12889905 (number)

12889905 is an odd 8-digits composite number following 12889904 and preceding 12889906. In scientific notation, it is written as 1.2889905 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 5892480 positive integers (up to 12889905) that are relatively prime to 12889905.

Interesting facts

Basic properties

Name

Name twelve million eight hundred eighty-nine thousand nine hundred five

Notation

Scientific notation 1.2889905 × 10^7
Engineering notation 1.2889905 × 10^6

Prime Factorization of 12889905

Prime Factorization 35 × 3 × 122761

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12889905
Product of the distinct prime numbers

The prime factorization of 12889905 is 35 × 3 × 122761. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12889905)

Multiplication

n×y
n×2 25779810
n×3 38669715
n×4 51559620
n×5 64449525

Division

n÷y
n÷2 6444952.5
n÷3 4296635
n÷3 3222476.25
n÷5 2577981

Exponentiation

ny
n2 166149650909025
n3 2.1416532160005E+21
n4 2.7605706497191E+28
n5 3.5583493420667E+35

Nth Root

y√n
2√n 3590.2513839563
3√n 234.46781639387
4√n 59.918706460973
5√n 26.427126484444

Divisors of 12889905

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 -12889904
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 12889905 can be divided by 8 positive divisors. The sum of these divisors (counting 12889905) is 1, the average is 0.125.

Base conversion 12889905

Base System Value
2 Binary 110001001010111100110001
3 Ternary 220020212121220
4 Quaternary 301022330301
5 Quinary 11244434110
6 Senary 1140135253
8 Octal 61127461
10 Decimal 12889905
12 Duodecimal 4397529
16 Hexadecimal c4af31
20 Vigesimal 40b4f5
36 Base36 7o9wx

Cryptographic Hash Functions

md5 f1880e0fada96918be7006f0fa00b2fd
sha1 e409f4ebd3458ab815ab5eef6a36cba5cf340132
sha256 c65d50b4780098647a904451113dc99e4602d43e0750ea32b1d1fe994844f893
sha512 3ef824625e977b4a72be8528bb409ebae333ed5e65b140004c119128ce8903053bce4ce37221fdc96a9e0f9725eaa59d68bc7f50fc74a12d35d8e951dbdbd8c7
ripemd-160 2537cd8bb67ce538dc08120dd50afd78d515845c

12889905 as geometric shapes

Circle

Radius = n
Diameter 25779810
Circumference 80989661.706941
Area 5.219745226923E+14

Sphere

Radius = n
Volume 8.9709360132321E+21
Surface area 2.0878980907692E+15
Circumference 80989661.706941

Square

Length = n
Perimeter 51559620
Area 166149650909025
Diagonal 18229078.468701

Cube

Length = n
Surface area 996897905454150
Volume 2.1416532160005E+21
Space diagonal 22325970.364736

Equilateral Triangle

Length = n
Perimeter 38669715
Area 71944909258566
Altitude 11162985.182368

Triangular Pyramid

Length = n
Surface area 71944909258566
Volume 2.5239625199732E+20
Height 6076359.4895669