12912155 (number)

12912155 is an odd 8-digits composite number following 12912154 and preceding 12912156. In scientific notation, it is written as 1.2912155 × 10^7. The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors. There are 10063872 positive integers (up to 12912155) that are relatively prime to 12912155.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2912155 × 10^7
Engineering notation 1.2912155 × 10^6

Prime Factorization of 12912155

Prime Factorization 5 × 97 × 79 × 337

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 12912155
Product of the distinct prime numbers

The prime factorization of 12912155 is 5 × 97 × 79 × 337. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12912155)

Multiplication

n×y
n×2 25824310
n×3 38736465
n×4 51648620
n×5 64560775

Division

n÷y
n÷2 6456077.5
n÷3 4304051.6666667
n÷3 3228038.75
n÷5 2582431

Exponentiation

ny
n2 166723746744025
n3 2.1527628601396E+21
n4 2.7796807728366E+28
n5 3.5891668989386E+35

Nth Root

y√n
2√n 3593.3487167265
3√n 234.60264826567
4√n 59.944547014107
5√n 26.43624366552

Divisors of 12912155

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12912154
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12912155 can be divided by 16 positive divisors. The sum of these divisors (counting 12912155) is 1, the average is 0.0625.

Base conversion 12912155

Base System Value
2 Binary 110001010000011000011011
3 Ternary 220022000010222
4 Quaternary 301100120123
5 Quinary 11301142110
6 Senary 1140430255
8 Octal 61203033
10 Decimal 12912155
12 Duodecimal 43a838b
16 Hexadecimal c5061b
20 Vigesimal 40e07f
36 Base36 7or2z

Cryptographic Hash Functions

md5 b01cfe606d138839acf4eea6279e52df
sha1 db423cfbe6285364b58da100489f6e8b59ec1050
sha256 984c02659fdeb142dde136d227086fc27d5db55fde2fa88c870ff578685d8a59
sha512 4befe2e520d11a00cb0e6507c8cf895aa3dacc93579b25b752e00c4c6bc663547398f5e4e8462d97ac9c7ae433c25036f3d117c06eef122fd50a9227a3922dc9
ripemd-160 05b7dad844efcfdaa3403d18724a19c7ea0d0040

12912155 as geometric shapes

Circle

Radius = n
Diameter 25824310
Circumference 81129462.580025
Area 5.2377809794999E+14

Sphere

Radius = n
Volume 9.0174719817807E+21
Surface area 2.0951123918E+15
Circumference 81129462.580025

Square

Length = n
Perimeter 51648620
Area 166723746744025
Diagonal 18260544.720464

Cube

Length = n
Surface area 1000342480464150
Volume 2.1527628601396E+21
Space diagonal 22364508.495205

Equilateral Triangle

Length = n
Perimeter 38736465
Area 72193500047224
Altitude 11182254.247602

Triangular Pyramid

Length = n
Surface area 72193500047224
Volume 2.5370553611521E+20
Height 6086848.2401545