12909487 (number)

12909487 is an odd 8-digits composite number following 12909486 and preceding 12909488. In scientific notation, it is written as 1.2909487 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 12901680 positive integers (up to 12909487) that are relatively prime to 12909487.

Interesting facts

Basic properties

Name

Name twelve million nine hundred nine thousand four hundred eighty-seven

Notation

Scientific notation 1.2909487 × 10^7
Engineering notation 1.2909487 × 10^6

Prime Factorization of 12909487

Prime Factorization 5431 × 2377

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 12909487
Product of the distinct prime numbers

The prime factorization of 12909487 is 5431 × 2377. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12909487)

Multiplication

n×y
n×2 25818974
n×3 38728461
n×4 51637948
n×5 64547435

Division

n÷y
n÷2 6454743.5
n÷3 4303162.3333333
n÷3 3227371.75
n÷5 2581897.4

Exponentiation

ny
n2 166654854603169
n3 2.1514286789865E+21
n4 2.7773840562803E+28
n5 3.5854603368558E+35

Nth Root

y√n
2√n 3592.977456094
3√n 234.58648873792
4√n 59.941450233491
5√n 26.435151086809

Divisors of 12909487

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 -12909486
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 12909487 can be divided by 4 positive divisors. The sum of these divisors (counting 12909487) is 1, the average is 0.25.

Base conversion 12909487

Base System Value
2 Binary 110001001111101110101111
3 Ternary 220021212111011
4 Quaternary 301033232233
5 Quinary 11301100422
6 Senary 1140410051
8 Octal 61175657
10 Decimal 12909487
12 Duodecimal 43a6927
16 Hexadecimal c4fbaf
20 Vigesimal 40dde7
36 Base36 7op0v

Cryptographic Hash Functions

md5 e1494c8928a268b597d12e5466ed02da
sha1 f38b853d6119eb6361a69b41973d2f166fc4054d
sha256 1d0431a05b0290c2dfb2115182b92f2f7a511f11c0126b8e2add89ca352cc666
sha512 d2cc473b2e3f4755e04fd670937b98d2885e33dec87e8d79365abef27bd9ddc5e44b3d73375d598305668905ad45300b4996429b868492e212eb3d1687ce5bc1
ripemd-160 20017a427147f927545a712e57dae45bd5563f9e

12909487 as geometric shapes

Circle

Radius = n
Diameter 25818974
Circumference 81112699.041626
Area 5.2356166690639E+14

Sphere

Radius = n
Volume 9.0118833768352E+21
Surface area 2.0942466676256E+15
Circumference 81112699.041626

Square

Length = n
Perimeter 51637948
Area 166654854603169
Diagonal 18256771.598679

Cube

Length = n
Surface area 999929127619014
Volume 2.1514286789865E+21
Space diagonal 22359887.38365

Equilateral Triangle

Length = n
Perimeter 38728461
Area 72163668875173
Altitude 11179943.691825

Triangular Pyramid

Length = n
Surface area 72163668875173
Volume 2.5354830135843E+20
Height 6085590.5328931