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

1998561 (number)

1998561 is an odd 7-digits composite number following 1998560 and preceding 1998562. In scientific notation, it is written as 1.998561 × 10^6. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 1332372 positive integers (up to 1998561) that are relatively prime to 1998561.

Interesting facts

1998561 has 4 divisors, whose sum is 2664752
The reverse of 1998561 is 1658991
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 7
Sum of Digits 39
Digital Root 3

Name

Name	one million nine hundred ninety-eight thousand five hundred sixty-one

Notation

Scientific notation	1.998561 × 10^6
Engineering notation	1.998561 × 10^6

Prime Factorization of 1998561

Prime Factorization 3 × 666187

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	1998561	Product of the distinct prime numbers

The prime factorization of 1998561 is 3 × 666187. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 1, 15, 46, 654, 954, 2389, 3366, 86378, 69193, 265892, 436393, 7572589, 4534941, 97233000, 48417227, 773865386, 940231410, 8055946001, 218044039

Basic calculations (n = 1998561)

Multiplication

n×y

n×2	3997122
n×3	5995683
n×4	7994244
n×5	9992805

Division

n÷y

n÷2	999280.5
n÷3	666187
n÷3	499640.25
n÷5	399712.2

Exponentiation

n^y

n²	3994246070721
n³	7982744421346232481
n⁴	1.595400167347E+25
n⁵	3.1885045538532E+31

Nth Root

^y√n

²√n	1413.7047074973
³√n	125.96188063301
⁴√n	37.599264720168
⁵√n	18.203021484071

Divisors of 1998561

1, 3, 666187, 1998561

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	-1998560	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 1998561 can be divided by 4 positive divisors. The sum of these divisors (counting 1998561) is 1, the average is 0.25.

Base conversion 1998561

Base	System	Value
2	Binary	111100111111011100001
3	Ternary	10202112111210
4	Quaternary	13213323201
5	Quinary	1002423221
6	Senary	110500333
8	Octal	7477341
10	Decimal	1998561
12	Duodecimal	8046a9
16	Hexadecimal	1e7ee1
20	Vigesimal	c9g81
36	Base36	16u3l

Cryptographic Hash Functions

md5	ea1244b50571dccce8eebf3e97c30e8d
sha1	032b4e01fad680cc51de27421c571eb991b34733
sha256	711d83104eb86ba4a608c64632c5a23f0bbb6acb99ff6f4282c9a82d5a344d06
sha512	b7d38e4b6baf8c96538f7fb35fc5b7afb999c426b09f3f130da02012a2d924d8830cb4cac95346d0192533796e653d55e83b35eed49f84fc35b3e3fecf7e9948
ripemd-160	9f00c12394c7f87dd789847eb3628fd1c2e7cfe4

1998561 as geometric shapes

Circle

Radius = n

Diameter	3997122
Circumference	12557329.110702
Area	12548294112407

Sphere

Radius = n

Volume	3.3438041639448E+19
Surface area	50193176449628
Circumference	12557329.110702

Square

Length = n

Perimeter	7994244
Area	3994246070721
Diagonal	2826392.0714299

Cube

Length = n

Surface area	23965476424326
Volume	7982744421346232481
Space diagonal	3461609.1940257

Equilateral Triangle

Length = n

Perimeter	5995683
Area	1729559283105.3
Altitude	1730804.5970128

Triangular Pyramid

Length = n

Surface area	1729559283105.3
Volume	9.407754521355E+17
Height	942130.69047665