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

20081986 (number)

20081986 is an even 8-digits composite number following 20081985 and preceding 20081987. In scientific notation, it is written as 2.0081986 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 9717060 positive integers (up to 20081986) that are relatively prime to 20081986.

Interesting facts

20081986 has 8 divisors, whose sum is 31094784
The reverse of 20081986 is 68918002
Previous prime number is 31

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7

Name

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

Notation

Scientific notation	2.0081986 × 10^7
Engineering notation	2.0081986 × 10^6

Prime Factorization of 20081986

Prime Factorization 2 × 31 × 323903

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20081986	Product of the distinct prime numbers

The prime factorization of 20081986 is 2 × 31 × 323903. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 5, 27, 81, 516, 610, 8800, 5120, 12583, 16232, 705516, 965083, 3021340, 4536194, 19284826, 25971124, 766421345, 528028123, 7015629745, 5076809638

Basic calculations (n = 20081986)

Multiplication

n×y

n×2	40163972
n×3	60245958
n×4	80327944
n×5	100409930

Division

n÷y

n÷2	10040993
n÷3	6693995.3333333
n÷3	5020496.5
n÷5	4016397.2

Exponentiation

n^y

n²	403286161704196
n³	8.0987870533374E+21
n⁴	1.626397282221E+29
n⁵	3.2661287452001E+36

Nth Root

^y√n

²√n	4481.2928937975
³√n	271.81216306198
⁴√n	66.942459573857
⁵√n	28.877615662567

Divisors of 20081986

1, 2, 31, 62, 323903, 647806, 10040993, 20081986

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20081985	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20081986 can be divided by 8 positive divisors. The sum of these divisors (counting 20081986) is 1, the average is 0.125.

Base conversion 20081986

Base	System	Value
2	Binary	1001100100110110101000010
3	Ternary	1101210021022021
4	Quaternary	1030212311002
5	Quinary	20120110421
6	Senary	1554232054
8	Octal	114466502
10	Decimal	20081986
12	Duodecimal	688562a
16	Hexadecimal	1326d42
20	Vigesimal	65a4j6
36	Base36	byfcy

Cryptographic Hash Functions

md5	f18ae55f12ad32b40082c6053c7b2813
sha1	e327c7d372391c7309dc4fa32b91b64f9c63c3ca
sha256	6e743c3a10cbfaa339fdcb3b02167d987099e96066914102993dfe41cf04e81f
sha512	2183b13ff723c290e86ec3adee71da790f8963be638f9f0f4521e6431dd233d441a1b395a18e29cab98e1804dd3302d9a945f91703f79aee8d07b83646c0d944
ripemd-160	ed1184ea49e657947d0b28f2b2bbc42f108c6d1f

20081986 as geometric shapes

Circle

Radius = n

Diameter	40163972
Circumference	126178839.37419
Area	1.2669608429043E+15

Sphere

Radius = n

Volume	3.3924119879671E+22
Surface area	5.0678433716173E+15
Circumference	126178839.37419

Square

Length = n

Perimeter	80327944
Area	403286161704196
Diagonal	28400216.960587

Cube

Length = n

Surface area	2419716970225176
Volume	8.0987870533374E+21
Space diagonal	34783020.068887

Equilateral Triangle

Length = n

Perimeter	60245958
Area	1.7462803051528E+14
Altitude	17391510.034443

Triangular Pyramid

Length = n

Surface area	1.7462803051528E+14
Volume	9.5445120746678E+20
Height	9466738.9868622