20121742 is an even 8-digits composite number following 20121741
and preceding 20121743 . In scientific notation, it is written as 2.0121742 × 10^7.
The sum of its digits is 19. It has a total of 3 prime factors and 8 positive divisors.
There are 10054512 positive integers (up to 20121742) that are relatively prime to 20121742.
20121742 has 8 divisors, whose sum is 30201696
The reverse of 20121742 is 24712102
Previous prime number is 2953
Is Prime? no
Number parity even
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty million one hundred twenty-one thousand seven hundred forty-two
Scientific notation
2.0121742 × 10^7
Engineering notation
2.0121742 × 10^6
Prime Factorization
2 × 2953 × 3407
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20121742
Product of the distinct prime numbers
The prime factorization of 20121742 is 2 × 2953 × 3407.
Since it has a total of 3 prime factors.
10 , 6 , 27 , 20 , 263 , 841 , 4033 , 5457 , 88396 , 22357 , 668396 , 175091 , 3408001 , 8090821 , 47733427 , 34679387 , 113291458 , 97336109 , 8139731642 , 2675289506
n×2
40243484
n×3
60365226
n×4
80486968
n×5
100608710
n÷2
10060871
n÷3
6707247.3333333
n÷3
5030435.5
n÷5
4024348.4
n2
404884501114564
n3
8.146981471226E+21
n4
1.6393145924279E+29
n5
3.2985865285669E+36
2 √n
4485.7264740508
3 √n
271.99141228654
4 √n
66.975566246586
5 √n
28.889040333903
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
-20121741
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 20121742 can be divided by 8 positive divisors.
The sum of these divisors (counting 20121742) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110000100010001110
3
Ternary
1101212021211201
4
Quaternary
1030300202032
5
Quinary
20122343432
6
Senary
1555140114
8
Octal
114604216
10
Decimal
20121742
12
Duodecimal
68a463a
16
Hexadecimal
133088e
20
Vigesimal
65f472
36
Base36
bza1a
md5
e66140b0d004cd70b1d3c65bbfc0112e
sha1
1199bee7c5bf91fe512b7f403a89d0369f963761
sha256
31f9e2e9f69313b51a8c57eb4659db41c4f4318989d47210a35cdac794e27b0f
sha512
dc14c6e8fa97c86cbab709e2680c8c3350f5c29e9e4ac8bbff8185bb96100064cd7409dd5e936a62360d5381aa767b51a755c69fa4f0674e764f663a0f64be05
ripemd-160
f302e2bef8908365b27506351722949865020198
Diameter
40243484
Circumference
126428633.68926
Area
1.2719821742539E+15
Volume
3.4125996185248E+22
Surface area
5.0879286970155E+15
Circumference
126428633.68926
Perimeter
80486968
Area
404884501114564
Diagonal
28456440.434972
Surface area
2429307006687384
Volume
8.146981471226E+21
Space diagonal
34851879.480793
Perimeter
60365226
Area
1.753201317819E+14
Altitude
17425939.740396
Surface area
1.753201317819E+14
Volume
9.6013097408417E+20
Height
9485480.1449908