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

20389909 (number)

20389909 is an odd 8-digits composite number following 20389908 and preceding 20389910. In scientific notation, it is written as 2.0389909 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 19435680 positive integers (up to 20389909) that are relatively prime to 20389909.

Interesting facts

20389909 has 8 divisors, whose sum is 21363968
The reverse of 20389909 is 90998302
Previous prime number is 67

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4

Name

Name	twenty million three hundred eighty-nine thousand nine hundred nine

Notation

Scientific notation	2.0389909 × 10^7
Engineering notation	2.0389909 × 10^6

Prime Factorization of 20389909

Prime Factorization 31 × 67 × 9817

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20389909	Product of the distinct prime numbers

The prime factorization of 20389909 is 31 × 67 × 9817. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 6, 15, 93, 819, 143, 302, 2018, 22550, 10035, 480197, 292876, 2981351, 6128632, 7701820, 28518540, 29933571, 198094795, 5767915814, 8183126400

Basic calculations (n = 20389909)

Multiplication

n×y

n×2	40779818
n×3	61169727
n×4	81559636
n×5	101949545

Division

n÷y

n÷2	10194954.5
n÷3	6796636.3333333
n÷3	5097477.25
n÷5	4077981.8

Exponentiation

n^y

n²	415748389028281
n³	8.4770718191832E+21
n⁴	1.7284672297961E+29
n⁵	3.5243289525025E+36

Nth Root

^y√n

²√n	4515.5186855997
³√n	273.19438092378
⁴√n	67.197609225327
⁵√n	28.965635248957

Divisors of 20389909

1, 31, 67, 2077, 9817, 304327, 657739, 20389909

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	-20389908	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 20389909 can be divided by 8 positive divisors. The sum of these divisors (counting 20389909) is 1, the average is 0.125.

Base conversion 20389909

Base	System	Value
2	Binary	1001101110010000000010101
3	Ternary	1102100220200211
4	Quaternary	1031302000111
5	Quinary	20204434114
6	Senary	2005005421
8	Octal	115620025
10	Decimal	20389909
12	Duodecimal	69b3871
16	Hexadecimal	1372015
20	Vigesimal	678ef9
36	Base36	c50yd

Cryptographic Hash Functions

md5	a1e2f95a098781a4f07730e8ca399cff
sha1	32a99cd98a1d318b3c6da382e579674c2b4b546b
sha256	ef320fa2834781b1daa803e5c7699726f58eb79dcb5a74b0052c83134b251676
sha512	0d54f72b35e7cd0b516934dbeb485fe6628ccad5c071efdce4bff8bd5933c03867a08ff614ed364d81e41f57963cf864d5aed0c07d4150fdd3e286a7f9ef53c1
ripemd-160	83cb9959e228c0e25815dbbcc37a895c4ee1b0df

20389909 as geometric shapes

Circle

Radius = n

Diameter	40779818
Circumference	128113576.64353
Area	1.306112084713E+15

Sphere

Radius = n

Volume	3.5508675401466E+22
Surface area	5.2244483388522E+15
Circumference	128113576.64353

Square

Length = n

Perimeter	81559636
Area	415748389028281
Diagonal	28835685.843353

Cube

Length = n

Surface area	2494490334169686
Volume	8.4770718191832E+21
Space diagonal	35316358.349706

Equilateral Triangle

Length = n

Perimeter	61169727
Area	1.8002433324047E+14
Altitude	17658179.174853

Triangular Pyramid

Length = n

Surface area	1.8002433324047E+14
Volume	9.9903249465831E+20
Height	9611895.2811177