21904904 (number)

21904904 is an even 8-digits composite number following 21904903 and preceding 21904905. In scientific notation, it is written as 2.1904904 × 10^7. The sum of its digits is 29. It has a total of 5 prime factors and 16 positive divisors. There are 9387792 positive integers (up to 21904904) that are relatively prime to 21904904.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred four thousand nine hundred four

Notation

Scientific notation 2.1904904 × 10^7
Engineering notation 2.1904904 × 10^6

Prime Factorization of 21904904

Prime Factorization 2 × 2 × 2 × 7 × 391159

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5476226
Product of the distinct prime numbers

The prime factorization of 21904904 is 2 × 2 × 2 × 7 × 391159. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 10, 53, 95, 252, 914, 6896, 1546, 40492, 80497, 353969, 786480, 1081565, 5481562, 435824, 47861296, 966734839, 333665444, 9329219634, 6748546033

Basic calculations (n = 21904904)

Multiplication

n×y
n×2 43809808
n×3 65714712
n×4 87619616
n×5 109524520

Division

n÷y
n÷2 10952452
n÷3 7301634.6666667
n÷3 5476226
n÷5 4380980.8

Exponentiation

ny
n2 479824819249216
n3 1.0510516602471E+22
n4 2.3023185716754E+29
n5 5.0432067289967E+36

Nth Root

y√n
2√n 4680.2675137218
3√n 279.79961853636
4√n 68.4124806868
5√n 29.383821075919

Divisors of 21904904

1, 2, 4, 7, 8, 14, 28, 56, 391159, 782318, 1564636, 2738113, 3129272, 5476226, 10952452, 21904904

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 -21904903
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 21904904 can be divided by 16 positive divisors. The sum of these divisors (counting 21904904) is 1, the average is 0.0625.

Base conversion 21904904

Base System Value
2 Binary 1010011100011111000001000
3 Ternary 1112012212212202
4 Quaternary 1103203320020
5 Quinary 21101424104
6 Senary 2101255332
8 Octal 123437010
10 Decimal 21904904
12 Duodecimal 7404548
16 Hexadecimal 14e3e08
20 Vigesimal 6gi254
36 Base36 d1hxk

Cryptographic Hash Functions

md5 b8fed59444814ab8ee1402b972c79d15
sha1 8f5ba411b191a78013a50cd14dff3bd22c64b630
sha256 2804a5623ad6adf26d062238aa24b976031dbfc13040c5468fb9d5007e897e34
sha512 21a3d8a91acc19df924af370c9b1ee42f88655b1ea6e39256ff46a0abe169f47df9319db0cc5c0e28a620b31f21f4bfce88db37f248cf656f0cdbea6bf515d02
ripemd-160 69de885994c73582ccd047041d19dfe9da54c572

21904904 as geometric shapes

Circle

Radius = n
Diameter 43809808
Circumference 137632570.96798
Area 1.5074141271634E+15

Sphere

Radius = n
Volume 4.4026348991677E+22
Surface area 6.0296565086535E+15
Circumference 137632570.96798

Square

Length = n
Perimeter 87619616
Area 479824819249216
Diagonal 30978212.319281

Cube

Length = n
Surface area 2878948915495296
Volume 1.0510516602471E+22
Space diagonal 37940406.662919

Equilateral Triangle

Length = n
Perimeter 65714712
Area 2.0777024141805E+14
Altitude 18970203.331459

Triangular Pyramid

Length = n
Surface area 2.0777024141805E+14
Volume 1.2386762605636E+21
Height 10326070.773094