Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

21689904 (number)

21689904 is an even 8-digits composite number following 21689903 and preceding 21689905. In scientific notation, it is written as 2.1689904 × 10^7. The sum of its digits is 39. It has a total of 6 prime factors and 20 positive divisors. There are 7229952 positive integers (up to 21689904) that are relatively prime to 21689904.

Interesting facts

21689904 has 20 divisors, whose sum is 56032376
The reverse of 21689904 is 40998612
Previous prime number is 3

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3

Name

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

Notation

Scientific notation	2.1689904 × 10^7
Engineering notation	2.1689904 × 10^6

Prime Factorization of 21689904

Prime Factorization 2 × 2 × 2 × 2 × 3 × 451873

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	6	Total number of prime factors
rad	Radical	2711238	Product of the distinct prime numbers

The prime factorization of 21689904 is 2 × 2 × 2 × 2 × 3 × 451873. Since it has a total of 6 prime factors.

Most popular turbo-numbers

6, 4, 16, 13, 68, 736, 8352, 7467, 46873, 18397, 312117, 734876, 1018577, 1912735, 69033257, 78198270, 923153088, 462766725, 4008762044, 5570870058

Basic calculations (n = 21689904)

Multiplication

n×y

n×2	43379808
n×3	65069712
n×4	86759616
n×5	108449520

Division

n÷y

n÷2	10844952
n÷3	7229968
n÷3	5422476
n÷5	4337980.8

Exponentiation

n^y

n²	470451935529216
n³	1.0204057318243E+22
n⁴	2.2132502364319E+29
n⁵	4.8005185156184E+36

Nth Root

^y√n

²√n	4657.2421023606
³√n	278.88118166125
⁴√n	68.243989496223
⁵√n	29.325911928383

Divisors of 21689904

1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 451873, 903746, 1355619, 1807492, 2711238, 3614984, 5422476, 7229968, 10844952, 21689904

20 divisors

τ	Total Divisors	20	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21689903	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.05	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	20	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21689904 can be divided by 20 positive divisors. The sum of these divisors (counting 21689904) is 1, the average is 0.05.

Base conversion 21689904

Base	System	Value
2	Binary	1010010101111011000110000
3	Ternary	1111210221221210
4	Quaternary	1102233120300
5	Quinary	21023034104
6	Senary	2052520120
8	Octal	122573060
10	Decimal	21689904
12	Duodecimal	7320040
16	Hexadecimal	14af630
20	Vigesimal	6fb4f4
36	Base36	cww1c

Cryptographic Hash Functions

md5	91285a6d74311b2d44161fc66dcfe5a8
sha1	557e5785a5d3b112e9765308b5f888341dd7b221
sha256	ac53cb222d5019c034d06bc1da578b20635dd37410ebee83fee77a05532d397d
sha512	961714f52c5abb79e19291905205a479ee7154a616b7193605dc07f90d40aa275d7b5991a9a3240de289045eca9ed7cf1ee770ad666974e4014e064cbaa5f4ff
ripemd-160	c148321ef44162b5fe187a61db11c16b68228da1

21689904 as geometric shapes

Circle

Radius = n

Diameter	43379808
Circumference	136281686.12694
Area	1.4779683445257E+15

Sphere

Radius = n

Volume	4.2742655343735E+22
Surface area	5.9118733781027E+15
Circumference	136281686.12694

Square

Length = n

Perimeter	86759616
Area	470451935529216
Diagonal	30674156.40337

Cube

Length = n

Surface area	2822711613175296
Volume	1.0204057318243E+22
Space diagonal	37568015.739291

Equilateral Triangle

Length = n

Perimeter	65069712
Area	2.0371166371393E+14
Altitude	18784007.869646

Triangular Pyramid

Length = n

Surface area	2.0371166371393E+14
Volume	1.2025596875576E+21
Height	10224718.801123