1990689 (number)

1990689 is an odd 7-digits composite number following 1990688 and preceding 1990690. In scientific notation, it is written as 1.990689 × 10^6. The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors. There are 1327124 positive integers (up to 1990689) that are relatively prime to 1990689.

Interesting facts

Basic properties

Name

Name one million nine hundred ninety thousand six hundred eighty-nine

Notation

Scientific notation 1.990689 × 10^6
Engineering notation 1.990689 × 10^6

Prime Factorization of 1990689

Prime Factorization 3 × 663563

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 1990689
Product of the distinct prime numbers

The prime factorization of 1990689 is 3 × 663563. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1990689)

Multiplication

n×y
n×2 3981378
n×3 5972067
n×4 7962756
n×5 9953445

Division

n÷y
n÷2 995344.5
n÷3 663563
n÷3 497672.25
n÷5 398137.8

Exponentiation

ny
n2 3962842694721
n3 7888787361111452769
n4 1.5704122223104E+25
n5 3.1262023364188E+31

Nth Root

y√n
2√n 1410.9177864071
3√n 125.79628204153
4√n 37.562185591458
5√n 18.188659101842

Divisors of 1990689

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1990688
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1990689 can be divided by 4 positive divisors. The sum of these divisors (counting 1990689) is 1, the average is 0.25.

Base conversion 1990689

Base System Value
2 Binary 111100110000000100001
3 Ternary 10202010201020
4 Quaternary 13212000201
5 Quinary 1002200224
6 Senary 110400053
8 Octal 7460041
10 Decimal 1990689
12 Duodecimal 800029
16 Hexadecimal 1e6021
20 Vigesimal c8ge9
36 Base36 16o0x

Cryptographic Hash Functions

md5 a849fdf4444480f27c7751016159b351
sha1 d220a8f89ecaf0e7ec7c0fad972805c5438c07ee
sha256 3cc939858e9a7b5956cc5af6c95b7f02e49240f21c3da490dc947f504b53612e
sha512 c52084be165f5bdcbb0f94ea31ce55ec9f5bb209d10181d62e7cccde02537fcbdcdd6594810a163eedf1a2cd8869b0f2dade56e3d5ac0a7fbc252e9289faf55f
ripemd-160 d844319552bfe401c3fef0d2eba876f93f7e6567

1990689 as geometric shapes

Circle

Radius = n
Diameter 3981378
Circumference 12507867.875964
Area 12449637497067

Sphere

Radius = n
Volume 3.3044475225866E+19
Surface area 49798549988270
Circumference 12507867.875964

Square

Length = n
Perimeter 7962756
Area 3962842694721
Diagonal 2815259.3822669

Cube

Length = n
Surface area 23777056168326
Volume 7888787361111452769
Space diagonal 3447974.4900685

Equilateral Triangle

Length = n
Perimeter 5972067
Area 1715961222415
Altitude 1723987.2450342

Triangular Pyramid

Length = n
Surface area 1715961222415
Volume 9.2970250639677E+17
Height 938419.79408898