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

20389918 (number)

20389918 is an even 8-digits composite number following 20389917 and preceding 20389919. In scientific notation, it is written as 2.0389918 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 10194958 positive integers (up to 20389918) that are relatively prime to 20389918.

Interesting facts

20389918 has 4 divisors, whose sum is 30584880
The reverse of 20389918 is 81998302
Previous prime number is 2

Basic properties

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

Name

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

Notation

Scientific notation	2.0389918 × 10^7
Engineering notation	2.0389918 × 10^6

Prime Factorization of 20389918

Prime Factorization 2 × 10194959

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20389918	Product of the distinct prime numbers

The prime factorization of 20389918 is 2 × 10194959. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 3, 68, 32, 276, 562, 2405, 9156, 51720, 95877, 297454, 299691, 3189233, 32294, 36526560, 25757063, 508099032, 82187402, 4275861800, 6546775280

Basic calculations (n = 20389918)

Multiplication

n×y

n×2	40779836
n×3	61169754
n×4	81559672
n×5	101949590

Division

n÷y

n÷2	10194959
n÷3	6796639.3333333
n÷3	5097479.5
n÷5	4077983.6

Exponentiation

n^y

n²	415748756046724
n³	8.4770830443947E+21
n⁴	1.728470281544E+29
n⁵	3.5243367306119E+36

Nth Root

^y√n

²√n	4515.5196821628
³√n	273.1944211193
⁴√n	67.197616640494
⁵√n	28.965637806013

Divisors of 20389918

1, 2, 10194959, 20389918

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	-20389917	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 20389918 can be divided by 4 positive divisors. The sum of these divisors (counting 20389918) is 1, the average is 0.25.

Base conversion 20389918

Base	System	Value
2	Binary	1001101110010000000011110
3	Ternary	1102100220201011
4	Quaternary	1031302000132
5	Quinary	20204434133
6	Senary	2005005434
8	Octal	115620036
10	Decimal	20389918
12	Duodecimal	69b387a
16	Hexadecimal	137201e
20	Vigesimal	678efi
36	Base36	c50ym

Cryptographic Hash Functions

md5	fe04c52226d1114d75cb371818d24e3b
sha1	c76373ab2d39b39860b93046a992c271133cbf0d
sha256	8c47470dcfaff16976365c43c2b0018832070ae0ffc34695ac6690275327b508
sha512	ba1394cbcf52a4167271a6e07c97d80a659ca6ade395a1ba1a78432d9d2ab44e01819b8f78f8b0b39edb47ff5587bacaf218404a1a3ffdf1d4db4b7f474869e1
ripemd-160	6d3c13918ac82e5301f4597da62b3fc1559d7b21

20389918 as geometric shapes

Circle

Radius = n

Diameter	40779836
Circumference	128113633.1922
Area	1.3061132377355E+15

Sphere

Radius = n

Volume	3.5508722421521E+22
Surface area	5.2244529509419E+15
Circumference	128113633.1922

Square

Length = n

Perimeter	81559672
Area	415748756046724
Diagonal	28835698.571275

Cube

Length = n

Surface area	2494492536280344
Volume	8.4770830443947E+21
Space diagonal	35316373.938163

Equilateral Triangle

Length = n

Perimeter	61169754
Area	1.8002449216412E+14
Altitude	17658186.969082

Triangular Pyramid

Length = n

Surface area	1.8002449216412E+14
Volume	9.9903381756217E+20
Height	9611899.5237584