13127921 is an odd 8-digits composite number following 13127920
and preceding 13127922 . In scientific notation, it is written as 1.3127921 × 10^7.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 13086192 positive integers (up to 13127921) that are relatively prime to 13127921.
13127921 has 4 divisors, whose sum is 13169652
The reverse of 13127921 is 12972131
Previous prime number is 317
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
thirteen million one hundred twenty-seven thousand nine hundred twenty-one
Scientific notation
1.3127921 × 10^7
Engineering notation
1.3127921 × 10^6
Prime Factorization
317 × 41413
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
13127921
Product of the distinct prime numbers
The prime factorization of 13127921 is 317 × 41413.
Since it has a total of 2 prime factors.
1 , 4 , 38 , 78 , 447 , 425 , 573 , 759 , 72412 , 39710 , 164856 , 431276 , 9626461 , 4904273 , 20965300 , 47025583 , 599354521 , 194250424 , 7966017932 , 7461419510
n×2
26255842
n×3
39383763
n×4
52511684
n×5
65639605
n÷2
6563960.5
n÷3
4375973.6666667
n÷3
3281980.25
n÷5
2625584.2
n2
172342309782241
n3
2.2624962277788E+21
n4
2.9701871741078E+28
n5
3.89923825769E+35
2 √n
3623.2473004199
3 √n
235.90219661831
4 √n
60.193415756376
5 √n
26.524010485092
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
-13127920
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 13127921 can be divided by 4 positive divisors.
The sum of these divisors (counting 13127921) is 1, the average is 0.25.
Base
System
Value
2
Binary
110010000101000011110001
3
Ternary
220200222010022
4
Quaternary
302011003301
5
Quinary
11330043141
6
Senary
1145213225
8
Octal
62050361
10
Decimal
13127921
12
Duodecimal
4491215
16
Hexadecimal
c850f1
20
Vigesimal
420jg1
36
Base36
7tdkh
md5
8b04af39c827950a88148e481da8a7e3
sha1
f36bf03766f69c1f9658e4c14548d206e9a47988
sha256
1a785df0721fdef845e98ddf3b4b35f424da678db30a7b2aa671f6f6469a0bd8
sha512
be592365638a8032f2291f4e9ff62463ee3bfd249ae89a72c678a2a80e7f8e91e5cfbf045fd537d83cb60fa8569f2e6efa69f7b90ae31048bea491255bad821c
ripemd-160
21f92f4bd76cfe7a7f692c77151a2eec613e5a20
Diameter
26255842
Circumference
82485160.341014
Area
5.4142933431458E+14
Volume
9.4771220372859E+21
Surface area
2.1657173372583E+15
Circumference
82485160.341014
Perimeter
52511684
Area
172342309782241
Diagonal
18565683.923963
Surface area
1034053858693446
Volume
2.2624962277788E+21
Space diagonal
22738226.16975
Perimeter
39383763
Area
74626409209154
Altitude
11369113.084875
Surface area
74626409209154
Volume
2.6663773751189E+20
Height
6188561.3079875