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

20161990 (number)

20161990 is an even 8-digits composite number following 20161989 and preceding 20161991. In scientific notation, it is written as 2.0161990 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 8064792 positive integers (up to 20161990) that are relatively prime to 20161990.

Interesting facts

20161990 has 8 divisors, whose sum is 36291600
The reverse of 20161990 is 09916102
Previous prime number is 5

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1

Name

Name	twenty million one hundred sixty-one thousand nine hundred ninety

Notation

Scientific notation	2.0161990 × 10^7
Engineering notation	2.0161990 × 10^6

Prime Factorization of 20161990

Prime Factorization 2 × 5 × 2016199

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20161990	Product of the distinct prime numbers

The prime factorization of 20161990 is 2 × 5 × 2016199. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 5, 29, 72, 385, 598, 4414, 2341, 80734, 61344, 935731, 237574, 2764243, 8926941, 48770632, 55505481, 295161969, 286432919, 1090810116, 389527835

Basic calculations (n = 20161990)

Multiplication

n×y

n×2	40323980
n×3	60485970
n×4	80647960
n×5	100809950

Division

n÷y

n÷2	10080995
n÷3	6720663.3333333
n÷3	5040497.5
n÷5	4032398

Exponentiation

n^y

n²	406505840760100
n³	8.1959666963467E+21
n⁴	1.6524699857208E+29
n⁵	3.3317083327402E+36

Nth Root

^y√n

²√n	4490.2104627734
³√n	272.17263946473
⁴√n	67.009032695402
⁵√n	28.900588011286

Divisors of 20161990

1, 2, 5, 10, 2016199, 4032398, 10080995, 20161990

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	-20161989	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 20161990 can be divided by 8 positive divisors. The sum of these divisors (counting 20161990) is 1, the average is 0.125.

Base conversion 20161990

Base	System	Value
2	Binary	1001100111010010111000110
3	Ternary	1101221100001101
4	Quaternary	1030322113012
5	Quinary	20130140430
6	Senary	2000050314
8	Octal	114722706
10	Decimal	20161990
12	Duodecimal	690399a
16	Hexadecimal	133a5c6
20	Vigesimal	6604ja
36	Base36	c053a

Cryptographic Hash Functions

md5	7f7f3aa9b30c0f827df2f7a6d76fb138
sha1	8f0a26befc7895ef44ead61f186b0ccab100d478
sha256	4dd0e93d374ff79d3dd25e5cb7dc8c9060772fd46cb707fc9c7d307540ee95ac
sha512	c6e277afe53828114df3bc347aa87cd1dd5d0a9aa55eb87a50f2d0e05bf42a902c465a9e57d619e335e068c8638a4e52f2537ee87ee8275ceab6a9df72ad988c
ripemd-160	f8fb6cd1ca94b83eeba44d4caab0fc8cc040a036

20161990 as geometric shapes

Circle

Radius = n

Diameter	40323980
Circumference	126681519.3315
Area	1.2770757629733E+15

Sphere

Radius = n

Volume	3.4331185016413E+22
Surface area	5.1083030518931E+15
Circumference	126681519.3315

Square

Length = n

Perimeter	80647960
Area	406505840760100
Diagonal	28513359.702431

Cube

Length = n

Surface area	2439035044560600
Volume	8.1959666963467E+21
Space diagonal	34921591.061696

Equilateral Triangle

Length = n

Perimeter	60485970
Area	1.760221924425E+14
Altitude	17460795.530848

Triangular Pyramid

Length = n

Surface area	1.760221924425E+14
Volume	9.6590393822765E+20
Height	9504453.2341436