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

20168987 (number)

20168987 is an odd 8-digits composite number following 20168986 and preceding 20168988. In scientific notation, it is written as 2.0168987 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 18982560 positive integers (up to 20168987) that are relatively prime to 20168987.

Interesting facts

20168987 has 4 divisors, whose sum is 21355416
The reverse of 20168987 is 78986102
Previous prime number is 17

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5

Name

Name	twenty million one hundred sixty-eight thousand nine hundred eighty-seven

Notation

Scientific notation	2.0168987 × 10^7
Engineering notation	2.0168987 × 10^6

Prime Factorization of 20168987

Prime Factorization 17 × 1186411

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20168987	Product of the distinct prime numbers

The prime factorization of 20168987 is 17 × 1186411. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 7, 39, 23, 182, 858, 5920, 5985, 43018, 44070, 612597, 500086, 3850, 4871274, 53154190, 46583757, 437296485, 845900161, 5276659821, 2812599072

Basic calculations (n = 20168987)

Multiplication

n×y

n×2	40337974
n×3	60506961
n×4	80675948
n×5	100844935

Division

n÷y

n÷2	10084493.5
n÷3	6722995.6666667
n÷3	5042246.75
n÷5	4033797.4

Exponentiation

n^y

n²	406788036606169
n³	8.2045026220653E+21
n⁴	1.654765067259E+29
n⁵	3.3374935129601E+36

Nth Root

^y√n

²√n	4490.9895346126
³√n	272.20412067767
⁴√n	67.014845628507
⁵√n	28.902593660026

Divisors of 20168987

1, 17, 1186411, 20168987

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	-20168986	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 20168987 can be divided by 4 positive divisors. The sum of these divisors (counting 20168987) is 1, the average is 0.25.

Base conversion 20168987

Base	System	Value
2	Binary	1001100111100000100011011
3	Ternary	1101221200122112
4	Quaternary	1030330010123
5	Quinary	20130401422
6	Senary	2000142535
8	Octal	114740433
10	Decimal	20168987
12	Duodecimal	6907a4b
16	Hexadecimal	133c11b
20	Vigesimal	661297
36	Base36	c0ahn

Cryptographic Hash Functions

md5	df5aa7222c7517e10f30b287b27c6430
sha1	b165a20f0e31da2a5008bf5d7004387eec3c5bdf
sha256	08678deeef09705b2b08938a1a5c056dc6559dc970e440e858517293c1892a4e
sha512	d90c5e7ccb0f3a392011b48acd4d7b1bbc57fc0c4ba5f6c00b2312975a1678563de2543a9fafe68b9ca519600f42a4bedc433d8b02421cc606a79bbe36f0bd83
ripemd-160	aee2434fd799d45a4377c4365c68eebcba388057

20168987 as geometric shapes

Circle

Radius = n

Diameter	40337974
Circumference	126725482.7791
Area	1.2779623073702E+15

Sphere

Radius = n

Volume	3.4366940218452E+22
Surface area	5.1118492294806E+15
Circumference	126725482.7791

Square

Length = n

Perimeter	80675948
Area	406788036606169
Diagonal	28523254.954727

Cube

Length = n

Surface area	2440728219637014
Volume	8.2045026220653E+21
Space diagonal	34933710.221196

Equilateral Triangle

Length = n

Perimeter	60506961
Area	1.7614438682827E+14
Altitude	17466855.110598

Triangular Pyramid

Length = n

Surface area	1.7614438682827E+14
Volume	9.6690990672087E+20
Height	9507751.6515755