12991640 (number)

12991640 is an even 8-digits composite number following 12991639 and preceding 12991641. In scientific notation, it is written as 1.2991640 × 10^7. The sum of its digits is 32. It has a total of 5 prime factors and 16 positive divisors. There are 5196640 positive integers (up to 12991640) that are relatively prime to 12991640.

Interesting facts

Basic properties

Name

Name twelve million nine hundred ninety-one thousand six hundred forty

Notation

Scientific notation 1.2991640 × 10^7
Engineering notation 1.2991640 × 10^6

Prime Factorization of 12991640

Prime Factorization 2 × 2 × 2 × 5 × 324791

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 3247910
Product of the distinct prime numbers

The prime factorization of 12991640 is 2 × 2 × 2 × 5 × 324791. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 9, 18, 33, 995, 1000, 7346, 6151, 68339, 70048, 72589, 256259, 7808427, 8151730, 34388844, 35587940, 863550803, 327764452, 1251648425, 6297312922

Basic calculations (n = 12991640)

Multiplication

n×y
n×2 25983280
n×3 38974920
n×4 51966560
n×5 64958200

Division

n÷y
n÷2 6495820
n÷3 4330546.6666667
n÷3 3247910
n÷5 2598328

Exponentiation

ny
n2 168782709889600
n3 2.1927642051101E+21
n4 2.8487603157677E+28
n5 3.701006846874E+35

Nth Root

y√n
2√n 3604.3917656104
3√n 235.08305499468
4√n 60.036586891748
5√n 26.468711209432

Divisors of 12991640

1, 2, 4, 5, 8, 10, 20, 40, 324791, 649582, 1299164, 1623955, 2598328, 3247910, 6495820, 12991640

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 -12991639
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 12991640 can be divided by 16 positive divisors. The sum of these divisors (counting 12991640) is 1, the average is 0.0625.

Base conversion 12991640

Base System Value
2 Binary 110001100011110010011000
3 Ternary 220110001011212
4 Quaternary 301203302120
5 Quinary 11311213030
6 Senary 1142242252
8 Octal 61436230
10 Decimal 12991640
12 Duodecimal 4426388
16 Hexadecimal c63c98
20 Vigesimal 413j20
36 Base36 7qgew

Cryptographic Hash Functions

md5 673c823e28947a0e9ee2dcab7cc36bf0
sha1 7f5c4e3f662564ef5eca93f96b9d79c9ca069dc3
sha256 fe1d5b1fc193823f972551fc5d5cb35fc69a8116b8214a892a0baef185b4e94c
sha512 c2f60e8561671e983db0aa41af4724a8ca09621adcc293a15c6875e5883d327b46f421cce6a70e0cb23434f2322767b3b428063db769e80eb83cc25fea8236e1
ripemd-160 652ac29b1eeaef82ba059a8ae71b932261c11cd4

12991640 as geometric shapes

Circle

Radius = n
Diameter 25983280
Circumference 81628881.564167
Area 5.3024652144214E+14

Sphere

Radius = n
Volume 9.1850292237715E+21
Surface area 2.1209860857686E+15
Circumference 81628881.564167

Square

Length = n
Perimeter 51966560
Area 168782709889600
Diagonal 18372953.485469

Cube

Length = n
Surface area 1012696259337600
Volume 2.1927642051101E+21
Space diagonal 22502180.553644

Equilateral Triangle

Length = n
Perimeter 38974920
Area 73085057241986
Altitude 11251090.276822

Triangular Pyramid

Length = n
Surface area 73085057241986
Volume 2.5841973982942E+20
Height 6124317.8284896