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

20081261 (number)

20081261 is an odd 8-digits composite number following 20081260 and preceding 20081262. In scientific notation, it is written as 2.0081261 × 10^7. The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors. There are 19752000 positive integers (up to 20081261) that are relatively prime to 20081261.

Interesting facts

20081261 has 4 divisors, whose sum is 20410524
The reverse of 20081261 is 16218002
Previous prime number is 61

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2

Name

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

Notation

Scientific notation	2.0081261 × 10^7
Engineering notation	2.0081261 × 10^6

Prime Factorization of 20081261

Prime Factorization 61 × 329201

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20081261	Product of the distinct prime numbers

The prime factorization of 20081261 is 61 × 329201. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 8, 38, 3, 821, 455, 6202, 4598, 39767, 93126, 372875, 649468, 4402612, 9751233, 10505866, 44270880, 908150521, 421595130, 529182022, 7607093418

Basic calculations (n = 20081261)

Multiplication

n×y

n×2	40162522
n×3	60243783
n×4	80325044
n×5	100406305

Division

n÷y

n÷2	10040630.5
n÷3	6693753.6666667
n÷3	5020315.25
n÷5	4016252.2

Exponentiation

n^y

n²	403257043350121
n³	8.0979099376021E+21
n⁴	1.6261624301148E+29
n⁵	3.265539218753E+36

Nth Root

^y√n

²√n	4481.2120012336
³√n	271.8088920344
⁴√n	66.941855376391
⁵√n	28.877407151579

Divisors of 20081261

1, 61, 329201, 20081261

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	-20081260	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 20081261 can be divided by 4 positive divisors. The sum of these divisors (counting 20081261) is 1, the average is 0.25.

Base conversion 20081261

Base	System	Value
2	Binary	1001100100110101001101101
3	Ternary	1101210020022102
4	Quaternary	1030212221231
5	Quinary	20120100021
6	Senary	1554224445
8	Octal	114465155
10	Decimal	20081261
12	Duodecimal	6885125
16	Hexadecimal	1326a6d
20	Vigesimal	65a331
36	Base36	byest

Cryptographic Hash Functions

md5	bcb082da50348cbec08b15ce30dd9c5e
sha1	06fcf8b329a54ec445ffa90d9d48734f68b70ae0
sha256	506432abc6cc201b248e1e69267c946fb7c5592eacfa1b9871fa335b71ed95d3
sha512	a3a0e3f46f57571ae4d4adf0f2fd2b4d6a87621c184cfcfadba8c17fcafa1a0a18161356631e8c480b610ae468d3c5501c77be041cbcc432587457b692bdf204
ripemd-160	9be6cd24dfb1e47c85274d83e0193c27ef4d41cf

20081261 as geometric shapes

Circle

Radius = n

Diameter	40162522
Circumference	126174284.06484
Area	1.2668693648971E+15

Sphere

Radius = n

Volume	3.392044582587E+22
Surface area	5.0674774595883E+15
Circumference	126174284.06484

Square

Length = n

Perimeter	80325044
Area	403257043350121
Diagonal	28399191.655754

Cube

Length = n

Surface area	2419542260100726
Volume	8.0979099376021E+21
Space diagonal	34781764.332051

Equilateral Triangle

Length = n

Perimeter	60243783
Area	1.746154218981E+14
Altitude	17390882.166026

Triangular Pyramid

Length = n

Surface area	1.746154218981E+14
Volume	9.5434783838606E+20
Height	9466397.2185846