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

20189721 (number)

20189721 is an odd 8-digits composite number following 20189720 and preceding 20189722. In scientific notation, it is written as 2.0189721 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 13408112 positive integers (up to 20189721) that are relatively prime to 20189721.

Interesting facts

20189721 has 8 divisors, whose sum is 27023040
The reverse of 20189721 is 12798102
Previous prime number is 263

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3

Name

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

Notation

Scientific notation	2.0189721 × 10^7
Engineering notation	2.0189721 × 10^6

Prime Factorization of 20189721

Prime Factorization 3 × 263 × 25589

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20189721	Product of the distinct prime numbers

The prime factorization of 20189721 is 3 × 263 × 25589. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 5, 46, 36, 746, 835, 3481, 1058, 24103, 14582, 876039, 733803, 4449982, 7578793, 86435902, 96365054, 226553152, 94724757, 902560208, 8758076135

Basic calculations (n = 20189721)

Multiplication

n×y

n×2	40379442
n×3	60569163
n×4	80758884
n×5	100948605

Division

n÷y

n÷2	10094860.5
n÷3	6729907
n÷3	5047430.25
n÷5	4037944.2

Exponentiation

n^y

n²	407624834057841
n³	8.2298316722991E+21
n⁴	1.6615800534068E+29
n⁵	3.3546837697449E+36

Nth Root

^y√n

²√n	4493.2973415967
³√n	272.29736527718
⁴√n	67.032062041956
⁵√n	28.908533671858

Divisors of 20189721

1, 3, 263, 789, 25589, 76767, 6729907, 20189721

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	-20189720	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 20189721 can be divided by 8 positive divisors. The sum of these divisors (counting 20189721) is 1, the average is 0.125.

Base conversion 20189721

Base	System	Value
2	Binary	1001101000001001000011001
3	Ternary	1101222202002110
4	Quaternary	1031001020121
5	Quinary	20132032341
6	Senary	2000422533
8	Octal	115011031
10	Decimal	20189721
12	Duodecimal	6917a49
16	Hexadecimal	1341219
20	Vigesimal	663e61
36	Base36	c0qhl

Cryptographic Hash Functions

md5	a16257546346347e4b89e77457bd8e1c
sha1	8e6573da8fb97f98208c7a25d032f0f52f93735c
sha256	4f5021b0ce8a93dd19231a428226f4fbf8460ea13d087962e3844eeeb70f8dea
sha512	ffa38acfd3933af6c6f0e24426bffe2e3ba7a578092e5a6df2cef97b65ccd361ce7ae26d5be95dd4f90e1362863eb06e0ced0a74bf469c1e3d56012c3db1931d
ripemd-160	e7c5661ce45d2b2fe0a4084e624685a60efc919b

20189721 as geometric shapes

Circle

Radius = n

Diameter	40379442
Circumference	126855758.34326
Area	1.2805911840969E+15

Sphere

Radius = n

Volume	3.4473038295967E+22
Surface area	5.1223647363875E+15
Circumference	126855758.34326

Square

Length = n

Perimeter	80758884
Area	407624834057841
Diagonal	28552577.258729

Cube

Length = n

Surface area	2445749004347046
Volume	8.2298316722991E+21
Space diagonal	34969622.56264

Equilateral Triangle

Length = n

Perimeter	60569163
Area	1.7650673075375E+14
Altitude	17484811.28132

Triangular Pyramid

Length = n

Surface area	1.7650673075375E+14
Volume	9.6989496391775E+20
Height	9517525.7529096