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

20391749 (number)

20391749 is an odd 8-digits composite number following 20391748 and preceding 20391750. In scientific notation, it is written as 2.0391749 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 17106480 positive integers (up to 20391749) that are relatively prime to 20391749.

Interesting facts

20391749 has 8 divisors, whose sum is 23801088
The reverse of 20391749 is 94719302
Previous prime number is 47

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8

Name

Name	twenty million three hundred ninety-one thousand seven hundred forty-nine

Notation

Scientific notation	2.0391749 × 10^7
Engineering notation	2.0391749 × 10^6

Prime Factorization of 20391749

Prime Factorization 7 × 47 × 61981

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20391749	Product of the distinct prime numbers

The prime factorization of 20391749 is 7 × 47 × 61981. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 10, 77, 82, 643, 619, 2530, 9198, 42651, 10880, 155857, 92601, 6371940, 9732280, 50194097, 90451110, 529588023, 445362266, 179529784, 5699002663

Basic calculations (n = 20391749)

Multiplication

n×y

n×2	40783498
n×3	61175247
n×4	81566996
n×5	101958745

Division

n÷y

n÷2	10195874.5
n÷3	6797249.6666667
n÷3	5097937.25
n÷5	4078349.8

Exponentiation

n^y

n²	415823427279001
n³	8.4793669573931E+21
n⁴	1.7290912267405E+29
n⁵	3.5259194293795E+36

Nth Root

^y√n

²√n	4515.7224228245
³√n	273.20259842884
⁴√n	67.199125164131
⁵√n	28.966158006024

Divisors of 20391749

1, 7, 47, 329, 61981, 433867, 2913107, 20391749

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	-20391748	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 20391749 can be divided by 8 positive divisors. The sum of these divisors (counting 20391749) is 1, the average is 0.125.

Base conversion 20391749

Base	System	Value
2	Binary	1001101110010011101000101
3	Ternary	1102101000012222
4	Quaternary	1031302131011
5	Quinary	20210013444
6	Senary	2005022125
8	Octal	115623505
10	Decimal	20391749
12	Duodecimal	69b4945
16	Hexadecimal	1372745
20	Vigesimal	678j79
36	Base36	c52dh

Cryptographic Hash Functions

md5	3eb2175fc0ae4332088fdb7633273c30
sha1	9286f8875f8eba4ba7fb3cedb0f86fb12265b0f4
sha256	ac2be0faa7951ffa5d289d8e8c2540ff9aec6b000af5b97be5ec7a9f8b6a3d9f
sha512	126d022c3fa25ecfbe400e905f4ff47bd50d781609d57cc6d7a95fc78e3feca11f6c6d64ee83bcaeff55383af0ba9ca3b6c6bd3eee8f215db29c6719b2180e83
ripemd-160	ebb1ee07f40efc2e2e1b043284622c5197383972

20391749 as geometric shapes

Circle

Radius = n

Diameter	40783498
Circumference	128125137.70449
Area	1.3063478243302E+15

Sphere

Radius = n

Volume	3.5518289253918E+22
Surface area	5.225391297321E+15
Circumference	128125137.70449

Square

Length = n

Perimeter	81566996
Area	415823427279001
Diagonal	28838287.996308

Cube

Length = n

Surface area	2494940563674006
Volume	8.4793669573931E+21
Space diagonal	35319545.323192

Equilateral Triangle

Length = n

Perimeter	61175247
Area	1.8005682575616E+14
Altitude	17659772.661596

Triangular Pyramid

Length = n

Surface area	1.8005682575616E+14
Volume	9.9930297929031E+20
Height	9612762.665436