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

20081531 (number)

20081531 is an odd 8-digits prime number following 20081530 and preceding 20081532. In scientific notation, it is written as 2.0081531 × 10^7. The sum of its digits is 20. It has a total of 1 prime factors and 2 positive divisors. There are 20081530 positive integers (up to 20081531) that are relatively prime to 20081531.

Interesting facts

20081531 has 2 divisors, whose sum is 20081532
The reverse of 20081531 is 13518002
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2

Name

Name	twenty million eighty-one thousand five hundred thirty-one

Notation

Scientific notation	2.0081531 × 10^7
Engineering notation	2.0081531 × 10^6

Prime Factorization of 20081531

Prime Factorization 20081531

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	20081531	Product of the distinct prime numbers

The prime factorization of 20081531 is 20081531. Since it has a total of 1 prime factors.

Most popular turbo-numbers

9, 1, 65, 59, 168, 120, 316, 6551, 10714, 25263, 288070, 744105, 7971591, 5531347, 32218879, 3243419, 112757760, 937179633, 1325019098, 5134475696

Basic calculations (n = 20081531)

Multiplication

n×y

n×2	40163062
n×3	60244593
n×4	80326124
n×5	100407655

Division

n÷y

n÷2	10040765.5
n÷3	6693843.6666667
n÷3	5020382.75
n÷5	4016306.2

Exponentiation

n^y

n²	403267887303961
n³	8.098236580199E+21
n⁴	1.626249889306E+29
n⁵	3.2657587565845E+36

Nth Root

^y√n

²√n	4481.2421269108
³√n	271.81011021939
⁴√n	66.942080389773
⁵√n	28.87748480465

Divisors of 20081531

1, 20081531

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	20081532	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10040766	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4481.242238487	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.999999900406	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20081531 can be divided by 2 positive divisors. The sum of these divisors (counting 20081531) is 20081532, the average is 10040766.

Base conversion 20081531

Base	System	Value
2	Binary	1001100100110101101111011
3	Ternary	1101210020200102
4	Quaternary	1030212231323
5	Quinary	20120102111
6	Senary	1554230015
8	Octal	114465573
10	Decimal	20081531
12	Duodecimal	688530b
16	Hexadecimal	1326b7b
20	Vigesimal	65a3gb
36	Base36	byf0b

Cryptographic Hash Functions

md5	538ab1c5a6de687050fa98f09a9842b9
sha1	b6073984afd6eae812094d0fb93d77a0a3242280
sha256	62d7d54b9f4b1fe2136c3248558825f609a067aa9b2ef322a0911b3c5df5459c
sha512	907dd0e86e9e709b9b132ca6e0342143b96580b566110d69299d2e80759e760f3e66fb18d403c8450765967b7425d07e31ddbcc64769bdb2a864ddbf88e1be1c
ripemd-160	386a262d7c42c80507a303a5bd6b43429c2eaca8

20081531 as geometric shapes

Circle

Radius = n

Diameter	40163062
Circumference	126175980.52487
Area	1.2669034321828E+15

Sphere

Radius = n

Volume	3.392181406318E+22
Surface area	5.0676137287312E+15
Circumference	126175980.52487

Square

Length = n

Perimeter	80326124
Area	403267887303961
Diagonal	28399573.493416

Cube

Length = n

Surface area	2419607323823766
Volume	8.098236580199E+21
Space diagonal	34782231.985769

Equilateral Triangle

Length = n

Perimeter	60244593
Area	1.7462011746786E+14
Altitude	17391115.992885

Triangular Pyramid

Length = n

Surface area	1.7462011746786E+14
Volume	9.5438633358528E+20
Height	9466524.4978052