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

21490186 (number)

21490186 is an even 8-digits composite number following 21490185 and preceding 21490187. In scientific notation, it is written as 2.1490186 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 10516428 positive integers (up to 21490186) that are relatively prime to 21490186.

Interesting facts

21490186 has 8 divisors, whose sum is 32921280
The reverse of 21490186 is 68109412
Previous prime number is 47

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4

Name

Name	twenty-one million four hundred ninety thousand one hundred eighty-six

Notation

Scientific notation	2.1490186 × 10^7
Engineering notation	2.1490186 × 10^6

Prime Factorization of 21490186

Prime Factorization 2 × 47 × 228619

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21490186	Product of the distinct prime numbers

The prime factorization of 21490186 is 2 × 47 × 228619. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 9, 10, 37, 86, 850, 3818, 2479, 19522, 89077, 618176, 749632, 3274353, 6580940, 86116360, 21569828, 299425029, 190449702, 1829959755, 9876030845

Basic calculations (n = 21490186)

Multiplication

n×y

n×2	42980372
n×3	64470558
n×4	85960744
n×5	107450930

Division

n÷y

n÷2	10745093
n÷3	7163395.3333333
n÷3	5372546.5
n÷5	4298037.2

Exponentiation

n^y

n²	461828094314596
n³	9.9247716468462E+21
n⁴	2.1328518869825E+29
n⁵	4.5835383761705E+36

Nth Root

^y√n

²√n	4635.7508561181
³√n	278.02257291304
⁴√n	68.086348529776
⁵√n	29.271706023864

Divisors of 21490186

1, 2, 47, 94, 228619, 457238, 10745093, 21490186

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	-21490185	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 21490186 can be divided by 8 positive divisors. The sum of these divisors (counting 21490186) is 1, the average is 0.125.

Base conversion 21490186

Base	System	Value
2	Binary	1010001111110101000001010
3	Ternary	1111102210222211
4	Quaternary	1101332220022
5	Quinary	21000141221
6	Senary	2044335334
8	Octal	121765012
10	Decimal	21490186
12	Duodecimal	724454a
16	Hexadecimal	147ea0a
20	Vigesimal	6e6596
36	Base36	cslxm

Cryptographic Hash Functions

md5	93217784dd3621d0d09ef267c4ffab30
sha1	d16f9bae270eaaabeef3718e687f4bbf1b84a239
sha256	2564cbc6ff0df927df2253d87fe3620725f8499e630e69034c447fdbd4a8a888
sha512	68ea9a9cdb7f314eff677547e1b39eb04c10715228507542e976d24848a006b8c5d2ef38a906d56608d9156b102f13656afb1c6b6f49d93254747322974f786a
ripemd-160	0468623f334ebd1df4b34b8803784bb959bb2dfe

21490186 as geometric shapes

Circle

Radius = n

Diameter	42980372
Circumference	135026820.92376
Area	1.4508757483201E+15

Sphere

Radius = n

Volume	4.1572786259051E+22
Surface area	5.8035029932804E+15
Circumference	135026820.92376

Square

Length = n

Perimeter	85960744
Area	461828094314596
Diagonal	30391712.49912

Cube

Length = n

Surface area	2770968565887576
Volume	9.9247716468462E+21
Space diagonal	37222094.016105

Equilateral Triangle

Length = n

Perimeter	64470558
Area	1.999774309289E+14
Altitude	18611047.008053

Triangular Pyramid

Length = n

Surface area	1.999774309289E+14
Volume	1.1696455555355E+21
Height	10130570.83304