1689945 (number)

1689945 is an odd 7-digits composite number following 1689944 and preceding 1689946. In scientific notation, it is written as 1.689945 × 10^6. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 901296 positive integers (up to 1689945) that are relatively prime to 1689945.

Interesting facts

Basic properties

Name

Name one million six hundred eighty-nine thousand nine hundred forty-five

Notation

Scientific notation 1.689945 × 10^6
Engineering notation 1.689945 × 10^6

Prime Factorization of 1689945

Prime Factorization 3 × 5 × 112663

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 1689945
Product of the distinct prime numbers

The prime factorization of 1689945 is 3 × 5 × 112663. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1689945)

Multiplication

n×y
n×2 3379890
n×3 5069835
n×4 6759780
n×5 8449725

Division

n÷y
n÷2 844972.5
n÷3 563315
n÷3 422486.25
n÷5 337989

Exponentiation

ny
n2 2855914103025
n3 4826337758836583625
n4 8.1562453638571E+24
n5 1.3783606071423E+31

Nth Root

y√n
2√n 1299.9788459817
3√n 119.11255034363
4√n 36.055219399994
5√n 17.602506530301

Divisors of 1689945

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 -1689944
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 1689945 can be divided by 8 positive divisors. The sum of these divisors (counting 1689945) is 1, the average is 0.125.

Base conversion 1689945

Base System Value
2 Binary 110011100100101011001
3 Ternary 10011212011120
4 Quaternary 12130211121
5 Quinary 413034240
6 Senary 100115453
8 Octal 6344531
10 Decimal 1689945
12 Duodecimal 695b89
16 Hexadecimal 19c959
20 Vigesimal ab4h5
36 Base36 107yx

Cryptographic Hash Functions

md5 1ca8963fd81061ba51c00187f340e08b
sha1 bc4b6d2c71a95cb18f62bb28057f373a9773d4cf
sha256 f0aa011877b517b9e392649481ef25355442a1d1cc0c92a1ca55be9f800582c9
sha512 e6e7043b6f43ec660a85affcb2e163bd2f3e532ed1667ec3b0e466867ae5b4d5cabf3c40a90d10947cd5bc705b9db19c0f7b8848bbb90755a419887d37947dac
ripemd-160 85a0dee07fc21aea2f95f1372d11c404dbdca526

1689945 as geometric shapes

Circle

Radius = n
Diameter 3379890
Circumference 10618237.593942
Area 8972118765346.8

Sphere

Radius = n
Volume 2.0216516329205E+19
Surface area 35888475061387
Circumference 10618237.593942

Square

Length = n
Perimeter 6759780
Area 2855914103025
Diagonal 2389943.1386646

Cube

Length = n
Surface area 17135484618150
Volume 4826337758836583625
Space diagonal 2927070.601997

Equilateral Triangle

Length = n
Perimeter 5069835
Area 1236647082122.9
Altitude 1463535.3009985

Triangular Pyramid

Length = n
Surface area 1236647082122.9
Volume 5.6878935959501E+17
Height 796647.7128882