12891749 (number)

12891749 is an odd 8-digits composite number following 12891748 and preceding 12891750. In scientific notation, it is written as 1.2891749 × 10^7. The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors. There are 11865600 positive integers (up to 12891749) that are relatively prime to 12891749.

Interesting facts

Basic properties

Name

Name twelve million eight hundred ninety-one thousand seven hundred forty-nine

Notation

Scientific notation 1.2891749 × 10^7
Engineering notation 1.2891749 × 10^6

Prime Factorization of 12891749

Prime Factorization 13 × 401 × 2473

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12891749
Product of the distinct prime numbers

The prime factorization of 12891749 is 13 × 401 × 2473. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12891749)

Multiplication

n×y
n×2 25783498
n×3 38675247
n×4 51566996
n×5 64458745

Division

n÷y
n÷2 6445874.5
n÷3 4297249.6666667
n÷3 3222937.25
n÷5 2578349.8

Exponentiation

ny
n2 166197192279001
n3 2.1425724873656E+21
n4 2.7621506721423E+28
n5 3.560895316544E+35

Nth Root

y√n
2√n 3590.5081813025
3√n 234.47899666861
4√n 59.920849303915
5√n 26.4278825619

Divisors of 12891749

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 -12891748
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 12891749 can be divided by 8 positive divisors. The sum of these divisors (counting 12891749) is 1, the average is 0.125.

Base conversion 12891749

Base System Value
2 Binary 110001001011011001100101
3 Ternary 220020222011012
4 Quaternary 301023121211
5 Quinary 11300013444
6 Senary 1140152005
8 Octal 61133145
10 Decimal 12891749
12 Duodecimal 4398605
16 Hexadecimal c4b665
20 Vigesimal 40b979
36 Base36 7obc5

Cryptographic Hash Functions

md5 b9ab9561090a79c092ad33d68c531f1d
sha1 9f9cbf78133acae56ab31beda1afff4e1600f059
sha256 9511f0a974d9e9ec08afae8fd5650cc036eab309340fcdb7dd478e431d910761
sha512 9604b0f4e614c52e9b22757258d4dc0bfc8a066eae9464d2bcb27771fb85e9ff53ac23abbbf400de4af015e2338d196cd9b7922a592d62bb8d91d406bb0baec8
ripemd-160 01fe032649d61994ddcaa68b92d8f6e3873a8583

12891749 as geometric shapes

Circle

Radius = n
Diameter 25783498
Circumference 81001247.900647
Area 5.2212387831096E+14

Sphere

Radius = n
Volume 8.9747866481219E+21
Surface area 2.0884955132438E+15
Circumference 81001247.900647

Square

Length = n
Perimeter 51566996
Area 166197192279001
Diagonal 18231686.27851

Cube

Length = n
Surface area 997183153674006
Volume 2.1425724873656E+21
Space diagonal 22329164.266425

Equilateral Triangle

Length = n
Perimeter 38675247
Area 71965495275631
Altitude 11164582.133213

Triangular Pyramid

Length = n
Surface area 71965495275631
Volume 2.5250458916666E+20
Height 6077228.7595033