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

20389942 (number)

20389942 is an even 8-digits composite number following 20389941 and preceding 20389943. In scientific notation, it is written as 2.0389942 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 10194970 positive integers (up to 20389942) that are relatively prime to 20389942.

Interesting facts

20389942 has 4 divisors, whose sum is 30584916
The reverse of 20389942 is 24998302
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1

Name

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

Notation

Scientific notation	2.0389942 × 10^7
Engineering notation	2.0389942 × 10^6

Prime Factorization of 20389942

Prime Factorization 2 × 10194971

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20389942	Product of the distinct prime numbers

The prime factorization of 20389942 is 2 × 10194971. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 3, 100, 37, 714, 58, 5729, 1020, 10054, 86374, 374513, 296028, 481021, 5532356, 46188620, 52473105, 612564208, 153060916, 8095631327, 7021160262

Basic calculations (n = 20389942)

Multiplication

n×y

n×2	40779884
n×3	61169826
n×4	81559768
n×5	101949710

Division

n÷y

n÷2	10194971
n÷3	6796647.3333333
n÷3	5097485.5
n÷5	4077988.4

Exponentiation

n^y

n²	415749734763364
n³	8.4771129783404E+21
n⁴	1.7284784195581E+29
n⁵	3.5243574723041E+36

Nth Root

^y√n

²√n	4515.5223396635
³√n	273.1945283073
⁴√n	67.197636414263
⁵√n	28.965644624824

Divisors of 20389942

1, 2, 10194971, 20389942

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	-20389941	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 20389942 can be divided by 4 positive divisors. The sum of these divisors (counting 20389942) is 1, the average is 0.25.

Base conversion 20389942

Base	System	Value
2	Binary	1001101110010000000110110
3	Ternary	1102100220202001
4	Quaternary	1031302000312
5	Quinary	20204434232
6	Senary	2005005514
8	Octal	115620066
10	Decimal	20389942
12	Duodecimal	69b389a
16	Hexadecimal	1372036
20	Vigesimal	678eh2
36	Base36	c50za

Cryptographic Hash Functions

md5	8b9cccb4cfc33b4bccdf569fa8858e39
sha1	6afbf4095a16d9b98bfb4f7cea76c9268ee238e5
sha256	6548bae92aab8e08441270f7c60707c57c10d41dd972dc9f1a71a4251254ebbb
sha512	b57ef5dc4635486a5d3df06608546a03d8b9bbe3e57c3b1c175a440a024e72d908fa7ff050c1ccc46da5bbcacd448c8ffb485437b18f3eb9f71348cd3669f038
ripemd-160	72b8fdcef8a2e028c356beb05bd76254d63a9f92

20389942 as geometric shapes

Circle

Radius = n

Diameter	40779884
Circumference	128113783.98864
Area	1.3061163124645E+15

Sphere

Radius = n

Volume	3.550884780854E+22
Surface area	5.224465249858E+15
Circumference	128113783.98864

Square

Length = n

Perimeter	81559768
Area	415749734763364
Diagonal	28835732.512401

Cube

Length = n

Surface area	2494498408580184
Volume	8.4771129783404E+21
Space diagonal	35316415.507383

Equilateral Triangle

Length = n

Perimeter	61169826
Area	1.8002491596086E+14
Altitude	17658207.753691

Triangular Pyramid

Length = n

Surface area	1.8002491596086E+14
Volume	9.990373453115E+20
Height	9611910.8374669