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

21003985 (number)

21003985 is an odd 8-digits composite number following 21003984 and preceding 21003986. In scientific notation, it is written as 2.1003985 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 16803184 positive integers (up to 21003985) that are relatively prime to 21003985.

Interesting facts

21003985 has 4 divisors, whose sum is 25204788
The reverse of 21003985 is 58930012
Previous prime number is 5

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1

Name

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

Notation

Scientific notation	2.1003985 × 10^7
Engineering notation	2.1003985 × 10^6

Prime Factorization of 21003985

Prime Factorization 5 × 4200797

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21003985	Product of the distinct prime numbers

The prime factorization of 21003985 is 5 × 4200797. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 10, 56, 19, 908, 675, 4204, 99, 50701, 62161, 199560, 992234, 7953515, 4864429, 43501756, 99317312, 364934952, 657948795, 2435758669, 7678050254

Basic calculations (n = 21003985)

Multiplication

n×y

n×2	42007970
n×3	63011955
n×4	84015940
n×5	105019925

Division

n÷y

n÷2	10501992.5
n÷3	7001328.3333333
n÷3	5250996.25
n÷5	4200797

Exponentiation

n^y

n²	441167385880225
n³	9.2662731555175E+21
n⁴	1.9462866236439E+29
n⁵	4.0879775048717E+36

Nth Root

^y√n

²√n	4583.010473477
³√n	275.90986782459
⁴√n	67.697935518574
⁵√n	29.138040317876

Divisors of 21003985

1, 5, 4200797, 21003985

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	-21003984	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 21003985 can be divided by 4 positive divisors. The sum of these divisors (counting 21003985) is 1, the average is 0.25.

Base conversion 21003985

Base	System	Value
2	Binary	1010000000111111011010001
3	Ternary	1110112010001101
4	Quaternary	1100013323101
5	Quinary	20334111420
6	Senary	2030104401
8	Octal	120077321
10	Decimal	21003985
12	Duodecimal	704b101
16	Hexadecimal	1407ed1
20	Vigesimal	6b59j5
36	Base36	ci6s1

Cryptographic Hash Functions

md5	212fd2fc4b7eb9a7f49c8a7c8e7234b3
sha1	7afbc515c22ee394e81c285e51b0e46b9879ce0c
sha256	22862d202b51e36e83812e4fa6714469d27eea3125cf8df7b0eea39742b4e29e
sha512	a905816f159589840c3083f9e05150430bfb5b17cc6175a84be7196878d62d38ffd6a3c08bc1a75751bdf6b11267dc91ccd9a56b6541c2f06b50b42aaedc2dce
ripemd-160	efa2726aef669bf35c52e6b07b03edc207195a3f

21003985 as geometric shapes

Circle

Radius = n

Diameter	42007970
Circumference	131971929.94422
Area	1.3859682184847E+15

Sphere

Radius = n

Volume	3.8814474228707E+22
Surface area	5.5438728739389E+15
Circumference	131971929.94422

Square

Length = n

Perimeter	84015940
Area	441167385880225
Diagonal	29704120.450881

Cube

Length = n

Surface area	2647004315281350
Volume	9.2662731555175E+21
Space diagonal	36379969.181415

Equilateral Triangle

Length = n

Perimeter	63011955
Area	1.9103108174672E+14
Altitude	18189984.590707

Triangular Pyramid

Length = n

Surface area	1.9103108174672E+14
Volume	1.0920407640989E+21
Height	9901373.483627