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

18390971 (number)

18390971 is an odd 8-digits composite number following 18390970 and preceding 18390972. In scientific notation, it is written as 1.8390971 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 17869320 positive integers (up to 18390971) that are relatively prime to 18390971.

Interesting facts

18390971 has 8 divisors, whose sum is 18917184
The reverse of 18390971 is 17909381
Previous prime number is 211

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2

Name

Name	eighteen million three hundred ninety thousand nine hundred seventy-one

Notation

Scientific notation	1.8390971 × 10^7
Engineering notation	1.8390971 × 10^6

Prime Factorization of 18390971

Prime Factorization 43 × 211 × 2027

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	18390971	Product of the distinct prime numbers

The prime factorization of 18390971 is 43 × 211 × 2027. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 5, 2, 14, 283, 938, 5875, 5111, 87760, 52719, 427832, 150818, 9158045, 7893107, 61787322, 10466405, 321418089, 785356821, 3102218492, 7757117534

Basic calculations (n = 18390971)

Multiplication

n×y

n×2	36781942
n×3	55172913
n×4	73563884
n×5	91954855

Division

n÷y

n÷2	9195485.5
n÷3	6130323.6666667
n÷3	4597742.75
n÷5	3678194.2

Exponentiation

n^y

n²	338227814322841
n³	6.2203379246048E+21
n⁴	1.1439805438161E+29
n⁵	2.1038913005885E+36

Nth Root

^y√n

²√n	4288.4695405238
³√n	263.95803491979
⁴√n	65.486407295894
⁵√n	28.374024011069

Divisors of 18390971

1, 43, 211, 2027, 9073, 87161, 427697, 18390971

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	-18390970	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 18390971 can be divided by 8 positive divisors. The sum of these divisors (counting 18390971) is 1, the average is 0.125.

Base conversion 18390971

Base	System	Value
2	Binary	1000110001001111110111011
3	Ternary	1021121100200002
4	Quaternary	1012021332323
5	Quinary	14202002341
6	Senary	1454103215
8	Octal	106117673
10	Decimal	18390971
12	Duodecimal	61aab0b
16	Hexadecimal	1189fbb
20	Vigesimal	5eih8b
36	Base36	ay6kb

Cryptographic Hash Functions

md5	ceee3c860d06554c94d40b34597b44a7
sha1	15e4b8af6a617d316d4522dbfdfef6413a17c29b
sha256	b84de2d7787d7731403c07672d75403ff73cdbb317f9598fa5654a8855bbd3c7
sha512	b17778a6865e271bc729ec1824b64c98f3da3704359a76abc887931edf7d77369a85d6b271a41341fcd261d1686d8827dc86922e61e912c6160e32312cca2989
ripemd-160	337b97a5879714fa7d25e6edc02a68da4ec64d15

18390971 as geometric shapes

Circle

Radius = n

Diameter	36781942
Circumference	115553878.77197
Area	1.0625740167164E+15

Sphere

Radius = n

Volume	2.6055690569046E+22
Surface area	4.2502960668655E+15
Circumference	115553878.77197

Square

Length = n

Perimeter	73563884
Area	338227814322841
Diagonal	26008760.61341

Cube

Length = n

Surface area	2029366885937046
Volume	6.2203379246048E+21
Space diagonal	31854096.172526

Equilateral Triangle

Length = n

Perimeter	55172913
Area	1.4645693973503E+14
Altitude	15927048.086263

Triangular Pyramid

Length = n

Surface area	1.4645693973503E+14
Volume	7.3307385462665E+20
Height	8669586.8711368