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

20081687 (number)

20081687 is an odd 8-digits composite number following 20081686 and preceding 20081688. In scientific notation, it is written as 2.0081687 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 19980576 positive integers (up to 20081687) that are relatively prime to 20081687.

Interesting facts

20081687 has 4 divisors, whose sum is 20182800
The reverse of 20081687 is 78618002
Previous prime number is 199

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5

Name

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

Notation

Scientific notation	2.0081687 × 10^7
Engineering notation	2.0081687 × 10^6

Prime Factorization of 20081687

Prime Factorization 199 × 100913

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20081687	Product of the distinct prime numbers

The prime factorization of 20081687 is 199 × 100913. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 10, 75, 50, 401, 105, 40, 6560, 66560, 23719, 24856, 382264, 6082489, 7454566, 25736142, 92160779, 324824519, 111012023, 4167203208, 6145254097

Basic calculations (n = 20081687)

Multiplication

n×y

n×2	40163374
n×3	60245061
n×4	80326748
n×5	100408435

Division

n÷y

n÷2	10040843.5
n÷3	6693895.6666667
n÷3	5020421.75
n÷5	4016337.4

Exponentiation

n^y

n²	403274152765969
n³	8.0984253110364E+21
n⁴	1.6263004228911E+29
n⁵	3.2658856060467E+36

Nth Root

^y√n

²√n	4481.2595327653
³√n	271.81081405463
⁴√n	66.94221039647
⁵√n	28.877529670489

Divisors of 20081687

1, 199, 100913, 20081687

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	-20081686	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 20081687 can be divided by 4 positive divisors. The sum of these divisors (counting 20081687) is 1, the average is 0.25.

Base conversion 20081687

Base	System	Value
2	Binary	1001100100110110000010111
3	Ternary	1101210020220012
4	Quaternary	1030212300113
5	Quinary	20120103222
6	Senary	1554230435
8	Octal	114466027
10	Decimal	20081687
12	Duodecimal	688541b
16	Hexadecimal	1326c17
20	Vigesimal	65a447
36	Base36	byf4n

Cryptographic Hash Functions

md5	75c66b09752116c8ae9449e9f4f88576
sha1	c0cc5bc552a9e43debccfe50ed4c63348c5ff71b
sha256	347a80b187514f2e37741999083a87a9ea0b8ae95d69a4ab688b3d64a89c658f
sha512	6258212d349a01ee647cf67f95852c15c88f2eb46547e1c58a1e061698dec1213812cb2fe9a1347e226a6d844bfb746d1e1863da77b24b6249bc334c48b71070
ripemd-160	b7e69f00a076339e427a5884ca686a53b2019357

20081687 as geometric shapes

Circle

Radius = n

Diameter	40163374
Circumference	126176960.70178
Area	1.2669231157122E+15

Sphere

Radius = n

Volume	3.3922604617063E+22
Surface area	5.0676924628489E+15
Circumference	126176960.70178

Square

Length = n

Perimeter	80326748
Area	403274152765969
Diagonal	28399794.110731

Cube

Length = n

Surface area	2419644916595814
Volume	8.0984253110364E+21
Space diagonal	34782502.185695

Equilateral Triangle

Length = n

Perimeter	60245061
Area	1.7462283049249E+14
Altitude	17391251.092848

Triangular Pyramid

Length = n

Surface area	1.7462283049249E+14
Volume	9.5440857572777E+20
Height	9466598.0369105