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

20121866 (number)

20121866 is an even 8-digits composite number following 20121865 and preceding 20121867. In scientific notation, it is written as 2.0121866 × 10^7. The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors. There are 9867744 positive integers (up to 20121866) that are relatively prime to 20121866.

Interesting facts

20121866 has 8 divisors, whose sum is 30246240
The reverse of 20121866 is 66812102
Previous prime number is 20659

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8

Name

Name	twenty million one hundred twenty-one thousand eight hundred sixty-six

Notation

Scientific notation	2.0121866 × 10^7
Engineering notation	2.0121866 × 10^6

Prime Factorization of 20121866

Prime Factorization 2 × 20659 × 487

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20121866	Product of the distinct prime numbers

The prime factorization of 20121866 is 2 × 20659 × 487. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 2, 51, 64, 638, 458, 7654, 6093, 82977, 78759, 311629, 394236, 2864995, 5485912, 43755282, 37214334, 740571040, 799514386, 9624941626, 727968344

Basic calculations (n = 20121866)

Multiplication

n×y

n×2	40243732
n×3	60365598
n×4	80487464
n×5	100609330

Division

n÷y

n÷2	10060933
n÷3	6707288.6666667
n÷3	5030466.5
n÷5	4024373.2

Exponentiation

n^y

n²	404889491321956
n³	8.1471320891886E+21
n⁴	1.6393550018295E+29
n⁵	3.2986881673243E+36

Nth Root

^y√n

²√n	4485.740295648
³√n	271.99197100002
⁴√n	66.975669430383
⁵√n	28.88907593949

Divisors of 20121866

1, 2, 487, 974, 20659, 41318, 10060933, 20121866

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	-20121865	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 20121866 can be divided by 8 positive divisors. The sum of these divisors (counting 20121866) is 1, the average is 0.125.

Base conversion 20121866

Base	System	Value
2	Binary	1001100110000100100001010
3	Ternary	1101212022000022
4	Quaternary	1030300210022
5	Quinary	20122344431
6	Senary	1555140442
8	Octal	114604412
10	Decimal	20121866
12	Duodecimal	68a4722
16	Hexadecimal	133090a
20	Vigesimal	65f4d6
36	Base36	bza4q

Cryptographic Hash Functions

md5	0a349a81742e6e64371b329ee0523e96
sha1	f0f6e42ef1c80a7a9af59c6ee04334bab0b1cbb5
sha256	310ea6a6bd981f333b119932bbb069e7bb937ec9f22f637fd3c6f440bfd7b7f6
sha512	7942b0d065e518fb237448b8973bd6c512c89fd10b4f0b3e689dbc522618d197381623c7f0f2f1234f68ca0d7513488e4199c1b634b466bfed2ff14afe30a86d
ripemd-160	765e6424a49c593b9cdcc1ddfc2f3628ac863b90

20121866 as geometric shapes

Circle

Radius = n

Diameter	40243732
Circumference	126429412.80424
Area	1.2719978514528E+15

Sphere

Radius = n

Volume	3.4126627092294E+22
Surface area	5.0879914058111E+15
Circumference	126429412.80424

Square

Length = n

Perimeter	80487464
Area	404889491321956
Diagonal	28456615.797454

Cube

Length = n

Surface area	2429336947931736
Volume	8.1471320891886E+21
Space diagonal	34852094.255093

Equilateral Triangle

Length = n

Perimeter	60365598
Area	1.7532229260509E+14
Altitude	17426047.127546

Triangular Pyramid

Length = n

Surface area	1.7532229260509E+14
Volume	9.6014872458129E+20
Height	9485538.5991514