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

20123281 (number)

20123281 is an odd 8-digits composite number following 20123280 and preceding 20123282. In scientific notation, it is written as 2.0123281 × 10^7. The sum of its digits is 19. It has a total of 3 prime factors and 8 positive divisors. There are 19897920 positive integers (up to 20123281) that are relatively prime to 20123281.

Interesting facts

20123281 has 8 divisors, whose sum is 20350304
The reverse of 20123281 is 18232102
Previous prime number is 337

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1

Name

Name	twenty million one hundred twenty-three thousand two hundred eighty-one

Notation

Scientific notation	2.0123281 × 10^7
Engineering notation	2.0123281 × 10^6

Prime Factorization of 20123281

Prime Factorization 211 × 337 × 283

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20123281	Product of the distinct prime numbers

The prime factorization of 20123281 is 211 × 337 × 283. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 10, 18, 52, 262, 508, 234, 6854, 27292, 9114, 915207, 614996, 8777758, 2180739, 38393634, 96469660, 117194277, 765214390, 9398193657, 8127917274

Basic calculations (n = 20123281)

Multiplication

n×y

n×2	40246562
n×3	60369843
n×4	80493124
n×5	100616405

Division

n÷y

n÷2	10061640.5
n÷3	6707760.3333333
n÷3	5030820.25
n÷5	4024656.2

Exponentiation

n^y

n²	404946438204961
n³	8.1488509659476E+21
n⁴	1.6398161781488E+29
n⁵	3.2998481741235E+36

Nth Root

^y√n

²√n	4485.8980148907
³√n	271.99834647928
⁴√n	66.976846856885
⁵√n	28.889482232749

Divisors of 20123281

1, 211, 283, 337, 59713, 71107, 95371, 20123281

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	-20123280	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 20123281 can be divided by 8 positive divisors. The sum of these divisors (counting 20123281) is 1, the average is 0.125.

Base conversion 20123281

Base	System	Value
2	Binary	1001100110000111010010001
3	Ternary	1101212100221201
4	Quaternary	1030300322101
5	Quinary	20122421111
6	Senary	1555151201
8	Octal	114607221
10	Decimal	20123281
12	Duodecimal	68a5501
16	Hexadecimal	1330e91
20	Vigesimal	65f841
36	Base36	bzb81

Cryptographic Hash Functions

md5	1c88281cfde4078591673472a1065ded
sha1	281c11b6c0c0f8870df8673b40569de06d6b4f0c
sha256	5fe3ec8d4ceda80b4ac8e243b60b487fbeeda7db3cba94d377f5f96c9d5e6871
sha512	5d8536ba32235d963b61b9c915f64e84c2cb0a1d54f54f00323cc5b97b796a61bdf4e00965b9b60ca7eb403187ef19ff5394ef442ea7d1915725004834b09b71
ripemd-160	013dcf1705a6d8223605e2d399545afd39771deb

20123281 as geometric shapes

Circle

Radius = n

Diameter	40246562
Circumference	126438303.51145
Area	1.2721767553621E+15

Sphere

Radius = n

Volume	3.4133827106425E+22
Surface area	5.0887070214482E+15
Circumference	126438303.51145

Square

Length = n

Perimeter	80493124
Area	404946438204961
Diagonal	28458616.909645

Cube

Length = n

Surface area	2429678629229766
Volume	8.1488509659476E+21
Space diagonal	34854545.106985

Equilateral Triangle

Length = n

Perimeter	60369843
Area	1.7534695132876E+14
Altitude	17427272.553493

Triangular Pyramid

Length = n

Surface area	1.7534695132876E+14
Volume	9.6035129615001E+20
Height	9486205.6365483