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

20512081 (number)

20512081 is an odd 8-digits composite number following 20512080 and preceding 20512082. In scientific notation, it is written as 2.0512081 × 10^7. The sum of its digits is 19. It has a total of 3 prime factors and 8 positive divisors. There are 19268928 positive integers (up to 20512081) that are relatively prime to 20512081.

Interesting facts

20512081 has 8 divisors, whose sum is 21759840
The reverse of 20512081 is 18021502
Previous prime number is 1459

Basic properties

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

Name

Name	twenty million five hundred twelve thousand eighty-one

Notation

Scientific notation	2.0512081 × 10^7
Engineering notation	2.0512081 × 10^6

Prime Factorization of 20512081

Prime Factorization 17 × 1459 × 827

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20512081	Product of the distinct prime numbers

The prime factorization of 20512081 is 17 × 1459 × 827. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 8, 98, 32, 908, 243, 3453, 9898, 64335, 98073, 917309, 482390, 9753470, 7921675, 4543545, 34471764, 186677010, 427723850, 9064235816, 5227743565

Basic calculations (n = 20512081)

Multiplication

n×y

n×2	41024162
n×3	61536243
n×4	82048324
n×5	102560405

Division

n÷y

n÷2	10256040.5
n÷3	6837360.3333333
n÷3	5128020.25
n÷5	4102416.2

Exponentiation

n^y

n²	420745466950561
n³	8.6303650984727E+21
n⁴	1.7702674795945E+29
n⁵	3.6311869933107E+36

Nth Root

^y√n

²√n	4529.0264958377
³√n	273.73893563282
⁴√n	67.298042288299
⁵√n	29.000263539685

Divisors of 20512081

1, 17, 827, 1459, 14059, 24803, 1206593, 20512081

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	-20512080	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 20512081 can be divided by 8 positive divisors. The sum of these divisors (counting 20512081) is 1, the average is 0.125.

Base conversion 20512081

Base	System	Value
2	Binary	1001110001111110101010001
3	Ternary	1102121010021201
4	Quaternary	1032033311101
5	Quinary	20222341311
6	Senary	2011351201
8	Octal	116176521
10	Decimal	20512081
12	Duodecimal	6a52501
16	Hexadecimal	138fd51
20	Vigesimal	684041
36	Base36	c7n81

Cryptographic Hash Functions

md5	3e98f1caa17546933f8c8ea8dc9b29f7
sha1	65bcae69e12409dc6ee7e22160bcbdf41f0a892e
sha256	f43b90f6c01483c0fb7577e16f8bf97aa062b4d2d945fed544433f6494a1799f
sha512	737842510428969d4394a87d10c431ec775521eced41057a9aec67141969bc21d239152beb4f1f7a6795a37f999d5da8aa493278af3da76950f84130733271dd
ripemd-160	3c59a7b9d31a34ecb968ef9bd564b95e7cae8c48

20512081 as geometric shapes

Circle

Radius = n

Diameter	41024162
Circumference	128881205.95888
Area	1.3218108680031E+15

Sphere

Radius = n

Volume	3.6150788788213E+22
Surface area	5.2872434720124E+15
Circumference	128881205.95888

Square

Length = n

Perimeter	82048324
Area	420745466950561
Diagonal	29008463.142695

Cube

Length = n

Surface area	2524472801703366
Volume	8.6303650984727E+21
Space diagonal	35527966.460968

Equilateral Triangle

Length = n

Perimeter	61536243
Area	1.8218813145317E+14
Altitude	17763983.230484

Triangular Pyramid

Length = n

Surface area	1.8218813145317E+14
Volume	1.0170982808743E+21
Height	9669487.7142318