1998438 (number)

1998438 is an even 7-digits composite number following 1998437 and preceding 1998439. In scientific notation, it is written as 1.998438 × 10^6. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 614880 positive integers (up to 1998438) that are relatively prime to 1998438.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.998438 × 10^6
Engineering notation 1.998438 × 10^6

Prime Factorization of 1998438

Prime Factorization 2 × 3 × 13 × 25621

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1998438
Product of the distinct prime numbers

The prime factorization of 1998438 is 2 × 3 × 13 × 25621. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 4, 39, 76, 695, 929, 6365, 7211, 63297, 88285, 465719, 55566, 2315406, 4036067, 46306595, 52708001, 577842001, 456644068, 5548143945, 5782554569

Basic calculations (n = 1998438)

Multiplication

n×y
n×2 3996876
n×3 5995314
n×4 7993752
n×5 9992190

Division

n÷y
n÷2 999219
n÷3 666146
n÷3 499609.5
n÷5 399687.6

Exponentiation

ny
n2 3993754439844
n3 7981270635252963672
n4 1.5950074525774E+25
n5 3.1875235035138E+31

Nth Root

y√n
2√n 1413.661204108
3√n 125.9592965022
4√n 37.598686201887
5√n 18.202797420181

Divisors of 1998438

1, 2, 3, 6, 13, 26, 39, 78, 25621, 51242, 76863, 153726, 333073, 666146, 999219, 1998438

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1998437
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1998438 can be divided by 16 positive divisors. The sum of these divisors (counting 1998438) is 1, the average is 0.0625.

Base conversion 1998438

Base System Value
2 Binary 111100111111001100110
3 Ternary 10202112100020
4 Quaternary 13213321212
5 Quinary 1002422223
6 Senary 110500010
8 Octal 7477146
10 Decimal 1998438
12 Duodecimal 804606
16 Hexadecimal 1e7e66
20 Vigesimal c9g1i
36 Base36 16u06

Cryptographic Hash Functions

md5 2b7d767e5b78a1c794afa3f85c1f531a
sha1 fdbc304de14d501edfdf35eb5196c0b7eb074b65
sha256 e470ef8621c7c9b1cc787af3a2e5df56fcef051689aadc952b43013fbd90bdde
sha512 845b02bcea93358440d2b353f333b5e7de9b6194148aca211fdbbc8c71da70095fb9888e89b5468cad7b742b460c92180cc143393b8c309e98f7e728282071a0
ripemd-160 55bcea5f88f46ed25695276426bdb3f8fb1e9db9

1998438 as geometric shapes

Circle

Radius = n
Diameter 3996876
Circumference 12556556.278909
Area 12546749608456

Sphere

Radius = n
Volume 3.3431868258697E+19
Surface area 50186998433822
Circumference 12556556.278909

Square

Length = n
Perimeter 7993752
Area 3993754439844
Diagonal 2826218.1231618

Cube

Length = n
Surface area 23962526639064
Volume 7981270635252963672
Space diagonal 3461396.1517763

Equilateral Triangle

Length = n
Perimeter 5995314
Area 1729346400690.9
Altitude 1730698.0758882

Triangular Pyramid

Length = n
Surface area 1729346400690.9
Volume 9.4060176477874E+17
Height 942072.70772059