12581985 (number)

12581985 is an odd 8-digits composite number following 12581984 and preceding 12581986. In scientific notation, it is written as 1.2581985 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 6128640 positive integers (up to 12581985) that are relatively prime to 12581985.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2581985 × 10^7
Engineering notation 1.2581985 × 10^6

Prime Factorization of 12581985

Prime Factorization 339 × 65 × 571

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12581985
Product of the distinct prime numbers

The prime factorization of 12581985 is 339 × 65 × 571. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12581985)

Multiplication

n×y
n×2 25163970
n×3 37745955
n×4 50327940
n×5 62909925

Division

n÷y
n÷2 6290992.5
n÷3 4193995
n÷3 3145496.25
n÷5 2516397

Exponentiation

ny
n2 158306346540225
n3 1.9918080775739E+21
n4 2.5060899354914E+28
n5 3.1531585977004E+35

Nth Root

y√n
2√n 3547.1093865287
3√n 232.58572396792
4√n 59.557614009702
5√n 26.299641749171

Divisors of 12581985

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 -12581984
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 12581985 can be divided by 8 positive divisors. The sum of these divisors (counting 12581985) is 1, the average is 0.125.

Base conversion 12581985

Base System Value
2 Binary 101111111111110001100001
3 Ternary 212200020020110
4 Quaternary 233333301201
5 Quinary 11210110420
6 Senary 1125401533
8 Octal 57776141
10 Decimal 12581985
12 Duodecimal 42692a9
16 Hexadecimal bffc61
20 Vigesimal 3icej5
36 Base36 7hobl

Cryptographic Hash Functions

md5 e30ff5a5bcc272bcea0ed000bc63f65f
sha1 a9489825e47b5885564bcbf086f5c579195a2d05
sha256 6a7725637ebbffca00a5ed02687af07d461e5035ac2576268337576254146489
sha512 08ceab1f96bd49331aaeec27ded7231113e4dadbea92dc47e4995ef4c688680e848e917d2acc9a55937895cbafa70382090ced8bfc4afb3db5fa24ca4a06f19f
ripemd-160 9f11719ded3cc76bbbc3ab2b832a73aaa96726fe

12581985 as geometric shapes

Circle

Radius = n
Diameter 25163970
Circumference 79054943.287154
Area 4.9733405530741E+14

Sphere

Radius = n
Volume 8.343266165156E+21
Surface area 1.9893362212296E+15
Circumference 79054943.287154

Square

Length = n
Perimeter 50327940
Area 158306346540225
Diagonal 17793613.828575

Cube

Length = n
Surface area 949838079241350
Volume 1.9918080775739E+21
Space diagonal 21792637.28007

Equilateral Triangle

Length = n
Perimeter 37745955
Area 68548658842069
Altitude 10896318.640035

Triangular Pyramid

Length = n
Surface area 68548658842069
Volume 2.3473683307911E+20
Height 5931204.6095249