12489905 (number)

12489905 is an odd 8-digits composite number following 12489904 and preceding 12489906. In scientific notation, it is written as 1.2489905 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors. There are 9642240 positive integers (up to 12489905) that are relatively prime to 12489905.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2489905 × 10^7
Engineering notation 1.2489905 × 10^6

Prime Factorization of 12489905

Prime Factorization 5 × 37 × 181 × 373

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 12489905
Product of the distinct prime numbers

The prime factorization of 12489905 is 5 × 37 × 181 × 373. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 2, 24, 84, 567, 829, 9710, 6954, 61382, 8409, 170515, 611750, 2194196, 662260, 23342546, 27496149, 644154018, 124330685, 692708868, 238620232

Basic calculations (n = 12489905)

Multiplication

n×y
n×2 24979810
n×3 37469715
n×4 49959620
n×5 62449525

Division

n÷y
n÷2 6244952.5
n÷3 4163301.6666667
n÷3 3122476.25
n÷5 2497981

Exponentiation

ny
n2 155997726909025
n3 1.9483967893097E+21
n4 2.4335290800783E+28
n5 3.0394547024915E+35

Nth Root

y√n
2√n 3534.1059689828
3√n 232.01694906891
4√n 59.448347066868
5√n 26.261034305209

Divisors of 12489905

1, 5, 37, 181, 185, 373, 905, 1865, 6697, 13801, 33485, 67513, 69005, 337565, 2497981, 12489905

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 -12489904
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 12489905 can be divided by 16 positive divisors. The sum of these divisors (counting 12489905) is 1, the average is 0.0625.

Base conversion 12489905

Base System Value
2 Binary 101111101001010010110001
3 Ternary 212111112221002
4 Quaternary 233221102301
5 Quinary 11144134110
6 Senary 1123411345
8 Octal 57512261
10 Decimal 12489905
12 Duodecimal 4223b55
16 Hexadecimal be94b1
20 Vigesimal 3i14f5
36 Base36 7fp9t

Cryptographic Hash Functions

md5 123701941f47b21f5cf84bc53af5340e
sha1 7805cb530a8dedc8de55e765854c56a2840bb11c
sha256 a5c13c74818e57eef33a5e98215ede517ba56c314772461c7ebe4023a52482b4
sha512 6a4c1e092159b03382b70a087fc5291d7254395140572c7a49671d681dea07e7a0b4dc941dbe00898c669b581ea4a1c05c09700f305511095c32616ef633f84b
ripemd-160 13b1c6e3678c8cd055c59a7f7826070666cb92c5

12489905 as geometric shapes

Circle

Radius = n
Diameter 24979810
Circumference 78476387.584069
Area 4.900813128341E+14

Sphere

Radius = n
Volume 8.1614253860976E+21
Surface area 1.9603252513364E+15
Circumference 78476387.584069

Square

Length = n
Perimeter 49959620
Area 155997726909025
Diagonal 17663393.043752

Cube

Length = n
Surface area 935986361454150
Volume 1.9483967893097E+21
Space diagonal 21633150.041709

Equilateral Triangle

Length = n
Perimeter 37469715
Area 67548997217921
Altitude 10816575.020854

Triangular Pyramid

Length = n
Surface area 67548997217921
Volume 2.2962076369383E+20
Height 5887797.6812505