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

21609985 (number)

21609985 is an odd 8-digits composite number following 21609984 and preceding 21609986. In scientific notation, it is written as 2.1609985 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 17287984 positive integers (up to 21609985) that are relatively prime to 21609985.

Interesting facts

21609985 has 4 divisors, whose sum is 25931988
The reverse of 21609985 is 58990612
Previous prime number is 5

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4

Name

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

Notation

Scientific notation	2.1609985 × 10^7
Engineering notation	2.1609985 × 10^6

Prime Factorization of 21609985

Prime Factorization 5 × 4321997

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21609985	Product of the distinct prime numbers

The prime factorization of 21609985 is 5 × 4321997. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 9, 55, 59, 217, 884, 1174, 7856, 13815, 9864, 139311, 148001, 3305716, 5733695, 60404396, 36339319, 661040348, 560441085, 1440349722, 5307526290

Basic calculations (n = 21609985)

Multiplication

n×y

n×2	43219970
n×3	64829955
n×4	86439940
n×5	108049925

Division

n÷y

n÷2	10804992.5
n÷3	7203328.3333333
n÷3	5402496.25
n÷5	4321997

Exponentiation

n^y

n²	466991451700225
n³	1.009167826637E+22
n⁴	2.1808101596108E+29
n⁵	4.7127274837038E+36

Nth Root

^y√n

²√n	4648.6541062979
³√n	278.53823661386
⁴√n	68.18103919931
⁵√n	29.304269052847

Divisors of 21609985

1, 5, 4321997, 21609985

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	-21609984	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 21609985 can be divided by 4 positive divisors. The sum of these divisors (counting 21609985) is 1, the average is 0.25.

Base conversion 21609985

Base	System	Value
2	Binary	1010010011011111000000001
3	Ternary	1111122220022211
4	Quaternary	1102123320001
5	Quinary	21013004420
6	Senary	2051102121
8	Octal	122337001
10	Decimal	21609985
12	Duodecimal	72a1941
16	Hexadecimal	149be01
20	Vigesimal	6f14j5
36	Base36	cv6dd

Cryptographic Hash Functions

md5	d645a7b5f2ca9786daaf5efb28ba567e
sha1	225b3a5d5a2cd91011507e386a1a00636fe35422
sha256	bd10b8ca9f59a3447558d8daa2803b4f630f72e4033ed718ae0a74954d9603f5
sha512	149312fd09691edcf78a8a2c10e4781128da0ce8b1fe3a53c29a304bfb6d83aa5278a25a49f5667d33fe4503cf92d4f561b4278c3123aab148e5d2888261c402
ripemd-160	d8811e1f2fafcef1b24a78c49b1c3274ed62c68f

21609985 as geometric shapes

Circle

Radius = n

Diameter	43219970
Circumference	135779540.24037
Area	1.4670969139507E+15

Sphere

Radius = n

Volume	4.2271923072027E+22
Surface area	5.8683876558026E+15
Circumference	135779540.24037

Square

Length = n

Perimeter	86439940
Area	466991451700225
Diagonal	30561133.869679

Cube

Length = n

Surface area	2801948710201350
Volume	1.009167826637E+22
Space diagonal	37429591.970801

Equilateral Triangle

Length = n

Perimeter	64829955
Area	2.0221323026128E+14
Altitude	18714795.985401

Triangular Pyramid

Length = n

Surface area	2.0221323026128E+14
Volume	1.1893156892839E+21
Height	10187044.623226