20842906 is an even 8-digits composite number following 20842905
and preceding 20842907 . In scientific notation, it is written as 2.0842906 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 8866656 positive integers (up to 20842906) that are relatively prime to 20842906.
20842906 has 16 divisors, whose sum is 35994816
The reverse of 20842906 is 60924802
Previous prime number is 137
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million eight hundred forty-two thousand nine hundred six
Scientific notation
2.0842906 × 10^7
Engineering notation
2.0842906 × 10^6
Prime Factorization
2 × 7 × 137 × 10867
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20842906
Product of the distinct prime numbers
The prime factorization of 20842906 is 2 × 7 × 137 × 10867.
Since it has a total of 4 prime factors.
10 , 10 , 88 , 27 , 439 , 977 , 6940 , 701 , 75886 , 45088 , 346596 , 834530 , 9640105 , 89137 , 37205525 , 37114626 , 311262245 , 41610057 , 7836746449 , 4812179752
n×2
41685812
n×3
62528718
n×4
83371624
n×5
104214530
n÷2
10421453
n÷3
6947635.3333333
n÷3
5210726.5
n÷5
4168581.2
n2
434426730524836
n3
9.0547155082165E+21
n4
1.887265841945E+29
n5
3.933610454067E+36
2 √n
4565.4031585392
3 √n
275.20274195314
4 √n
67.567767156679
5 √n
29.093210817042
1 , 2 , 7 , 14 , 137 , 274 , 959 , 1918 , 10867 , 21734 , 76069 , 152138 , 1488779 , 2977558 , 10421453 , 20842906
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
-20842905
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 20842906 can be divided by 16 positive divisors.
The sum of these divisors (counting 20842906) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111100000100110011010
3
Ternary
1110012221002111
4
Quaternary
1033200212122
5
Quinary
20313433111
6
Senary
2022422534
8
Octal
117404632
10
Decimal
20842906
12
Duodecimal
6b91a4a
16
Hexadecimal
13e099a
20
Vigesimal
6a5756
36
Base36
ceqhm
md5
a7d63cc27f1d34ffb8f316ce56dab172
sha1
388e4b4e1d5b7b15a0c70d04a3992eacf8643080
sha256
cf12483cd9d9a38955598759a678154f3fcb5c6d2b6d1bacee967acc08332ec0
sha512
301a638c44bbe0fe57e9f0dbf7b918e4594f1c1bb1a44b36717b076827ab2f05f70fb756a9fd22c8775af1c1c547760da43c0859777ef5c2d1b6ba1de0f721fb
ripemd-160
2c1721281d7b06e4c42e0230a6f4eb499237cb92
Diameter
41685812
Circumference
130959840.73813
Area
1.3647918251399E+15
Volume
3.7928303627945E+22
Surface area
5.4591673005594E+15
Circumference
130959840.73813
Perimeter
83371624
Area
434426730524836
Diagonal
29476320.344468
Surface area
2606560383149016
Volume
9.0547155082165E+21
Space diagonal
36100972.169382
Perimeter
62528718
Area
1.8811229235876E+14
Altitude
18050486.084691
Surface area
1.8811229235876E+14
Volume
1.0671084562625E+21
Height
9825440.1148225