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

21081875 (number)

21081875 is an odd 8-digits composite number following 21081874 and preceding 21081876. In scientific notation, it is written as 2.1081875 × 10^7. The sum of its digits is 32. It has a total of 5 prime factors and 20 positive divisors. There are 16632000 positive integers (up to 21081875) that are relatively prime to 21081875.

Interesting facts

21081875 has 20 divisors, whose sum is 26710200
The reverse of 21081875 is 57818012
Previous prime number is 89

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5

Name

Name	twenty-one million eighty-one thousand eight hundred seventy-five

Notation

Scientific notation	2.1081875 × 10^7
Engineering notation	2.1081875 × 10^6

Prime Factorization of 21081875

Prime Factorization 5 × 25 × 5 × 89 × 379

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	5	Total number of prime factors
rad	Radical	4216375	Product of the distinct prime numbers

The prime factorization of 21081875 is 5 × 25 × 5 × 89 × 379. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 4, 52, 8, 702, 291, 2691, 7954, 27263, 70988, 825375, 278781, 7819857, 9403441, 44910135, 55873501, 709051365, 932946359, 4724495206, 6455808698

Basic calculations (n = 21081875)

Multiplication

n×y

n×2	42163750
n×3	63245625
n×4	84327500
n×5	105409375

Division

n÷y

n÷2	10540937.5
n÷3	7027291.6666667
n÷3	5270468.75
n÷5	4216375

Exponentiation

n^y

n²	444445453515625
n³	9.3697434953347E+21
n⁴	1.9753176115071E+29
n⁵	4.1643398971091E+36

Nth Root

^y√n

²√n	4591.5002994664
³√n	276.25050333303
⁴√n	67.760610235345
⁵√n	29.159619107853

Divisors of 21081875

1, 5, 25, 89, 125, 379, 445, 625, 1895, 2225, 9475, 11125, 33731, 47375, 55625, 168655, 236875, 843275, 4216375, 21081875

20 divisors

τ	Total Divisors	20	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21081874	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.05	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	20	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21081875 can be divided by 20 positive divisors. The sum of these divisors (counting 21081875) is 1, the average is 0.05.

Base conversion 21081875

Base	System	Value
2	Binary	1010000011010111100010011
3	Ternary	1110200001220012
4	Quaternary	1100122330103
5	Quinary	20344110000
6	Senary	2031505135
8	Octal	120327423
10	Decimal	21081875
12	Duodecimal	70881ab
16	Hexadecimal	141af13
20	Vigesimal	6bf4df
36	Base36	cjuvn

Cryptographic Hash Functions

md5	8df01364dd80d97413b6b20c95b76496
sha1	d3e3e84879249ae1541ae3a087c62bf0192c38f8
sha256	7f75be1969c7fb03afc93c0450612011cb6a5f90378b82db037ba642b254a082
sha512	16ee0fb639ca651a4b74f813b98f0783b1b9438a4ed7b08d5de98a435db33b8d943daea71318fb27cfbe73ef52ae1ba88dee6e7a632784361e6694d33038ca79
ripemd-160	ff2499ca761255bc1359019d5f2ada3f0cb800b0

21081875 as geometric shapes

Circle

Radius = n

Diameter	42163750
Circumference	132461327.2478
Area	1.3962665716861E+15

Sphere

Radius = n

Volume	3.9247889774619E+22
Surface area	5.5850662867443E+15
Circumference	132461327.2478

Square

Length = n

Perimeter	84327500
Area	444445453515625
Diagonal	29814273.545254

Cube

Length = n

Surface area	2666672721093750
Volume	9.3697434953347E+21
Space diagonal	36514878.618816

Equilateral Triangle

Length = n

Perimeter	63245625
Area	1.9245052667051E+14
Altitude	18257439.309408

Triangular Pyramid

Length = n

Surface area	1.9245052667051E+14
Volume	1.1042348605883E+21
Height	9938091.1817514