12905855 (number)

12905855 is an odd 8-digits composite number following 12905854 and preceding 12905856. In scientific notation, it is written as 1.2905855 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 10324680 positive integers (up to 12905855) that are relatively prime to 12905855.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2905855 × 10^7
Engineering notation 1.2905855 × 10^6

Prime Factorization of 12905855

Prime Factorization 5 × 2581171

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 12905855
Product of the distinct prime numbers

The prime factorization of 12905855 is 5 × 2581171. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12905855)

Multiplication

n×y
n×2 25811710
n×3 38717565
n×4 51623420
n×5 64529275

Division

n÷y
n÷2 6452927.5
n÷3 4301951.6666667
n÷3 3226463.75
n÷5 2581171

Exponentiation

ny
n2 166561093281025
n3 2.1496133185264E+21
n4 2.774259779497E+28
n5 3.5804194446521E+35

Nth Root

y√n
2√n 3592.4719901483
3√n 234.56448688138
4√n 59.937233754556
5√n 26.433663447903

Divisors of 12905855

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 -12905854
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 12905855 can be divided by 4 positive divisors. The sum of these divisors (counting 12905855) is 1, the average is 0.25.

Base conversion 12905855

Base System Value
2 Binary 110001001110110101111111
3 Ternary 220021200111122
4 Quaternary 301032311333
5 Quinary 11300441410
6 Senary 1140341155
8 Octal 61166577
10 Decimal 12905855
12 Duodecimal 43a47bb
16 Hexadecimal c4ed7f
20 Vigesimal 40d4cf
36 Base36 7om7z

Cryptographic Hash Functions

md5 563585ebeab4187ab57952dc03561381
sha1 629f5fa562fad5d022dd3a7321cbe6f562d8eb8d
sha256 aec7bf6090f806c29b0586eee626c267e8ee237fca7fe09252392fc0585630dd
sha512 ced92414df4a96fb312926899f6f069f349123c0824f828a30bd9d234e53dc28b73f90cdfaa7d0d2112d3097169da12194a990ac00964470d73778ac09820ec0
ripemd-160 5f5769230193cb4307f95399d205524d4a8574b3

12905855 as geometric shapes

Circle

Radius = n
Diameter 25811710
Circumference 81089878.51259
Area 5.2326710702555E+14

Sphere

Radius = n
Volume 9.0042792127217E+21
Surface area 2.0930684281022E+15
Circumference 81089878.51259

Square

Length = n
Perimeter 51623420
Area 166561093281025
Diagonal 18251635.175021

Cube

Length = n
Surface area 999366559686150
Volume 2.1496133185264E+21
Space diagonal 22353596.575117

Equilateral Triangle

Length = n
Perimeter 38717565
Area 72123069031739
Altitude 11176798.287558

Triangular Pyramid

Length = n
Surface area 72123069031739
Volume 2.5333435907649E+20
Height 6083878.3916735