 189216684.9655
Altitude 18103.39504071

Triangular Pyramid

Length = n
Surface area 189216684.9655
Volume 1076519601459.1
Height 9854.2401026157