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

1998989 (number)

1998989 is an odd 7-digits composite number following 1998988 and preceding 1998990. In scientific notation, it is written as 1.998989 × 10^6. The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors. There are 1995840 positive integers (up to 1998989) that are relatively prime to 1998989.

Interesting facts

1998989 has 4 divisors, whose sum is 2002140
The reverse of 1998989 is 9898991
Previous prime number is 881

Basic properties

Is Prime? no
Number parity odd
Number length 7
Sum of Digits 53
Digital Root 8

Name

Name	one million nine hundred ninety-eight thousand nine hundred eighty-nine

Notation

Scientific notation	1.998989 × 10^6
Engineering notation	1.998989 × 10^6

Prime Factorization of 1998989

Prime Factorization 881 × 2269

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	1998989	Product of the distinct prime numbers

The prime factorization of 1998989 is 881 × 2269. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 9, 78, 33, 443, 99, 9652, 2607, 24195, 78618, 628919, 450839, 3608076, 4499829, 75871730, 76545597, 568154902, 80457241, 688811476, 3576263110

Basic calculations (n = 1998989)

Multiplication

n×y

n×2	3997978
n×3	5996967
n×4	7995956
n×5	9994945

Division

n÷y

n÷2	999494.5
n÷3	666329.66666667
n÷3	499747.25
n÷5	399797.8

Exponentiation

n^y

n²	3995957022121
n³	7987874131692635669
n⁴	1.5967672522638E+25
n⁵	3.1919201728356E+31

Nth Root

^y√n

²√n	1413.856074712
³√n	125.97087174159
⁴√n	37.601277567551
⁵√n	18.203801067571

Divisors of 1998989

1, 881, 2269, 1998989

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	-1998988	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 1998989 can be divided by 4 positive divisors. The sum of these divisors (counting 1998989) is 1, the average is 0.25.

Base conversion 1998989

Base	System	Value
2	Binary	111101000000010001101
3	Ternary	10202120002122
4	Quaternary	13220002031
5	Quinary	1002431424
6	Senary	110502325
8	Octal	7500215
10	Decimal	1998989
12	Duodecimal	8049a5
16	Hexadecimal	1e808d
20	Vigesimal	c9h99
36	Base36	16ufh

Cryptographic Hash Functions

md5	2abffa1dc12c70518c68b80877b7570b
sha1	e92dd174929bba4d8da4ef56ffb707cc061707ac
sha256	5ae8143bac69f419a28ad8807e45348899137606ac4ffa5d586bdc88b04a2ae9
sha512	8fdc3f15d72623c3f20c42602134372a243260c4fd4a72a5d5a60aad11686ffe890cea0410fa6716bed5f8b0096d2952c6cafb651f13c550df732d6db42f432f
ripemd-160	2d7273777d4fbde9858958a17f34c3dd9dc54f76

1998989 as geometric shapes

Circle

Radius = n

Diameter	3997978
Circumference	12560018.314014
Area	12553669224756

Sphere

Radius = n

Volume	3.3459528919901E+19
Surface area	50214676899024
Circumference	12560018.314014

Square

Length = n

Perimeter	7995956
Area	3995957022121
Diagonal	2826997.3548346

Cube

Length = n

Surface area	23975742132726
Volume	7987874131692635669
Space diagonal	3462350.5117713

Equilateral Triangle

Length = n

Perimeter	5996967
Area	1730300146793.8
Altitude	1731175.2558857

Triangular Pyramid

Length = n

Surface area	1730300146793.8
Volume	9.4137999429741E+17
Height	942332.45161154