20407842 is an even 8-digits composite number following 20407841
and preceding 20407843 . In scientific notation, it is written as 2.0407842 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 5380992 positive integers (up to 20407842) that are relatively prime to 20407842.
20407842 has 16 divisors, whose sum is 33148920
The reverse of 20407842 is 24870402
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million four hundred seven thousand eight hundred forty-two
Scientific notation
2.0407842 × 10^7
Engineering notation
2.0407842 × 10^6
Prime Factorization
2 × 189 × 13 × 4153
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20407842
Product of the distinct prime numbers
The prime factorization of 20407842 is 2 × 189 × 13 × 4153.
Since it has a total of 4 prime factors.
1 , 10 , 78 , 8 , 407 , 161 , 1827 , 9415 , 84596 , 1158 , 640367 , 77554 , 523471 , 9613661 , 92443761 , 72996879 , 682620032 , 871955244 , 9078814412 , 7075690512
n×2
40815684
n×3
61223526
n×4
81631368
n×5
102039210
n÷2
10203921
n÷3
6802614
n÷3
5101960.5
n÷5
4081568.4
n2
416480015096964
n3
8.4994583442565E+21
n4
1.7345560297517E+29
n5
3.5398545395319E+36
2 √n
4517.5039568328
3 √n
273.27444927602
4 √n
67.21237949093
5 √n
28.970728534006
1 , 2 , 13 , 26 , 189 , 378 , 2457 , 4153 , 4914 , 8306 , 53989 , 107978 , 784917 , 1569834 , 10203921 , 20407842
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
-20407841
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 20407842 can be divided by 16 positive divisors.
The sum of these divisors (counting 20407842) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101110110011000100010
3
Ternary
1102101211022000
4
Quaternary
1031312120202
5
Quinary
20211022332
6
Senary
2005224430
8
Octal
115663042
10
Decimal
20407842
12
Duodecimal
6a02116
16
Hexadecimal
1376622
20
Vigesimal
67ajc2
36
Base36
c5esi
md5
26a7ffb459c189a1b04b5b6536458982
sha1
ec28571a0c4bc7bddc03fd0c0b3e6098f6e1d7c0
sha256
5bea3c3de514facef2ec4f79f3ee234744b64af87e58e03e54695fe9bbcc6229
sha512
a8a4cec302b9d052b436f0037ea0f380f4f62c4a524ecd287cbcf3dda7c89d54e9bc92364d3eb7c769ca0b84849a9657935430f095035b0c357f772c78c7f0cf
ripemd-160
7be01eb8135a8f8df604545ec9ad6997995f833f
Diameter
40815684
Circumference
128226253.00564
Area
1.3084105557956E+15
Volume
3.5602447858411E+22
Surface area
5.2336422231824E+15
Circumference
128226253.00564
Perimeter
81631368
Area
416480015096964
Diagonal
28861046.935167
Surface area
2498880090581784
Volume
8.4994583442565E+21
Space diagonal
35347419.216838
Perimeter
61223526
Area
1.8034113662125E+14
Altitude
17673709.608419
Surface area
1.8034113662125E+14
Volume
1.0016707719394E+21
Height
9620348.9783891