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

20081681 (number)

20081681 is an odd 8-digits prime number following 20081680 and preceding 20081682. In scientific notation, it is written as 2.0081681 × 10^7. The sum of its digits is 26. It has a total of 1 prime factors and 2 positive divisors. There are 20081680 positive integers (up to 20081681) that are relatively prime to 20081681.

Interesting facts

20081681 has 2 divisors, whose sum is 20081682
The reverse of 20081681 is 18618002
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8

Name

Name	twenty million eighty-one thousand six hundred eighty-one

Notation

Scientific notation	2.0081681 × 10^7
Engineering notation	2.0081681 × 10^6

Prime Factorization of 20081681

Prime Factorization 20081681

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	20081681	Product of the distinct prime numbers

The prime factorization of 20081681 is 20081681. Since it has a total of 1 prime factors.

Most popular turbo-numbers

10, 7, 78, 15, 589, 338, 7283, 6868, 87411, 56253, 605082, 695321, 6342764, 4705484, 51127937, 43577975, 331881300, 364139839, 3860452621, 1399848248

Basic calculations (n = 20081681)

Multiplication

n×y

n×2	40163362
n×3	60245043
n×4	80326724
n×5	100408405

Division

n÷y

n÷2	10040840.5
n÷3	6693893.6666667
n÷3	5020420.25
n÷5	4016336.2

Exponentiation

n^y

n²	403273911785761
n³	8.0984180521038E+21
n⁴	1.6262984792699E+29
n⁵	3.2658807271483E+36

Nth Root

^y√n

²√n	4481.2588633106
³√n	271.81078698411
⁴√n	66.942205396227
⁵√n	28.877527944885

Divisors of 20081681

1, 20081681

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	20081682	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10040841	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4481.2589748864	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999004067	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20081681 can be divided by 2 positive divisors. The sum of these divisors (counting 20081681) is 20081682, the average is 10040841.

Base conversion 20081681

Base	System	Value
2	Binary	1001100100110110000010001
3	Ternary	1101210020212222
4	Quaternary	1030212300101
5	Quinary	20120103211
6	Senary	1554230425
8	Octal	114466021
10	Decimal	20081681
12	Duodecimal	6885415
16	Hexadecimal	1326c11
20	Vigesimal	65a441
36	Base36	byf4h

Cryptographic Hash Functions

md5	3a80abd83c357916f8699e161eb4ef5d
sha1	309a4d755f2a7f18478bc03740ce7909ba74474c
sha256	ad19731912d17fe1a516b1ae4974f3cf1e8e14e6c22d5852fb54f46e9d28b31d
sha512	ef02553fb910156a2add2ed5f1197e1d015da83cdb1eb58e0d28696d63d5e23e91891e203e6948ee84130463ee044ba96b946b54449f02392101ca211a2f656d
ripemd-160	3fb45a3d5836af946021bb8966d07c9a2ca0e18b

20081681 as geometric shapes

Circle

Radius = n

Diameter	40163362
Circumference	126176923.00267
Area	1.2669223586506E+15

Sphere

Radius = n

Volume	3.3922574210918E+22
Surface area	5.0676894346023E+15
Circumference	126176923.00267

Square

Length = n

Perimeter	80326724
Area	403273911785761
Diagonal	28399785.62545

Cube

Length = n

Surface area	2419643470714566
Volume	8.0984180521038E+21
Space diagonal	34782491.793391

Equilateral Triangle

Length = n

Perimeter	60245043
Area	1.74622726145E+14
Altitude	17391245.896695

Triangular Pyramid

Length = n

Surface area	1.74622726145E+14
Volume	9.5440772025436E+20
Height	9466595.2084834