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

21689909 (number)

21689909 is an odd 8-digits composite number following 21689908 and preceding 21689910. In scientific notation, it is written as 2.1689909 × 10^7. The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors. There are 20414016 positive integers (up to 21689909) that are relatively prime to 21689909.

Interesting facts

21689909 has 4 divisors, whose sum is 22965804
The reverse of 21689909 is 90998612
Previous prime number is 17

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8

Name

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

Notation

Scientific notation	2.1689909 × 10^7
Engineering notation	2.1689909 × 10^6

Prime Factorization of 21689909

Prime Factorization 17 × 1275877

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21689909	Product of the distinct prime numbers

The prime factorization of 21689909 is 17 × 1275877. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 3, 77, 26, 307, 863, 2436, 8954, 83444, 79196, 243081, 534931, 1972976, 8580555, 33268432, 92478332, 107980830, 762442362, 3601198885, 8428801860

Basic calculations (n = 21689909)

Multiplication

n×y

n×2	43379818
n×3	65069727
n×4	86759636
n×5	108449545

Division

n÷y

n÷2	10844954.5
n÷3	7229969.6666667
n÷3	5422477.25
n÷5	4337981.8

Exponentiation

n^y

n²	470452152428281
n³	1.0204064375024E+22
n⁴	2.213252277244E+29
n⁵	4.8005240487466E+36

Nth Root

^y√n

²√n	4657.2426391589
³√n	278.88120309067
⁴√n	68.243993429158
⁵√n	29.325913280437

Divisors of 21689909

1, 17, 1275877, 21689909

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21689908	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21689909 can be divided by 4 positive divisors. The sum of these divisors (counting 21689909) is 1, the average is 0.25.

Base conversion 21689909

Base	System	Value
2	Binary	1010010101111011000110101
3	Ternary	1111210221221222
4	Quaternary	1102233120311
5	Quinary	21023034114
6	Senary	2052520125
8	Octal	122573065
10	Decimal	21689909
12	Duodecimal	7320045
16	Hexadecimal	14af635
20	Vigesimal	6fb4f9
36	Base36	cww1h

Cryptographic Hash Functions

md5	c6d9862526e481c1b44c0a838ff24c22
sha1	8a3f0fd28a629ba51381952bdbed8fc08d46e1d8
sha256	fc18995dfeddae2ade22e936c15e357eef0c5438a53ff9e580e857aeb6e2be1d
sha512	3919a16d7a80a74cd00ff44af43324877a8d1492621a0738c5c8cf35fedaa6d07a8872f51e0f82db7450dad9b79fe52978a81ead4923a0404bc0279bf9c6077b
ripemd-160	e0d17964658b7ab6be8ee8a25647aee293590766

21689909 as geometric shapes

Circle

Radius = n

Diameter	43379818
Circumference	136281717.54286
Area	1.4779690259342E+15

Sphere

Radius = n

Volume	4.2742684903108E+22
Surface area	5.9118761037368E+15
Circumference	136281717.54286

Square

Length = n

Perimeter	86759636
Area	470452152428281
Diagonal	30674163.474438

Cube

Length = n

Surface area	2822712914569686
Volume	1.0204064375024E+22
Space diagonal	37568024.399545

Equilateral Triangle

Length = n

Perimeter	65069727
Area	2.0371175763398E+14
Altitude	18784012.199773

Triangular Pyramid

Length = n

Surface area	2.0371175763398E+14
Volume	1.2025605192072E+21
Height	10224721.158146