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

20181394 (number)

20181394 is an even 8-digits composite number following 20181393 and preceding 20181395. In scientific notation, it is written as 2.0181394 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 10090696 positive integers (up to 20181394) that are relatively prime to 20181394.

Interesting facts

20181394 has 4 divisors, whose sum is 30272094
The reverse of 20181394 is 49318102
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1

Name

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

Notation

Scientific notation	2.0181394 × 10^7
Engineering notation	2.0181394 × 10^6

Prime Factorization of 20181394

Prime Factorization 2 × 10090697

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20181394	Product of the distinct prime numbers

The prime factorization of 20181394 is 2 × 10090697. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 9, 46, 52, 743, 105, 1974, 4162, 26593, 70335, 433690, 262817, 5250699, 4006050, 23446667, 73114321, 175827807, 396854145, 6134555325, 7391083566

Basic calculations (n = 20181394)

Multiplication

n×y

n×2	40362788
n×3	60544182
n×4	80725576
n×5	100906970

Division

n÷y

n÷2	10090697
n÷3	6727131.3333333
n÷3	5045348.5
n÷5	4036278.8

Exponentiation

n^y

n²	407288663783236
n³	8.219652995543E+21
n⁴	1.6588405564633E+29
n⁵	3.3477714853166E+36

Nth Root

^y√n

²√n	4492.370643658
³√n	272.25992490583
⁴√n	67.025149337081
⁵√n	28.906148685134

Divisors of 20181394

1, 2, 10090697, 20181394

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	-20181393	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 20181394 can be divided by 4 positive divisors. The sum of these divisors (counting 20181394) is 1, the average is 0.25.

Base conversion 20181394

Base	System	Value
2	Binary	1001100111111000110010010
3	Ternary	1101222022200001
4	Quaternary	1030333012102
5	Quinary	20131301034
6	Senary	2000320214
8	Octal	114770622
10	Decimal	20181394
12	Duodecimal	691306a
16	Hexadecimal	133f192
20	Vigesimal	662d9e
36	Base36	c0k2a

Cryptographic Hash Functions

md5	d9a0136d021be959f1f9a8efc9ac978d
sha1	9153a879ceffbdc652930c2e21e7a595335a6c3d
sha256	e8e63bbaf1d05c9569f46b683628627a29fca7ee1f892d52a6f9bd19a1337e5a
sha512	1de737b654ae204cbe46e2579110b1b0ce623ae640a1364fa9be1c3a447d280e9efaac78c8f4cc720d85e0bef7eca89ad3fd20faeb1aea835567c1b8c95461cb
ripemd-160	01afbeaccd9716b0b4c6852f159b5dd98170cc60

20181394 as geometric shapes

Circle

Radius = n

Diameter	40362788
Circumference	126803438.2592
Area	1.2795350740318E+15

Sphere

Radius = n

Volume	3.4430401954474E+22
Surface area	5.1181402961273E+15
Circumference	126803438.2592

Square

Length = n

Perimeter	80725576
Area	407288663783236
Diagonal	28540801.102395

Cube

Length = n

Surface area	2443731982699416
Volume	8.219652995543E+21
Space diagonal	34955199.775566

Equilateral Triangle

Length = n

Perimeter	60544182
Area	1.7636116475485E+14
Altitude	17477599.887783

Triangular Pyramid

Length = n

Surface area	1.7636116475485E+14
Volume	9.6869539535813E+20
Height	9513600.367465