12861888 (number)

12861888 is an even 8-digits composite number following 12861887 and preceding 12861889. In scientific notation, it is written as 1.2861888 × 10^7. The sum of its digits is 42. It has a total of 9 prime factors and 56 positive divisors. There are 3956736 positive integers (up to 12861888) that are relatively prime to 12861888.

Interesting facts

Basic properties

Name

Name twelve million eight hundred sixty-one thousand eight hundred eighty-eight

Notation

Scientific notation 1.2861888 × 10^7
Engineering notation 1.2861888 × 10^6

Prime Factorization of 12861888

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 3 × 13 × 5153

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 401934
Product of the distinct prime numbers

The prime factorization of 12861888 is 2 × 2 × 2 × 2 × 2 × 2 × 3 × 13 × 5153. Since it has a total of 9 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12861888)

Multiplication

n×y
n×2 25723776
n×3 38585664
n×4 51447552
n×5 64309440

Division

n÷y
n÷2 6430944
n÷3 4287296
n÷3 3215472
n÷5 2572377.6

Exponentiation

ny
n2 165428162924544
n3 2.1277185035812E+21
n4 2.7366477088589E+28
n5 3.51984563268E+35

Nth Root

y√n
2√n 3586.3474455217
3√n 234.29781643385
4√n 59.886120641779
5√n 26.415628286853

Divisors of 12861888

56 divisors

τ Total Divisors 56
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12861887
Sum of the proper positive divisors of n
A Arithmetic Mean 0.017857142857143
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 56
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12861888 can be divided by 56 positive divisors. The sum of these divisors (counting 12861888) is 1, the average is 0.017857142857143.

Base conversion 12861888

Base System Value
2 Binary 110001000100000111000000
3 Ternary 220012110012020
4 Quaternary 301010013000
5 Quinary 11243040023
6 Senary 1135401440
8 Octal 61040700
10 Decimal 12861888
12 Duodecimal 4383280
16 Hexadecimal c441c0
20 Vigesimal 407ee8
36 Base36 7noao

Cryptographic Hash Functions

md5 ab325dd737f5ead8ce078b0fa3f6b5dd
sha1 e10d13df515a2c7a26ceb7aeb8519498c1a5f065
sha256 83b3f9f2ecfb59df4ead80ada8fe734868dbcfa03eff26b0e1b14b399be9d223
sha512 c25520c9f2712763b3f21f43d38c26d65c8cab1690d2fb587c90fa7b8f8dd7b93cf2649ba3a9505f6c5aff61c4a6731337d9d53160fc2c8e6deceee852714f5a
ripemd-160 5d2b61cb0daf54074ab2575d483a959b58c243ca

12861888 as geometric shapes

Circle

Radius = n
Diameter 25723776
Circumference 80813625.704189
Area 5.197079013406E+14

Sphere

Radius = n
Volume 8.9125664263438E+21
Surface area 2.0788316053624E+15
Circumference 80813625.704189

Square

Length = n
Perimeter 51447552
Area 165428162924544
Diagonal 18189456.447324

Cube

Length = n
Surface area 992568977547264
Volume 2.1277185035812E+21
Space diagonal 22277443.49726

Equilateral Triangle

Length = n
Perimeter 38585664
Area 71632495797023
Altitude 11138721.74863

Triangular Pyramid

Length = n
Surface area 71632495797023
Volume 2.5075403038973E+20
Height 6063152.1491079