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

20491388 (number)

20491388 is an even 8-digits composite number following 20491387 and preceding 20491389. In scientific notation, it is written as 2.0491388 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 6 positive divisors. There are 10245692 positive integers (up to 20491388) that are relatively prime to 20491388.

Interesting facts

20491388 has 6 divisors, whose sum is 35859936
The reverse of 20491388 is 88319402
Previous prime number is 2

Basic properties

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

Name

Name	twenty million four hundred ninety-one thousand three hundred eighty-eight

Notation

Scientific notation	2.0491388 × 10^7
Engineering notation	2.0491388 × 10^6

Prime Factorization of 20491388

Prime Factorization 2 × 2 × 5122847

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	10245694	Product of the distinct prime numbers

The prime factorization of 20491388 is 2 × 2 × 5122847. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 1, 53, 9, 462, 940, 4284, 1428, 94761, 60114, 430195, 121847, 2547883, 6550943, 90711453, 14142067, 796474330, 18974997, 4042418142, 1243437472

Basic calculations (n = 20491388)

Multiplication

n×y

n×2	40982776
n×3	61474164
n×4	81965552
n×5	102456940

Division

n÷y

n÷2	10245694
n÷3	6830462.6666667
n÷3	5122847
n÷5	4098277.6

Exponentiation

n^y

n²	419896982166544
n³	8.6042719816037E+21
n⁴	1.7631347563257E+29
n⁵	3.6129078388156E+36

Nth Root

^y√n

²√n	4526.7414328632
³√n	273.64685354589
⁴√n	67.281062958779
⁵√n	28.994409967264

Divisors of 20491388

1, 2, 4, 5122847, 10245694, 20491388

6 divisors

τ	Total Divisors	6	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20491387	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.16666666666667	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	6	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20491388 can be divided by 6 positive divisors. The sum of these divisors (counting 20491388) is 1, the average is 0.16666666666667.

Base conversion 20491388

Base	System	Value
2	Binary	1001110001010110001111100
3	Ternary	1102120001220022
4	Quaternary	1032022301330
5	Quinary	20221211023
6	Senary	2011111312
8	Octal	116126174
10	Decimal	20491388
12	Duodecimal	6a42538
16	Hexadecimal	138ac7c
20	Vigesimal	681898
36	Base36	c7798

Cryptographic Hash Functions

md5	6ced231d28e5ad6ba2f0ce20879533d0
sha1	5ca21e807ffd964d085a10699f9a873e18747d0f
sha256	52f6b825c4c18dc0caca5f6922cacffc4d26b776a050e3ac237c109e9fed5b38
sha512	1f6c3f3ffb4d4daa74f81cac921e9312fefd203ffd30f9b6bbd73c5eb882a54395bccaed8bcce5570607c6fbce6f774f98d2ceb12888dca7a6db7250310e401e
ripemd-160	9c97d233b4eaca98884113dad33d916702d1658c

20491388 as geometric shapes

Circle

Radius = n

Diameter	40982776
Circumference	128751188.00532
Area	1.3191452744389E+15

Sphere

Radius = n

Volume	3.604149019586E+22
Surface area	5.2765810977558E+15
Circumference	128751188.00532

Square

Length = n

Perimeter	81965552
Area	419896982166544
Diagonal	28979198.821449

Cube

Length = n

Surface area	2519381892999264
Volume	8.6042719816037E+21
Space diagonal	35492125.133607

Equilateral Triangle

Length = n

Perimeter	61474164
Area	1.8182072676432E+14
Altitude	17746062.566804

Triangular Pyramid

Length = n

Surface area	1.8182072676432E+14
Volume	1.0140231775609E+21
Height	9659732.9404831