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

20685749 (number)

20685749 is an odd 8-digits composite number following 20685748 and preceding 20685750. In scientific notation, it is written as 2.0685749 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 17730636 positive integers (up to 20685749) that are relatively prime to 20685749.

Interesting facts

20685749 has 4 divisors, whose sum is 23640864
The reverse of 20685749 is 94758602
Previous prime number is 7

Basic properties

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

Name

Name	twenty million six hundred eighty-five thousand seven hundred forty-nine

Notation

Scientific notation	2.0685749 × 10^7
Engineering notation	2.0685749 × 10^6

Prime Factorization of 20685749

Prime Factorization 7 × 2955107

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20685749	Product of the distinct prime numbers

The prime factorization of 20685749 is 7 × 2955107. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 4, 37, 7, 73, 456, 6014, 6479, 99218, 36139, 709750, 21011, 2424282, 8274464, 10114432, 35719227, 56869148, 79612361, 408850993, 1615016856

Basic calculations (n = 20685749)

Multiplication

n×y

n×2	41371498
n×3	62057247
n×4	82742996
n×5	103428745

Division

n÷y

n÷2	10342874.5
n÷3	6895249.6666667
n÷3	5171437.25
n÷5	4137149.8

Exponentiation

n^y

n²	427900211691001
n³	8.8514363760869E+21
n⁴	1.830985911652E+29
n⁵	3.787531499097E+36

Nth Root

^y√n

²√n	4548.1588582634
³√n	274.50931341112
⁴√n	67.440038984741
⁵√n	29.049204915555

Divisors of 20685749

1, 7, 2955107, 20685749

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	-20685748	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 20685749 can be divided by 4 positive divisors. The sum of these divisors (counting 20685749) is 1, the average is 0.25.

Base conversion 20685749

Base	System	Value
2	Binary	1001110111010001110110101
3	Ternary	1102220221111212
4	Quaternary	1032322032311
5	Quinary	20243420444
6	Senary	2015211205
8	Octal	116721665
10	Decimal	20685749
12	Duodecimal	6b16b05
16	Hexadecimal	13ba3b5
20	Vigesimal	695e79
36	Base36	cbd85

Cryptographic Hash Functions

md5	879d604856c3fbedc77751b6e8fb4098
sha1	93a4542ac30a0adaf10df94d2bc36caf95e10388
sha256	6d9d0ec18974c8ae951c67ce636fcc57691c7794be1e662b2104bdb8bbe14f99
sha512	2da807cbe8ad41e5ca91cf016e1f992e0fc6ed52c36973d23c8f47f45c5f023cbf83d431643f5a8af5b8992b062e2cf284f518bf99550d19c638652d4a3eb519
ripemd-160	9da9e42c8d295d8f4b1ffb784789f2edd8ec621c

20685749 as geometric shapes

Circle

Radius = n

Diameter	41371498
Circumference	129972394.1848
Area	1.344288161518E+15

Sphere

Radius = n

Volume	3.7076809990443E+22
Surface area	5.3771526460719E+15
Circumference	129972394.1848

Square

Length = n

Perimeter	82742996
Area	427900211691001
Diagonal	29254066.783646

Cube

Length = n

Surface area	2567401270146006
Volume	8.8514363760869E+21
Space diagonal	35828768.260617

Equilateral Triangle

Length = n

Perimeter	62057247
Area	1.8528622680457E+14
Altitude	17914384.130309

Triangular Pyramid

Length = n

Surface area	1.8528622680457E+14
Volume	1.0431517807954E+21
Height	9751355.5945486