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.
12891749 has 8 divisors, whose sum is 13923672
The reverse of 12891749 is 94719821
Previous prime number is 401
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
twelve million eight hundred ninety-one thousand seven hundred forty-nine
Scientific notation
1.2891749 × 10^7
Engineering notation
1.2891749 × 10^6
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.
4 , 3 , 100 , 83 , 861 , 254 , 9213 , 2270 , 28048 , 71922 , 544008 , 367372 , 7068863 , 4309846 , 11025091 , 7520565 , 272143004 , 947272025 , 8139635003 , 8986960352
n×2
25783498
n×3
38675247
n×4
51566996
n×5
64458745
n÷2
6445874.5
n÷3
4297249.6666667
n÷3
3222937.25
n÷5
2578349.8
n2
166197192279001
n3
2.1425724873656E+21
n4
2.7621506721423E+28
n5
3.560895316544E+35
2 √n
3590.5081813025
3 √n
234.47899666861
4 √n
59.920849303915
5 √n
26.4278825619
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
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
md5
b9ab9561090a79c092ad33d68c531f1d
sha1
9f9cbf78133acae56ab31beda1afff4e1600f059
sha256
9511f0a974d9e9ec08afae8fd5650cc036eab309340fcdb7dd478e431d910761
sha512
9604b0f4e614c52e9b22757258d4dc0bfc8a066eae9464d2bcb27771fb85e9ff53ac23abbbf400de4af015e2338d196cd9b7922a592d62bb8d91d406bb0baec8
ripemd-160
01fe032649d61994ddcaa68b92d8f6e3873a8583
Diameter
25783498
Circumference
81001247.900647
Area
5.2212387831096E+14
Volume
8.9747866481219E+21
Surface area
2.0884955132438E+15
Circumference
81001247.900647
Perimeter
51566996
Area
166197192279001
Diagonal
18231686.27851
Surface area
997183153674006
Volume
2.1425724873656E+21
Space diagonal
22329164.266425
Perimeter
38675247
Area
71965495275631
Altitude
11164582.133213
Surface area
71965495275631
Volume
2.5250458916666E+20
Height
6077228.7595033