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

1998638 (number)

1998638 is an even 7-digits composite number following 1998637 and preceding 1998639. In scientific notation, it is written as 1.998638 × 10^6. The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors. There are 997120 positive integers (up to 1998638) that are relatively prime to 1998638.

Interesting facts

1998638 has 8 divisors, whose sum is 3004560
The reverse of 1998638 is 8368991
Previous prime number is 641

Basic properties

Is Prime? no
Number parity even
Number length 7
Sum of Digits 44
Digital Root 8

Name

Name	one million nine hundred ninety-eight thousand six hundred thirty-eight

Notation

Scientific notation	1.998638 × 10^6
Engineering notation	1.998638 × 10^6

Prime Factorization of 1998638

Prime Factorization 2 × 641 × 1559

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	1998638	Product of the distinct prime numbers

The prime factorization of 1998638 is 2 × 641 × 1559. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 8, 36, 33, 137, 137, 1223, 8307, 34258, 38058, 958138, 796250, 6703447, 7581845, 65948901, 95335205, 14245892, 722453428, 6213655586, 3633440271

Basic calculations (n = 1998638)

Multiplication

n×y

n×2	3997276
n×3	5995914
n×4	7994552
n×5	9993190

Division

n÷y

n÷2	999319
n÷3	666212.66666667
n÷3	499659.5
n÷5	399727.6

Exponentiation

n^y

n²	3994553855044
n³	7983667127737430072
n⁴	1.5956460500847E+25
n⁵	3.1891188302492E+31

Nth Root

^y√n

²√n	1413.731940645
³√n	125.96349828695
⁴√n	37.599626868428
⁵√n	18.203161746095

Divisors of 1998638

1, 2, 641, 1282, 1559, 3118, 999319, 1998638

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	-1998637	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 1998638 can be divided by 8 positive divisors. The sum of these divisors (counting 1998638) is 1, the average is 0.125.

Base conversion 1998638

Base	System	Value
2	Binary	111100111111100101110
3	Ternary	10202112121122
4	Quaternary	13213330232
5	Quinary	1002424023
6	Senary	110500542
8	Octal	7477456
10	Decimal	1998638
12	Duodecimal	804752
16	Hexadecimal	1e7f2e
20	Vigesimal	c9gbi
36	Base36	16u5q

Cryptographic Hash Functions

md5	6e6be0cf6f437248d213744c47832327
sha1	32faa455d9d089db5648660bf2687e8883fa55e0
sha256	80dab9ae84b2a7399be50ca47a13023cd7cf68f0de2a769e62aeae035ab371e9
sha512	cd9c3a2ef91348e7c8e4c07488c9b5419176c7498dd5d022eea814ccf6c9f502f7161f2ada867477c3798e5f07cf6c1ebb5d4281d07cd742649a86e03ff387f6
ripemd-160	9e4edd3daa629478d7f21786c4696ed031bc18cd

1998638 as geometric shapes

Circle

Radius = n

Diameter	3997276
Circumference	12557812.915971
Area	12549261045375

Sphere

Radius = n

Volume	3.3441906662942E+19
Surface area	50197044181500
Circumference	12557812.915971

Square

Length = n

Perimeter	7994552
Area	3994553855044
Diagonal	2826500.9658742

Cube

Length = n

Surface area	23967323130264
Volume	7983667127737430072
Space diagonal	3461742.5619378

Equilateral Triangle

Length = n

Perimeter	5995914
Area	1729692557626.6
Altitude	1730871.2809689

Triangular Pyramid

Length = n

Surface area	1729692557626.6
Volume	9.4088419412654E+17
Height	942166.98862475