12445905 (number)

12445905 is an odd 8-digits composite number following 12445904 and preceding 12445906. In scientific notation, it is written as 1.2445905 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 6637808 positive integers (up to 12445905) that are relatively prime to 12445905.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2445905 × 10^7
Engineering notation 1.2445905 × 10^6

Prime Factorization of 12445905

Prime Factorization 15 × 829727

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 12445905
Product of the distinct prime numbers

The prime factorization of 12445905 is 15 × 829727. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12445905)

Multiplication

n×y
n×2 24891810
n×3 37337715
n×4 49783620
n×5 62229525

Division

n÷y
n÷2 6222952.5
n÷3 4148635
n÷3 3111476.25
n÷5 2489181

Exponentiation

ny
n2 154900551269025
n3 1.9278775455419E+21
n4 2.3994180783448E+28
n5 2.9862929458362E+35

Nth Root

y√n
2√n 3527.8754229706
3√n 231.74417525092
4√n 59.395920928719
5√n 26.242505466149

Divisors of 12445905

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 -12445904
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 12445905 can be divided by 4 positive divisors. The sum of these divisors (counting 12445905) is 1, the average is 0.25.

Base conversion 12445905

Base System Value
2 Binary 101111011110100011010001
3 Ternary 212102022120110
4 Quaternary 233132203101
5 Quinary 11141232110
6 Senary 1122431533
8 Octal 57364321
10 Decimal 12445905
12 Duodecimal 42025a9
16 Hexadecimal bde8d1
20 Vigesimal 3hfef5
36 Base36 7erbl

Cryptographic Hash Functions

md5 0a8c16ad68024263619475e809eaf2c4
sha1 d73551839201b87c6a4f89b1d8e71550404d80f1
sha256 73b19596033554ec84c5f616e34b5156ebaa11419af83a2f5ef1752872cda9ca
sha512 cb64d413dfc9f28c61665eb2f4b2f4ad44a1578b68a3d1bc05acedcc4b964a53143d69a8a903f165eb102e7e61287635df929df36f505d8c844d3a26371a2e77
ripemd-160 90c0aab2daf7422a603922c8e9bee34617f9a62d

12445905 as geometric shapes

Circle

Radius = n
Diameter 24891810
Circumference 78199927.430553
Area 4.8663443390378E+14

Sphere

Radius = n
Volume 8.0754745787936E+21
Surface area 1.9465377356151E+15
Circumference 78199927.430553

Square

Length = n
Perimeter 49783620
Area 154900551269025
Diagonal 17601167.647007

Cube

Length = n
Surface area 929403307614150
Volume 1.9278775455419E+21
Space diagonal 21556939.806176

Equilateral Triangle

Length = n
Perimeter 37337715
Area 67073906229595
Altitude 10778469.903088

Triangular Pyramid

Length = n
Surface area 67073906229595
Volume 2.2720254762499E+20
Height 5867055.8823357