12909861 (number)

12909861 is an odd 8-digits composite number following 12909860 and preceding 12909862. In scientific notation, it is written as 1.2909861 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 8605116 positive integers (up to 12909861) that are relatively prime to 12909861.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2909861 × 10^7
Engineering notation 1.2909861 × 10^6

Prime Factorization of 12909861

Prime Factorization 3 × 729 × 5903

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12909861
Product of the distinct prime numbers

The prime factorization of 12909861 is 3 × 729 × 5903. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12909861)

Multiplication

n×y
n×2 25819722
n×3 38729583
n×4 51639444
n×5 64549305

Division

n÷y
n÷2 6454930.5
n÷3 4303287
n÷3 3227465.25
n÷5 2581972.2

Exponentiation

ny
n2 166664511039321
n3 2.1516156711506E+21
n4 2.7777059239976E+28
n5 3.5859797377686E+35

Nth Root

y√n
2√n 3593.029501688
3√n 234.58875411323
4√n 59.941884368845
5√n 26.43530425528

Divisors of 12909861

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 -12909860
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 12909861 can be divided by 8 positive divisors. The sum of these divisors (counting 12909861) is 1, the average is 0.125.

Base conversion 12909861

Base System Value
2 Binary 110001001111110100100101
3 Ternary 220021220000000
4 Quaternary 301033310211
5 Quinary 11301103421
6 Senary 1140411513
8 Octal 61176445
10 Decimal 12909861
12 Duodecimal 43a6b99
16 Hexadecimal c4fd25
20 Vigesimal 40ded1
36 Base36 7opb9

Cryptographic Hash Functions

md5 1448e7b6f6ebabdf2df22b2fc03eed5b
sha1 33b7973a3912d28180ae86d4efe99c7675460df1
sha256 f59cb14ae752ebc642f7a17a0a58799260bf14649a9b2ab010bdb4e4d2a03d17
sha512 61f5a65946a62c2ca34d7fc30ef91ae387a5b7a1ec7f1569af959b32456f2ef4b890d304b4212643fc73853ff88dfe5440e2aafa61a25ded26bd4b30af86e095
ripemd-160 54f534a5f599e16e34bb9aed328d9f980a5f1f90

12909861 as geometric shapes

Circle

Radius = n
Diameter 25819722
Circumference 81115048.952931
Area 5.2359200349527E+14

Sphere

Radius = n
Volume 9.0126666477805E+21
Surface area 2.0943680139811E+15
Circumference 81115048.952931

Square

Length = n
Perimeter 51639444
Area 166664511039321
Diagonal 18257300.514551

Cube

Length = n
Surface area 999987066235926
Volume 2.1516156711506E+21
Space diagonal 22360535.170652

Equilateral Triangle

Length = n
Perimeter 38729583
Area 72167850234682
Altitude 11180267.585326

Triangular Pyramid

Length = n
Surface area 72167850234682
Volume 2.5357033859631E+20
Height 6085766.8381838