12721893 is an odd 8-digits composite number following 12721892
and preceding 12721894 . In scientific notation, it is written as 1.2721893 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 8282736 positive integers (up to 12721893) that are relatively prime to 12721893.
12721893 has 16 divisors, whose sum is 17364480
The reverse of 12721893 is 39812721
Previous prime number is 67
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twelve million seven hundred twenty-one thousand eight hundred ninety-three
Scientific notation
1.2721893 × 10^7
Engineering notation
1.2721893 × 10^6
Prime Factorization
3 × 379 × 67 × 167
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12721893
Product of the distinct prime numbers
The prime factorization of 12721893 is 3 × 379 × 67 × 167.
Since it has a total of 4 prime factors.
1 , 3 , 42 , 12 , 636 , 397 , 2643 , 2510 , 78637 , 84178 , 120491 , 612776 , 5130051 , 2395792 , 50807928 , 29214700 , 279747035 , 184605612 , 3249416395 , 6358706379
n×2
25443786
n×3
38165679
n×4
50887572
n×5
63609465
n÷2
6360946.5
n÷3
4240631
n÷3
3180473.25
n÷5
2544378.6
n2
161846561503449
n3
2.0589946378648E+21
n4
2.619430947049E+28
n5
3.3324120229246E+35
2 √n
3566.7762755743
3 √n
233.44464326386
4 √n
59.722493882744
5 √n
26.357872187467
1 , 3 , 67 , 167 , 201 , 379 , 501 , 1137 , 11189 , 25393 , 33567 , 63293 , 76179 , 189879 , 4240631 , 12721893
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
-12721892
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 12721893 can be divided by 16 positive divisors.
The sum of these divisors (counting 12721893) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110000100001111011100101
3
Ternary
212221100011020
4
Quaternary
300201323211
5
Quinary
11224100033
6
Senary
1132401353
8
Octal
60417345
10
Decimal
12721893
12
Duodecimal
4316259
16
Hexadecimal
c21ee5
20
Vigesimal
3ja4ed
36
Base36
7ko9x
md5
802be4605b6667b7322967e3361f27d9
sha1
968026c030679715990d5695da49a6c2b7e98cb4
sha256
c0882945ae1463c4783b79986b79355840ed2317e7d3fa999dae5a976723d8ae
sha512
ba5ed62522b2a4f9970b4cca6efcc41a72044c6177986f12e2b0f06ea66eb1353dca58abc77f7d2154fdbc591787564be81a1eb56e90c48720fa5ac9c2c7024d
ripemd-160
31549a2cb28bc8eb1054e665b40962dc85cf5c32
Diameter
25443786
Circumference
79934011.177111
Area
5.08455968628E+14
Volume
8.6246965707958E+21
Surface area
2.033823874512E+15
Circumference
79934011.177111
Perimeter
50887572
Area
161846561503449
Diagonal
17991473.619659
Surface area
971079369020694
Volume
2.0589946378648E+21
Space diagonal
22034965.044455
Perimeter
38165679
Area
70081616888574
Altitude
11017482.522227
Surface area
70081616888574
Volume
2.4265484514349E+20
Height
5997157.8732198