12721888 is an even 8-digits composite number following 12721887
and preceding 12721889 . In scientific notation, it is written as 1.2721888 × 10^7.
The sum of its digits is 37. It has a total of 7 prime factors and 24 positive divisors.
There are 6322560 positive integers (up to 12721888) that are relatively prime to 12721888.
12721888 has 24 divisors, whose sum is 25197480
The reverse of 12721888 is 88812721
Previous prime number is 179
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twelve million seven hundred twenty-one thousand eight hundred eighty-eight
Scientific notation
1.2721888 × 10^7
Engineering notation
1.2721888 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 179 × 2221
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
795118
Product of the distinct prime numbers
The prime factorization of 12721888 is 2 × 2 × 2 × 2 × 2 × 179 × 2221.
Since it has a total of 7 prime factors.
5 , 10 , 39 , 38 , 296 , 760 , 7301 , 6279 , 67331 , 45222 , 915840 , 670909 , 1971460 , 165127 , 34488794 , 45076747 , 842378272 , 545519223 , 4414252861 , 8776258828
n×2
25443776
n×3
38165664
n×4
50887552
n×5
63609440
n÷2
6360944
n÷3
4240629.3333333
n÷3
3180472
n÷5
2544377.6
n2
161846434284544
n3
2.0589922101673E+21
n4
2.6194268290621E+28
n5
3.3324054743523E+35
2 √n
3566.7755746612
3 √n
233.4446126808
4 √n
59.72248801466
5 √n
26.357870115616
1 , 2 , 4 , 8 , 16 , 32 , 179 , 358 , 716 , 1432 , 2221 , 2864 , 4442 , 5728 , 8884 , 17768 , 35536 , 71072 , 397559 , 795118 , 1590236 , 3180472 , 6360944 , 12721888
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12721887
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12721888 can be divided by 24 positive divisors.
The sum of these divisors (counting 12721888) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
110000100001111011100000
3
Ternary
212221100011001
4
Quaternary
300201323200
5
Quinary
11224100023
6
Senary
1132401344
8
Octal
60417340
10
Decimal
12721888
12
Duodecimal
4316254
16
Hexadecimal
c21ee0
20
Vigesimal
3ja4e8
36
Base36
7ko9s
md5
ae226df6adb92307b33ad2cfd93152f8
sha1
72ae3729e667ef008e02ddc0f650d9bd2f04b685
sha256
4bb23853eb60f4bde9fa9e55ebe7e2cafa955e99e5b8b3bd3ff91a33b84c7586
sha512
dd34e3db27efc8d666d806b7e504bcecc142cba205cec7af2892c58cddb13809f1c2bff0024a5c39c5a82b26f8c0781dd029628b39841bd1a468b05cbf050004
ripemd-160
6037d08b7793484d255c6cc90b1ec0ad6e71c8c7
Diameter
25443776
Circumference
79933979.761184
Area
5.0845556895803E+14
Volume
8.6246864016804E+21
Surface area
2.0338222758321E+15
Circumference
79933979.761184
Perimeter
50887552
Area
161846434284544
Diagonal
17991466.548592
Surface area
971078605707264
Volume
2.0589922101673E+21
Space diagonal
22034956.384201
Perimeter
38165664
Area
70081561801172
Altitude
11017478.1921
Surface area
70081561801172
Volume
2.426545590366E+20
Height
5997155.5161972