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

20161921 (number)

20161921 is an odd 8-digits composite number following 20161920 and preceding 20161922. In scientific notation, it is written as 2.0161921 × 10^7. The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors. There are 18580752 positive integers (up to 20161921) that are relatively prime to 20161921.

Interesting facts

20161921 has 8 divisors, whose sum is 21748160
The reverse of 20161921 is 12916102
Previous prime number is 1063

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4

Name

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

Notation

Scientific notation	2.0161921 × 10^7
Engineering notation	2.0161921 × 10^6

Prime Factorization of 20161921

Prime Factorization 13 × 1063 × 1459

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20161921	Product of the distinct prime numbers

The prime factorization of 20161921 is 13 × 1063 × 1459. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 3, 55, 63, 315, 516, 2167, 8224, 65113, 199, 38652, 825110, 5300820, 1162262, 80876129, 98438942, 59485090, 377028221, 2435637869, 6457000654

Basic calculations (n = 20161921)

Multiplication

n×y

n×2	40323842
n×3	60485763
n×4	80647684
n×5	100809605

Division

n÷y

n÷2	10080960.5
n÷3	6720640.3333333
n÷3	5040480.25
n÷5	4032384.2

Exponentiation

n^y

n²	406503058410241
n³	8.1958825499257E+21
n⁴	1.6524473649688E+29
n⁵	3.3316513229159E+36

Nth Root

^y√n

²√n	4490.2027793854
³√n	272.17232898061
⁴√n	67.008975364389
⁵√n	28.900568230071

Divisors of 20161921

1, 13, 1063, 1459, 13819, 18967, 1550917, 20161921

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	-20161920	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 20161921 can be divided by 8 positive divisors. The sum of these divisors (counting 20161921) is 1, the average is 0.125.

Base conversion 20161921

Base	System	Value
2	Binary	1001100111010010110000001
3	Ternary	1101221022221211
4	Quaternary	1030322112001
5	Quinary	20130140141
6	Senary	2000050121
8	Octal	114722601
10	Decimal	20161921
12	Duodecimal	6903941
16	Hexadecimal	133a581
20	Vigesimal	6604g1
36	Base36	c051d

Cryptographic Hash Functions

md5	02f4cb339db7a0484685ab5895d66d60
sha1	711e09f652150e6cc409dbda5af4ab364f0779ce
sha256	20ae79ebe1f14174e1ad856fd0e025fa84ff6d51b181ef363d4c68fe9385fad5
sha512	677b00dc8e1d401d80ec063c12bea91807b599754b474e8bca2724a4eb5cb172c4eaf1cad83cf50b04c03f0653db0d032593f745276e0f0a723be28b1b6778c5
ripemd-160	c366d16f7181e4477867a9af4eae1600367eee8a

20161921 as geometric shapes

Circle

Radius = n

Diameter	40323842
Circumference	126681085.79172
Area	1.2770670219634E+15

Sphere

Radius = n

Volume	3.4330832544708E+22
Surface area	5.1082680878536E+15
Circumference	126681085.79172

Square

Length = n

Perimeter	80647684
Area	406503058410241
Diagonal	28513262.121695

Cube

Length = n

Surface area	2439018350461446
Volume	8.1958825499257E+21
Space diagonal	34921471.55019

Equilateral Triangle

Length = n

Perimeter	60485763
Area	1.7602098764967E+14
Altitude	17460735.775095

Triangular Pyramid

Length = n

Surface area	1.7602098764967E+14
Volume	9.6589402147682E+20
Height	9504420.7072316