1389905 (number)

1389905 is an odd 7-digits composite number following 1389904 and preceding 1389906. In scientific notation, it is written as 1.389905 × 10^6. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 982080 positive integers (up to 1389905) that are relatively prime to 1389905.

Interesting facts

Basic properties

Name

Name one million three hundred eighty-nine thousand nine hundred five

Notation

Scientific notation 1.389905 × 10^6
Engineering notation 1.389905 × 10^6

Prime Factorization of 1389905

Prime Factorization 55 × 37 × 683

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 1389905
Product of the distinct prime numbers

The prime factorization of 1389905 is 55 × 37 × 683. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1389905)

Multiplication

n×y
n×2 2779810
n×3 4169715
n×4 5559620
n×5 6949525

Division

n÷y
n÷2 694952.5
n÷3 463301.66666667
n÷3 347476.25
n÷5 277981

Exponentiation

ny
n2 1931835909025
n3 2685068389133392625
n4 3.7319899793984E+24
n5 5.1871115323158E+30

Nth Root

y√n
2√n 1178.9423225926
3√n 111.59936044477
4√n 34.335729533426
5√n 16.927663742393

Divisors of 1389905

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 -1389904
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 1389905 can be divided by 8 positive divisors. The sum of these divisors (counting 1389905) is 1, the average is 0.125.

Base conversion 1389905

Base System Value
2 Binary 101010011010101010001
3 Ternary 2121121120222
4 Quaternary 11103111101
5 Quinary 323434110
6 Senary 45442425
8 Octal 5232521
10 Decimal 1389905
12 Duodecimal 570415
16 Hexadecimal 153551
20 Vigesimal 8def5
36 Base36 tsgh

Cryptographic Hash Functions

md5 2cdd93598ef569462210436c4f5510ef
sha1 0a3c4e7828c57819274319aebaeab4bce2712913
sha256 c799e5706a22aaa11b9cab06765a41cab9e1eddf6465af57fe52d7cf30a074d6
sha512 9a2f2a7c315357efe9dfd2cd1249287f79c9c78b41cb1f1e1dac888074e6b35f3df2967e4f2cb44604ffc8352582f28143ec0fe4c20b46a3045ed6914750b17e
ripemd-160 450b170b508e4e6d30c4437fee4f0b77fa1707af

1389905 as geometric shapes

Circle

Radius = n
Diameter 2779810
Circumference 8733030.6743754
Area 6069041499733.9

Sphere

Radius = n
Volume 1.1247188167584E+19
Surface area 24276165998936
Circumference 8733030.6743754

Square

Length = n
Perimeter 5559620
Area 1931835909025
Diagonal 1965622.5014102

Cube

Length = n
Surface area 11591015454150
Volume 2685068389133392625
Space diagonal 2407386.077694

Equilateral Triangle

Length = n
Perimeter 4169715
Area 836509486579.33
Altitude 1203693.038847

Triangular Pyramid

Length = n
Surface area 836509486579.33
Volume 3.1643834431764E+17
Height 655207.50047006