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

21609913 (number)

21609913 is an odd 8-digits composite number following 21609912 and preceding 21609914. In scientific notation, it is written as 2.1609913 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 19802448 positive integers (up to 21609913) that are relatively prime to 21609913.

Interesting facts

21609913 has 8 divisors, whose sum is 23441600
The reverse of 21609913 is 31990612
Previous prime number is 139

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4

Name

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

Notation

Scientific notation	2.1609913 × 10^7
Engineering notation	2.1609913 × 10^6

Prime Factorization of 21609913

Prime Factorization 13 × 139 × 11959

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21609913	Product of the distinct prime numbers

The prime factorization of 21609913 is 13 × 139 × 11959. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 5, 6, 35, 231, 154, 5120, 560, 91377, 7669, 978125, 657079, 3038775, 5630276, 52739765, 47841779, 264827237, 1925118, 790421568, 4973020549

Basic calculations (n = 21609913)

Multiplication

n×y

n×2	43219826
n×3	64829739
n×4	86439652
n×5	108049565

Division

n÷y

n÷2	10804956.5
n÷3	7203304.3333333
n÷3	5402478.25
n÷5	4321982.6

Exponentiation

n^y

n²	466988339867569
n³	1.0091577396553E+22
n⁴	2.1807810957227E+29
n⁵	4.7126489750612E+36

Nth Root

^y√n

²√n	4648.6463621145
³√n	278.53792726959
⁴√n	68.180982407959
⁵√n	29.304249525668

Divisors of 21609913

1, 13, 139, 1807, 11959, 155467, 1662301, 21609913

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	-21609912	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 21609913 can be divided by 8 positive divisors. The sum of these divisors (counting 21609913) is 1, the average is 0.125.

Base conversion 21609913

Base	System	Value
2	Binary	1010010011011110110111001
3	Ternary	1111122220020011
4	Quaternary	1102123312321
5	Quinary	21013004123
6	Senary	2051101521
8	Octal	122336671
10	Decimal	21609913
12	Duodecimal	72a18a1
16	Hexadecimal	149bdb9
20	Vigesimal	6f14fd
36	Base36	cv6bd

Cryptographic Hash Functions

md5	cff9bcd960e2213ed09e78fbec527ea0
sha1	64e0790e73dcc1d869efe9df54f912dcb9e90cd2
sha256	91fbe7596d733a6d67012d0f90c7d97e5f324c70516102edf0519fc452bed178
sha512	65e53fa823c526e02563bfd813b6c854abf86f703f002c6658f0dc0d9d6d08cfd5a708e7823709c321e3fa118bdd13c084ba84b71c409a0936d7bca868d2e81f
ripemd-160	0876ce21feb1cab4871315338b7cc79de7b52a36

21609913 as geometric shapes

Circle

Radius = n

Diameter	43219826
Circumference	135779087.85103
Area	1.46708713784E+15

Sphere

Radius = n

Volume	4.2271500549523E+22
Surface area	5.8683485513602E+15
Circumference	135779087.85103

Square

Length = n

Perimeter	86439652
Area	466988339867569
Diagonal	30561032.046303

Cube

Length = n

Surface area	2801930039205414
Volume	1.0091577396553E+22
Space diagonal	37429467.263143

Equilateral Triangle

Length = n

Perimeter	64829739
Area	2.0221188279822E+14
Altitude	18714733.631572

Triangular Pyramid

Length = n

Surface area	2.0221188279822E+14
Volume	1.1893038016619E+21
Height	10187010.682101