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

1998921 (number)

1998921 is an odd 7-digits composite number following 1998920 and preceding 1998922. In scientific notation, it is written as 1.998921 × 10^6. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 1319472 positive integers (up to 1998921) that are relatively prime to 1998921.

Interesting facts

1998921 has 8 divisors, whose sum is 2691520
The reverse of 1998921 is 1298991
Previous prime number is 103

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 nine hundred twenty-one

Notation

Scientific notation	1.998921 × 10^6
Engineering notation	1.998921 × 10^6

Prime Factorization of 1998921

Prime Factorization 3 × 103 × 6469

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	1998921	Product of the distinct prime numbers

The prime factorization of 1998921 is 3 × 103 × 6469. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 9, 35, 3, 492, 813, 1051, 910, 86820, 85814, 761467, 721878, 8027533, 7128735, 25347213, 92340083, 688254186, 496595369, 5597319953, 5273539379

Basic calculations (n = 1998921)

Multiplication

n×y

n×2	3997842
n×3	5996763
n×4	7995684
n×5	9994605

Division

n÷y

n÷2	999460.5
n÷3	666307
n÷3	499730.25
n÷5	399784.2

Exponentiation

n^y

n²	3995685164241
n³	7987058984189783961
n⁴	1.5965499931736E+25
n⁵	3.1913773089045E+31

Nth Root

^y√n

²√n	1413.8320267981
³√n	125.96944333346
⁴√n	37.600957790967
⁵√n	18.203677217433

Divisors of 1998921

1, 3, 103, 309, 6469, 19407, 666307, 1998921

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	-1998920	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 1998921 can be divided by 8 positive divisors. The sum of these divisors (counting 1998921) is 1, the average is 0.125.

Base conversion 1998921

Base	System	Value
2	Binary	111101000000001001001
3	Ternary	10202120000010
4	Quaternary	13220001021
5	Quinary	1002431141
6	Senary	110502133
8	Octal	7500111
10	Decimal	1998921
12	Duodecimal	804949
16	Hexadecimal	1e8049
20	Vigesimal	c9h61
36	Base36	16udl

Cryptographic Hash Functions

md5	9ce3e11d236f57df453ba03150c2dfc3
sha1	eaa8dc413717fccdeb822b6a2e42eac6c96dde69
sha256	3d738a78cb20093b75ad07b69e935c868dc084e16ba437d661ca58c985d0931b
sha512	ac0ffe1a4fc7928147d6315942d53ed03b732463c0aaa99480373f6f29bd97bfc59f1544e1b3fae689b78d13c46917dbf9fa439e2352353f008eeffc362767ad
ripemd-160	a6e66d8b4c80cec8782caa708c4532c816c27c6f

1998921 as geometric shapes

Circle

Radius = n

Diameter	3997842
Circumference	12559591.057413
Area	12552815158037

Sphere

Radius = n

Volume	3.3456114438025E+19
Surface area	50211260632149
Circumference	12559591.057413

Square

Length = n

Perimeter	7995684
Area	3995685164241
Diagonal	2826901.1883124

Cube

Length = n

Surface area	23974110985446
Volume	7987058984189783961
Space diagonal	3462232.7323164

Equilateral Triangle

Length = n

Perimeter	5996763
Area	1730182428878.7
Altitude	1731116.3661582

Triangular Pyramid

Length = n

Surface area	1730182428878.7
Volume	9.4128392824292E+17
Height	942300.39610413