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

21689918 (number)

21689918 is an even 8-digits composite number following 21689917 and preceding 21689919. In scientific notation, it is written as 2.1689918 × 10^7. The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors. There are 10551816 positive integers (up to 21689918) that are relatively prime to 21689918.

Interesting facts

21689918 has 8 divisors, whose sum is 33414312
The reverse of 21689918 is 81998612
Previous prime number is 37

Basic properties

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

Name

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

Notation

Scientific notation	2.1689918 × 10^7
Engineering notation	2.1689918 × 10^6

Prime Factorization of 21689918

Prime Factorization 2 × 37 × 293107

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21689918	Product of the distinct prime numbers

The prime factorization of 21689918 is 2 × 37 × 293107. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 1, 6, 45, 714, 515, 4550, 3368, 49483, 57805, 870238, 612692, 5345042, 9745902, 14470922, 80082226, 818013753, 82114249, 3082499096, 2349493741

Basic calculations (n = 21689918)

Multiplication

n×y

n×2	43379836
n×3	65069754
n×4	86759672
n×5	108449590

Division

n÷y

n÷2	10844959
n÷3	7229972.6666667
n÷3	5422479.5
n÷5	4337983.6

Exponentiation

n^y

n²	470452542846724
n³	1.0204077077237E+22
n⁴	2.2132559507095E+29
n⁵	4.8005340083901E+36

Nth Root

^y√n

²√n	4657.2436053958
³√n	278.8812416636
⁴√n	68.244000508439
⁵√n	29.325915714132

Divisors of 21689918

1, 2, 37, 74, 293107, 586214, 10844959, 21689918

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21689917	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21689918 can be divided by 8 positive divisors. The sum of these divisors (counting 21689918) is 1, the average is 0.125.

Base conversion 21689918

Base	System	Value
2	Binary	1010010101111011000111110
3	Ternary	1111210221222022
4	Quaternary	1102233120332
5	Quinary	21023034133
6	Senary	2052520142
8	Octal	122573076
10	Decimal	21689918
12	Duodecimal	7320052
16	Hexadecimal	14af63e
20	Vigesimal	6fb4fi
36	Base36	cww1q

Cryptographic Hash Functions

md5	b29f3b37aa0a3be4c763bcc852439b3e
sha1	03ef99c480f21a14794d9edc19b817c8dea1926e
sha256	2f28294bb8452cef23ec4684ee2c44601d8eda17cf11b1d5bf00e5b5afb11c71
sha512	a6bd0dc1c6ca9b9a193c2498bab213353a1fa4c1fa871c4270bbfd42a1149ab8c249a56e0bab457b8509f574894ff3cfa6f2805f3bd9a12dfaf65d4666e229cd
ripemd-160	03a1307d2393dc3bd9c379b14d11e4e2d36f40b2

21689918 as geometric shapes

Circle

Radius = n

Diameter	43379836
Circumference	136281774.09153
Area	1.4779702524699E+15

Sphere

Radius = n

Volume	4.2742738110015E+22
Surface area	5.9118810098796E+15
Circumference	136281774.09153

Square

Length = n

Perimeter	86759672
Area	470452542846724
Diagonal	30674176.20236

Cube

Length = n

Surface area	2822715257080344
Volume	1.0204077077237E+22
Space diagonal	37568039.988003

Equilateral Triangle

Length = n

Perimeter	65069754
Area	2.0371192669013E+14
Altitude	18784019.994001

Triangular Pyramid

Length = n

Surface area	2.0371192669013E+14
Volume	1.2025620161774E+21
Height	10224725.400787