20121442 is an even 8-digits composite number following 20121441
and preceding 20121443 . In scientific notation, it is written as 2.0121442 × 10^7.
The sum of its digits is 16. It has a total of 3 prime factors and 8 positive divisors.
There are 9146100 positive integers (up to 20121442) that are relatively prime to 20121442.
20121442 has 8 divisors, whose sum is 32926032
The reverse of 20121442 is 24412102
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 16
Digital Root 7
Name
twenty million one hundred twenty-one thousand four hundred forty-two
Scientific notation
2.0121442 × 10^7
Engineering notation
2.0121442 × 10^6
Prime Factorization
2 × 11 × 914611
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20121442
Product of the distinct prime numbers
The prime factorization of 20121442 is 2 × 11 × 914611.
Since it has a total of 3 prime factors.
5 , 1 , 71 , 70 , 208 , 700 , 7687 , 5736 , 96418 , 68419 , 547342 , 69624 , 946829 , 9267298 , 28013858 , 1625659 , 216941513 , 554608971 , 763274678 , 1896588227
n×2
40242884
n×3
60364326
n×4
80485768
n×5
100607210
n÷2
10060721
n÷3
6707147.3333333
n÷3
5030360.5
n÷5
4024288.4
n2
404872428159364
n3
8.1466170806078E+21
n4
1.6392168308366E+29
n5
3.2983406387102E+36
2 √n
4485.6930345265
3 √n
271.99006055087
4 √n
66.975316606393
5 √n
28.888954190628
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
-20121441
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 20121442 can be divided by 8 positive divisors.
The sum of these divisors (counting 20121442) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110000011101100010
3
Ternary
1101212021102121
4
Quaternary
1030300131202
5
Quinary
20122341232
6
Senary
1555134454
8
Octal
114603542
10
Decimal
20121442
12
Duodecimal
68a442a
16
Hexadecimal
1330762
20
Vigesimal
65f3c2
36
Base36
bz9sy
md5
ead721d9ec5390cd4dcc7d36e9d9f989
sha1
0c60dde736a50a9eb8e7423ccc84471e6e3fc53d
sha256
0531a7d838c78ec5430a7522ce028c95d8262bb83f75409b845b691fe4348332
sha512
5af163e68773c3cd70d3040e47ce8c39de511920da5cb398efe0e3a98b5549381fd43da0f5bf176016f9d010da826d051c3249f62f4e0c67c8c7207538ae5aa4
ripemd-160
aeb8353b726c49e46ae938aa141b3ac676c20b5f
Diameter
40242884
Circumference
126426748.73367
Area
1.2719442459465E+15
Volume
3.4124469829395E+22
Surface area
5.0877769837861E+15
Circumference
126426748.73367
Perimeter
80485768
Area
404872428159364
Diagonal
28456016.170904
Surface area
2429234568956184
Volume
8.1466170806078E+21
Space diagonal
34851359.86555
Perimeter
60364326
Area
1.7531490403895E+14
Altitude
17425679.932775
Surface area
1.7531490403895E+14
Volume
9.6008803023799E+20
Height
9485338.7236345