1998491 (number)

1998491 is an odd 7-digits composite number following 1998490 and preceding 1998492. In scientific notation, it is written as 1.998491 × 10^6. The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors. There are 1797120 positive integers (up to 1998491) that are relatively prime to 1998491.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.998491 × 10^6
Engineering notation 1.998491 × 10^6

Prime Factorization of 1998491

Prime Factorization 11 × 97 × 1873

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 1998491
Product of the distinct prime numbers

The prime factorization of 1998491 is 11 × 97 × 1873. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1998491)

Multiplication

n×y
n×2 3996982
n×3 5995473
n×4 7993964
n×5 9992455

Division

n÷y
n÷2 999245.5
n÷3 666163.66666667
n÷3 499622.75
n÷5 399698.2

Exponentiation

ny
n2 3993966277081
n3 7981905659049884771
n4 1.595176662246E+25
n5 3.1879462029087E+31

Nth Root

y√n
2√n 1413.679949635
3√n 125.96041000246
4√n 37.598935485396
5√n 18.202893969388

Divisors of 1998491

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 -1998490
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 1998491 can be divided by 8 positive divisors. The sum of these divisors (counting 1998491) is 1, the average is 0.125.

Base conversion 1998491

Base System Value
2 Binary 111100111111010011011
3 Ternary 10202112102012
4 Quaternary 13213322123
5 Quinary 1002422431
6 Senary 110500135
8 Octal 7477233
10 Decimal 1998491
12 Duodecimal 80464b
16 Hexadecimal 1e7e9b
20 Vigesimal c9g4b
36 Base36 16u1n

Cryptographic Hash Functions

md5 43dad6a0ceb64b989340ae9866566448
sha1 890f767a62022c224b17ce048a472a97a3b1a8ce
sha256 70b1834a2ce34b51422d153e34a1d0aa1a81ae6a93c92a97e2e0ef4f87e1595d
sha512 a95b076dd0d7195fa7a843c1321650b1f9fd5e34ccf36981b690ccc49ced349d42ea566bbe582adb16cd02d7b532955db2980108174f78300da4b0c3886e3e30
ripemd-160 8519e86138b578696454ff2a560dec28cddd8324

1998491 as geometric shapes

Circle

Radius = n
Diameter 3996982
Circumference 12556889.287731
Area 12547415114763

Sphere

Radius = n
Volume 3.3434528240157E+19
Surface area 50189660459052
Circumference 12556889.287731

Square

Length = n
Perimeter 7993964
Area 3993966277081
Diagonal 2826293.0764806

Cube

Length = n
Surface area 23963797662486
Volume 7981905659049884771
Space diagonal 3461487.9504691

Equilateral Triangle

Length = n
Perimeter 5995473
Area 1729438128905.3
Altitude 1730743.9752346

Triangular Pyramid

Length = n
Surface area 1729438128905.3
Volume 9.4067660305091E+17
Height 942097.69216019