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

18449945 (number)

18449945 is an odd 8-digits composite number following 18449944 and preceding 18449946. In scientific notation, it is written as 1.8449945 × 10^7. The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors. There are 14250880 positive integers (up to 18449945) that are relatively prime to 18449945.

Interesting facts

18449945 has 4 divisors, whose sum is 18577332
The reverse of 18449945 is 54994481
Previous prime number is 145

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8

Name

Name	eighteen million four hundred forty-nine thousand nine hundred forty-five

Notation

Scientific notation	1.8449945 × 10^7
Engineering notation	1.8449945 × 10^6

Prime Factorization of 18449945

Prime Factorization 145 × 127241

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	18449945	Product of the distinct prime numbers

The prime factorization of 18449945 is 145 × 127241. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 6, 46, 13, 515, 170, 5653, 5573, 5737, 35906, 138797, 75576, 3733639, 7404643, 29264596, 33556015, 166007567, 919797061, 9890988011, 9111733232

Basic calculations (n = 18449945)

Multiplication

n×y

n×2	36899890
n×3	55349835
n×4	73799780
n×5	92249725

Division

n÷y

n÷2	9224972.5
n÷3	6149981.6666667
n÷3	4612486.25
n÷5	3689989

Exponentiation

n^y

n²	340400470503025
n³	6.2803699587549E+21
n⁴	1.1587248031868E+29
n⁵	2.1378408888932E+36

Nth Root

^y√n

²√n	4295.3399167004
³√n	264.23987705523
⁴√n	65.538842808677
⁵√n	28.392198010448

Divisors of 18449945

1, 145, 127241, 18449945

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	-18449944	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 18449945 can be divided by 4 positive divisors. The sum of these divisors (counting 18449945) is 1, the average is 0.25.

Base conversion 18449945

Base	System	Value
2	Binary	1000110011000011000011001
3	Ternary	1021201100120022
4	Quaternary	1012120120121
5	Quinary	14210344240
6	Senary	1455240225
8	Octal	106303031
10	Decimal	18449945
12	Duodecimal	6219075
16	Hexadecimal	1198619
20	Vigesimal	5f64h5
36	Base36	azg2h

Cryptographic Hash Functions

md5	bc1220797b72d75172fc37508aec5581
sha1	8a3843e0c891760a0724e7ee525520a1e6104759
sha256	127b60a1793f55abe003bc2c82d5bc6fec1a7352420f9e3fd2b40d9ab4fae601
sha512	064627e4bcaf9fd4917d1248c46ce8d16ff771239fb583d65bac1d6a68cb84d62c544e96870f80b1f7a537375dd7eee444ea9aeaaae7c27d98cbb5cdab0ba876
ripemd-160	28368678ca6c5fb314a0bc63b8725d220a7dc2f5

18449945 as geometric shapes

Circle

Radius = n

Diameter	36899890
Circumference	115924423.34227
Area	1.0693996174108E+15

Sphere

Radius = n

Volume	2.6307152165667E+22
Surface area	4.2775984696432E+15
Circumference	115924423.34227

Square

Length = n

Perimeter	73799780
Area	340400470503025
Diagonal	26092162.444038

Cube

Length = n

Surface area	2042402823018150
Volume	6.2803699587549E+21
Space diagonal	31956242.136851

Equilateral Triangle

Length = n

Perimeter	55349835
Area	1.473977274579E+14
Altitude	15978121.068426

Triangular Pyramid

Length = n

Surface area	1.473977274579E+14
Volume	7.4014869769932E+20
Height	8697387.4813459