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

20731645 (number)

20731645 is an odd 8-digits composite number following 20731644 and preceding 20731646. In scientific notation, it is written as 2.0731645 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 14862400 positive integers (up to 20731645) that are relatively prime to 20731645.

Interesting facts

20731645 has 8 divisors, whose sum is 22684320
The reverse of 20731645 is 54613702
Previous prime number is 11

Basic properties

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

Name

Name	twenty million seven hundred thirty-one thousand six hundred forty-five

Notation

Scientific notation	2.0731645 × 10^7
Engineering notation	2.0731645 × 10^6

Prime Factorization of 20731645

Prime Factorization 355 × 11 × 5309

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20731645	Product of the distinct prime numbers

The prime factorization of 20731645 is 355 × 11 × 5309. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 1, 86, 93, 438, 756, 1224, 8736, 94752, 38511, 420854, 275528, 9797305, 7310389, 80196777, 9954634, 705086801, 167872919, 9141091966, 2205965447

Basic calculations (n = 20731645)

Multiplication

n×y

n×2	41463290
n×3	62194935
n×4	82926580
n×5	103658225

Division

n÷y

n÷2	10365822.5
n÷3	6910548.3333333
n÷3	5182911.25
n÷5	4146329

Exponentiation

n^y

n²	429801104406025
n³	8.9104839171536E+21
n⁴	1.8472898934864E+29
n⁵	3.8297358283848E+36

Nth Root

^y√n

²√n	4553.2016208378
³√n	274.71218372372
⁴√n	67.477415635439
⁵√n	29.062083933298

Divisors of 20731645

1, 11, 355, 3905, 5309, 58399, 1884695, 20731645

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	-20731644	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 20731645 can be divided by 8 positive divisors. The sum of these divisors (counting 20731645) is 1, the average is 0.125.

Base conversion 20731645

Base	System	Value
2	Binary	1001111000101011011111101
3	Ternary	1110000021110201
4	Quaternary	1033011123331
5	Quinary	20301403040
6	Senary	2020203501
8	Octal	117053375
10	Decimal	20731645
12	Duodecimal	6b39591
16	Hexadecimal	13c56fd
20	Vigesimal	69b925
36	Base36	cccn1

Cryptographic Hash Functions

md5	f59baeca34a4a799c9d9625fefcf5a16
sha1	3968f9b7a9b8c8a1f4fc21e72c03b12dd7a15e0f
sha256	252495a65b919cb3761ff4bbb70064eb11f490f3c36983666c6021c83ece7ef9
sha512	3f097c9fb97b1b9819093d14f507f541c372e0dc336f21ae37ecfdba18b8d6c17d73764a2e1607a6cfd2abc5c472a206965fb377763c70bed46ae8ef6ddffc8b
ripemd-160	1679612e5cf30891301f89f07cefcb52cdb66c5d

20731645 as geometric shapes

Circle

Radius = n

Diameter	41463290
Circumference	130260767.25766
Area	1.3502599921067E+15

Sphere

Radius = n

Volume	3.732414775208E+22
Surface area	5.401039968427E+15
Circumference	130260767.25766

Square

Length = n

Perimeter	82926580
Area	429801104406025
Diagonal	29318973.529304

Cube

Length = n

Surface area	2578806626436150
Volume	8.9104839171536E+21
Space diagonal	35908262.464481

Equilateral Triangle

Length = n

Perimeter	62194935
Area	1.8610933749511E+14
Altitude	17954131.232241

Triangular Pyramid

Length = n

Surface area	1.8610933749511E+14
Volume	1.0501106002455E+21
Height	9772991.1764348