1997890 (number)

1997890 is an even 7-digits composite number following 1997889 and preceding 1997891. In scientific notation, it is written as 1.997890 × 10^6. The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors. There are 794880 positive integers (up to 1997890) that are relatively prime to 1997890.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.997890 × 10^6
Engineering notation 1.997890 × 10^6

Prime Factorization of 1997890

Prime Factorization 2 × 5 × 241 × 829

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1997890
Product of the distinct prime numbers

The prime factorization of 1997890 is 2 × 5 × 241 × 829. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 6, 95, 23, 719, 445, 8727, 3327, 24034, 82024, 506128, 323386, 464198, 4528386, 48480949, 4800392, 199991322, 748861364, 8439175833, 6700397735

Basic calculations (n = 1997890)

Multiplication

n×y
n×2 3995780
n×3 5993670
n×4 7991560
n×5 9989450

Division

n÷y
n÷2 998945
n÷3 665963.33333333
n÷3 499472.5
n÷5 399578

Exponentiation

ny
n2 3991564452100
n3 7974706703206069000
n4 1.5932586775268E+25
n5 3.1831555792441E+31

Nth Root

y√n
2√n 1413.4673678582
3√n 125.94778217539
4√n 37.596108413747
5√n 18.201799017699

Divisors of 1997890

1, 2, 5, 10, 241, 482, 829, 1205, 1658, 2410, 4145, 8290, 199789, 399578, 998945, 1997890

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 -1997889
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 1997890 can be divided by 16 positive divisors. The sum of these divisors (counting 1997890) is 1, the average is 0.0625.

Base conversion 1997890

Base System Value
2 Binary 111100111110001000010
3 Ternary 10202111120221
4 Quaternary 13213301002
5 Quinary 1002413030
6 Senary 110453254
8 Octal 7476102
10 Decimal 1997890
12 Duodecimal 80422a
16 Hexadecimal 1e7c42
20 Vigesimal c9eea
36 Base36 16tky

Cryptographic Hash Functions

md5 12e50f373e1a82c445eb68b66bfd09d8
sha1 01a7172e3ab28c79a2b6d82a967316e6dd280b69
sha256 084a2bd51509ebd3d8bd370cf2d5a1ea87b53380e8746eba1e3b9d78c60b29d6
sha512 f0329218df5ccd0f5cb35b717bf4086e50fe21ca61882877252daa5ee9ed99123cafaaa8444a1ba86efa1e9cd5fe255dba39a7969f65ead5e0b50169ca5c61eb
ripemd-160 5f302717659ebceb8a138906f87e693e9b85b325

1997890 as geometric shapes

Circle

Radius = n
Diameter 3995780
Circumference 12553113.093361
Area 12539869559048

Sphere

Radius = n
Volume 3.3404373324434E+19
Surface area 50159478236190
Circumference 12553113.093361

Square

Length = n
Perimeter 7991560
Area 3991564452100
Diagonal 2825443.1341296

Cube

Length = n
Surface area 23949386712600
Volume 7974706703206069000
Space diagonal 3460446.9879338

Equilateral Triangle

Length = n
Perimeter 5993670
Area 1728398108180.8
Altitude 1730223.4939669

Triangular Pyramid

Length = n
Surface area 1728398108180.8
Volume 9.3982819796847E+17
Height 941814.37804319