12897209 (number)

12897209 is an odd 8-digits composite number following 12897208 and preceding 12897210. In scientific notation, it is written as 1.2897209 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 11520720 positive integers (up to 12897209) that are relatively prime to 12897209.

Interesting facts

Basic properties

Name

Name twelve million eight hundred ninety-seven thousand two hundred nine

Notation

Scientific notation 1.2897209 × 10^7
Engineering notation 1.2897209 × 10^6

Prime Factorization of 12897209

Prime Factorization 13 × 31 × 32003

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12897209
Product of the distinct prime numbers

The prime factorization of 12897209 is 13 × 31 × 32003. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12897209)

Multiplication

n×y
n×2 25794418
n×3 38691627
n×4 51588836
n×5 64486045

Division

n÷y
n÷2 6448604.5
n÷3 4299069.6666667
n÷3 3224302.25
n÷5 2579441.8

Exponentiation

ny
n2 166337999989681
n3 2.1452959505089E+21
n4 2.7668330240567E+28
n5 3.5684423779361E+35

Nth Root

y√n
2√n 3591.2684388667
3√n 234.51209470218
4√n 59.927192816506
5√n 26.430120765571

Divisors of 12897209

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 -12897208
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 12897209 can be divided by 8 positive divisors. The sum of these divisors (counting 12897209) is 1, the average is 0.125.

Base conversion 12897209

Base System Value
2 Binary 110001001100101110111001
3 Ternary 220021020122102
4 Quaternary 301030232321
5 Quinary 11300202314
6 Senary 1140233145
8 Octal 61145671
10 Decimal 12897209
12 Duodecimal 439b7b5
16 Hexadecimal c4cbb9
20 Vigesimal 40c309
36 Base36 7ofjt

Cryptographic Hash Functions

md5 9b7a146e1373f51fbe177d2bfa2e08e0
sha1 ffa526314a0e796d9d1680bee12f5c326eb20b47
sha256 fe88aa86bc6794cdf4ec2d0ea04ee3dfcd11053dc12bb7505d5b795e5480d827
sha512 ffe53170141e21be1f25ddcc3ceee1af3b78e36209d4ad42bc2e55eb7539dae909edaf9d5c6aa0b9bc559bfd702ccec5741f4c383da9030fc31ab719862893e6
ripemd-160 38e8aa6dc3f56b46c95c68ed3c36cb2235576712

12897209 as geometric shapes

Circle

Radius = n
Diameter 25794418
Circumference 81035554.092424
Area 5.225662387804E+14

Sphere

Radius = n
Volume 8.9861946638596E+21
Surface area 2.0902649551216E+15
Circumference 81035554.092424

Square

Length = n
Perimeter 51588836
Area 166337999989681
Diagonal 18239407.88456

Cube

Length = n
Surface area 998027999938086
Volume 2.1452959505089E+21
Space diagonal 22338621.263835

Equilateral Triangle

Length = n
Perimeter 38691627
Area 72026466802880
Altitude 11169310.631917

Triangular Pyramid

Length = n
Surface area 72026466802880
Volume 2.5282555237615E+20
Height 6079802.6281868