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

20687081 (number)

20687081 is an odd 8-digits prime number following 20687080 and preceding 20687082. In scientific notation, it is written as 2.0687081 × 10^7. The sum of its digits is 32. It has a total of 1 prime factors and 2 positive divisors. There are 20687080 positive integers (up to 20687081) that are relatively prime to 20687081.

Interesting facts

20687081 has 2 divisors, whose sum is 20687082
The reverse of 20687081 is 18078602
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5

Name

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

Notation

Scientific notation	2.0687081 × 10^7
Engineering notation	2.0687081 × 10^6

Prime Factorization of 20687081

Prime Factorization 20687081

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	20687081	Product of the distinct prime numbers

The prime factorization of 20687081 is 20687081. Since it has a total of 1 prime factors.

Most popular turbo-numbers

6, 4, 51, 100, 935, 466, 7934, 8588, 15984, 84088, 38103, 245723, 7530695, 7680550, 97638640, 78721439, 863499998, 448853584, 6519248204, 9843252301

Basic calculations (n = 20687081)

Multiplication

n×y

n×2	41374162
n×3	62061243
n×4	82748324
n×5	103435405

Division

n÷y

n÷2	10343540.5
n÷3	6895693.6666667
n÷3	5171770.25
n÷5	4137416.2

Exponentiation

n^y

n²	427955320300561
n³	8.8531463754386E+21
n⁴	1.8314575617356E+29
n⁵	3.7887510927686E+36

Nth Root

^y√n

²√n	4548.3052887861
³√n	274.51520536694
⁴√n	67.441124610924
⁵√n	29.049579014113

Divisors of 20687081

1, 20687081

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	20687082	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10343541	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4548.3053987172	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999033213	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20687081 can be divided by 2 positive divisors. The sum of these divisors (counting 20687081) is 20687082, the average is 10343541.

Base conversion 20687081

Base	System	Value
2	Binary	1001110111010100011101001
3	Ternary	1102221000100012
4	Quaternary	1032322203221
5	Quinary	20243441311
6	Senary	2015221305
8	Octal	116724351
10	Decimal	20687081
12	Duodecimal	6b17835
16	Hexadecimal	13ba8e9
20	Vigesimal	695he1
36	Base36	cbe95

Cryptographic Hash Functions

md5	f47fa03dbfa41fd569a03e966b1cfc31
sha1	9063aa950c6988e5579fba045462a68a3f169e57
sha256	da5ead35900102c7450ecbc1ad117356b4a74745791b7b35f79bceb8f5dc9e98
sha512	4681b81f7907d2aa1512731757b52f797fae030637ff768dcb1361eff152a48a7b3de9c115921a33d05b3a8ea328e1e8138ee125b377eff66fdcf28c1bcfbed6
ripemd-160	5e9cbf3c6bdf4792da2bac42ba4e07b68f3ab058

20687081 as geometric shapes

Circle

Radius = n

Diameter	41374162
Circumference	129980763.38763
Area	1.3444612903209E+15

Sphere

Radius = n

Volume	3.7083972818978E+22
Surface area	5.3778451612836E+15
Circumference	129980763.38763

Square

Length = n

Perimeter	82748324
Area	427955320300561
Diagonal	29255950.516111

Cube

Length = n

Surface area	2567731921803366
Volume	8.8531463754386E+21
Space diagonal	35831075.352293

Equilateral Triangle

Length = n

Perimeter	62061243
Area	1.853100895325E+14
Altitude	17915537.676146

Triangular Pyramid

Length = n

Surface area	1.853100895325E+14
Volume	1.0433533061516E+21
Height	9751983.5053703