12805105 (number)

12805105 is an odd 8-digits composite number following 12805104 and preceding 12805106. In scientific notation, it is written as 1.2805105 × 10^7. The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors. There are 10244080 positive integers (up to 12805105) that are relatively prime to 12805105.

Interesting facts

Basic properties

Name

Name twelve million eight hundred five thousand one hundred five

Notation

Scientific notation 1.2805105 × 10^7
Engineering notation 1.2805105 × 10^6

Prime Factorization of 12805105

Prime Factorization 5 × 2561021

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 12805105
Product of the distinct prime numbers

The prime factorization of 12805105 is 5 × 2561021. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 5, 41, 67, 103, 655, 362, 3958, 68118, 94548, 105269, 4138, 3920936, 5732746, 81462036, 76996965, 773997214, 381025598, 5607947778, 1965135773

Basic calculations (n = 12805105)

Multiplication

n×y
n×2 25610210
n×3 38415315
n×4 51220420
n×5 64025525

Division

n÷y
n÷2 6402552.5
n÷3 4268368.3333333
n÷3 3201276.25
n÷5 2561021

Exponentiation

ny
n2 163970714061025
n3 2.0996622104764E+21
n4 2.6886395069682E+28
n5 3.4428311193877E+35

Nth Root

y√n
2√n 3578.4221383174
3√n 233.95251307066
4√n 59.819914228603
5√n 26.392262907184

Divisors of 12805105

1, 5, 2561021, 12805105

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 -12805104
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 12805105 can be divided by 4 positive divisors. The sum of these divisors (counting 12805105) is 1, the average is 0.25.

Base conversion 12805105

Base System Value
2 Binary 110000110110001111110001
3 Ternary 220002120022011
4 Quaternary 300312033301
5 Quinary 11234230410
6 Senary 1134242521
8 Octal 60661761
10 Decimal 12805105
12 Duodecimal 4356441
16 Hexadecimal c363f1
20 Vigesimal 400cf5
36 Base36 7mghd

Cryptographic Hash Functions

md5 b193fbfe9b27f581d02b6fcc29b7d990
sha1 73d3e4e3eb07b15ff825e354c507a471f7ceeea9
sha256 64d77b225d1ba2bc98943e09d297e51116af3099f1b208c6eca2105973aa17ed
sha512 dd581a5e3f3bc77bb00e4b9cee72e860330947adffcbe198b612a4762906cc6e9c3e0af227eac903198811086a03d9af52d92773e3267434799847adbea6d138
ripemd-160 00c8c9d95891e734e392113f0617a4bc70882617

12805105 as geometric shapes

Circle

Radius = n
Diameter 25610210
Circumference 80456847.592892
Area 5.1512919069799E+14

Sphere

Radius = n
Volume 8.7950445006037E+21
Surface area 2.060516762792E+15
Circumference 80456847.592892

Square

Length = n
Perimeter 51220420
Area 163970714061025
Diagonal 18109153.158612

Cube

Length = n
Surface area 983824284366150
Volume 2.0996622104764E+21
Space diagonal 22179092.456254

Equilateral Triangle

Length = n
Perimeter 38415315
Area 71001401926761
Altitude 11089546.228127

Triangular Pyramid

Length = n
Surface area 71001401926761
Volume 2.4744756453817E+20
Height 6036384.3862038