1990388 (number)

1990388 is an even 7-digits composite number following 1990387 and preceding 1990389. In scientific notation, it is written as 1.990388 × 10^6. The sum of its digits is 38. It has a total of 3 prime factors and 6 positive divisors. There are 995192 positive integers (up to 1990388) that are relatively prime to 1990388.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.990388 × 10^6
Engineering notation 1.990388 × 10^6

Prime Factorization of 1990388

Prime Factorization 2 × 2 × 497597

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 995194
Product of the distinct prime numbers

The prime factorization of 1990388 is 2 × 2 × 497597. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1990388)

Multiplication

n×y
n×2 3980776
n×3 5971164
n×4 7961552
n×5 9951940

Division

n÷y
n÷2 995194
n÷3 663462.66666667
n÷3 497597
n÷5 398077.6

Exponentiation

ny
n2 3961644390544
n3 7885209455206091072
n4 1.5694626277129E+25
n5 3.1238395806482E+31

Nth Root

y√n
2√n 1410.8111142176
3√n 125.78994142454
4√n 37.560765623422
5√n 18.188109029224

Divisors of 1990388

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1990387
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1990388 can be divided by 6 positive divisors. The sum of these divisors (counting 1990388) is 1, the average is 0.16666666666667.

Base conversion 1990388

Base System Value
2 Binary 111100101111011110100
3 Ternary 10202010022002
4 Quaternary 13211323310
5 Quinary 1002143023
6 Senary 110354432
8 Octal 7457364
10 Decimal 1990388
12 Duodecimal 7bba18
16 Hexadecimal 1e5ef4
20 Vigesimal c8fj8
36 Base36 16nsk

Cryptographic Hash Functions

md5 161426500fa4dbd3fe712983c930d9bb
sha1 6611abeba0ea704c14e556982f9ca07c8aaad93e
sha256 c9c7565b4b99689d11cb91aecc85a7b7ebc5e349e4abcea2af17c4c80c3493a6
sha512 6ca67aee9e67f9d2ebec948c10bdbb8f7acc9ba68f48c9227ddd72aab77b94964d4536333688d218b64f9b830869cae2bfce3d07e34c019b3a558a8eb540aaf9
ripemd-160 09f0abcbea40d5ac8b5cecd5bff5fb92ea4730ba

1990388 as geometric shapes

Circle

Radius = n
Diameter 3980776
Circumference 12505976.637187
Area 12445872913468

Sphere

Radius = n
Volume 3.3029488128656E+19
Surface area 49783491653873
Circumference 12505976.637187

Square

Length = n
Perimeter 7961552
Area 3961644390544
Diagonal 2814833.7039847

Cube

Length = n
Surface area 23769866343264
Volume 7885209455206091072
Space diagonal 3447453.1427754

Equilateral Triangle

Length = n
Perimeter 5971164
Area 1715442341485.6
Altitude 1723726.5713877

Triangular Pyramid

Length = n
Surface area 1715442341485.6
Volume 9.2928084614208E+17
Height 938277.90132822