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

21609978 (number)

21609978 is an even 8-digits composite number following 21609977 and preceding 21609979. In scientific notation, it is written as 2.1609978 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 6649200 positive integers (up to 21609978) that are relatively prime to 21609978.

Interesting facts

21609978 has 16 divisors, whose sum is 46544736
The reverse of 21609978 is 87990612
Previous prime number is 13

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6

Name

Name	twenty-one million six hundred nine thousand nine hundred seventy-eight

Notation

Scientific notation	2.1609978 × 10^7
Engineering notation	2.1609978 × 10^6

Prime Factorization of 21609978

Prime Factorization 2 × 3 × 13 × 277051

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	21609978	Product of the distinct prime numbers

The prime factorization of 21609978 is 2 × 3 × 13 × 277051. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 7, 97, 8, 572, 638, 5103, 5068, 37084, 9832, 787107, 563709, 1840514, 9913015, 67236410, 11179747, 176736257, 632164626, 3565056492, 6221520070

Basic calculations (n = 21609978)

Multiplication

n×y

n×2	43219956
n×3	64829934
n×4	86439912
n×5	108049890

Division

n÷y

n÷2	10804989
n÷3	7203326
n÷3	5402494.5
n÷5	4321995.6

Exponentiation

n^y

n²	466991149160484
n³	1.0091668459553E+22
n⁴	2.1808073339423E+29
n⁵	4.7127198508732E+36

Nth Root

^y√n

²√n	4648.6533533917
³√n	278.53820653876
⁴√n	68.181033677935
⁵√n	29.304267154374

Divisors of 21609978

1, 2, 3, 6, 13, 26, 39, 78, 277051, 554102, 831153, 1662306, 3601663, 7203326, 10804989, 21609978

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	-21609977	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 21609978 can be divided by 16 positive divisors. The sum of these divisors (counting 21609978) is 1, the average is 0.0625.

Base conversion 21609978

Base	System	Value
2	Binary	1010010011011110111111010
3	Ternary	1111122220022120
4	Quaternary	1102123313322
5	Quinary	21013004403
6	Senary	2051102110
8	Octal	122336772
10	Decimal	21609978
12	Duodecimal	72a1936
16	Hexadecimal	149bdfa
20	Vigesimal	6f14ii
36	Base36	cv6d6

Cryptographic Hash Functions

md5	cd3e4ae2c608e7b2d4ca36c39bc65510
sha1	d252f90b391caec5dfa847623f8232c8ff9ebb53
sha256	95f88e708b07009fca0d9cf276024fb02f72f5c8f733d4c450f8926069f42e46
sha512	5948e6c8e2da10d6769bac0230368417a77d73ead4ca77bbe32c0fc2ab1fb9854f63b5b7093a24df651e9e9f9c6828216084f3a359d2678c0546fc2dc441e6de
ripemd-160	f51019ac6fb0b5df1299dd616fc57ed6e3b6516f

21609978 as geometric shapes

Circle

Radius = n

Diameter	43219956
Circumference	135779496.25807
Area	1.467095963494E+15

Sphere

Radius = n

Volume	4.2271881993326E+22
Surface area	5.8683838539761E+15
Circumference	135779496.25807

Square

Length = n

Perimeter	86439912
Area	466991149160484
Diagonal	30561123.970184

Cube

Length = n

Surface area	2801946894962904
Volume	1.0091668459553E+22
Space diagonal	37429579.846446

Equilateral Triangle

Length = n

Perimeter	64829934
Area	2.0221309925773E+14
Altitude	18714789.923223

Triangular Pyramid

Length = n

Surface area	2.0221309925773E+14
Volume	1.1893145335394E+21
Height	10187041.323395