20129812 is an even 8-digits composite number following 20129811
and preceding 20129813 . In scientific notation, it is written as 2.0129812 × 10^7.
The sum of its digits is 25. It has a total of 3 prime factors and 6 positive divisors.
There are 10064904 positive integers (up to 20129812) that are relatively prime to 20129812.
20129812 has 6 divisors, whose sum is 35227178
The reverse of 20129812 is 21892102
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million one hundred twenty-nine thousand eight hundred twelve
Scientific notation
2.0129812 × 10^7
Engineering notation
2.0129812 × 10^6
Prime Factorization
2 × 2 × 5032453
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
10064906
Product of the distinct prime numbers
The prime factorization of 20129812 is 2 × 2 × 5032453.
Since it has a total of 3 prime factors.
10 , 5 , 91 , 84 , 651 , 623 , 8187 , 9023 , 17452 , 6017 , 595479 , 493846 , 1206079 , 1263819 , 75952697 , 32814878 , 233795787 , 821700303 , 4321360976 , 6161267861
n×2
40259624
n×3
60389436
n×4
80519248
n×5
100649060
n÷2
10064906
n÷3
6709937.3333333
n÷3
5032453
n÷5
4025962.4
n2
405209331155344
n3
8.1567876568028E+21
n4
1.6419460205536E+29
n5
3.3052064707892E+36
2 √n
4486.6259037277
3 √n
272.0277689354
4 √n
66.982280520505
5 √n
28.891357202534
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20129811
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20129812 can be divided by 6 positive divisors.
The sum of these divisors (counting 20129812) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1001100110010100000010100
3
Ternary
1101212200220121
4
Quaternary
1030302200110
5
Quinary
20123123222
6
Senary
1555241324
8
Octal
114624024
10
Decimal
20129812
12
Duodecimal
68a9244
16
Hexadecimal
1332814
20
Vigesimal
65g4ac
36
Base36
bzg9g
md5
a0806be0553eb095a4711c1665231e68
sha1
6ab1e003b44b9ce5aafcf42f6358fca3f93ee054
sha256
6931d14d7344437164b4fbe82872f21220a00deceb8f869d6b8d0438d1430f9d
sha512
32ac6907a2eb1abc88750283fc4f7a69c6705555daaee88f11f466af3fd97af1050e841feb9cf150fbcdd45320b5476dd8765cccf4189ab39f2c42097a59049e
ripemd-160
53c24e856eb52de1830988d5868fd690892d0990
Diameter
40259624
Circumference
126479338.99469
Area
1.2730026579237E+15
Volume
3.4167072239338E+22
Surface area
5.0920106316946E+15
Circumference
126479338.99469
Perimeter
80519248
Area
405209331155344
Diagonal
28467853.138421
Surface area
2431255986932064
Volume
8.1567876568028E+21
Space diagonal
34865857.13081
Perimeter
60389436
Area
1.7546078731551E+14
Altitude
17432928.565405
Surface area
1.7546078731551E+14
Volume
9.6128664413733E+20
Height
9489284.3794736